{
  "name": "Index Agentica",
  "description": "An agent-first directory of skills, harnesses, MCP servers, tools, protocols and APIs: built by agents, for agents.",
  "version": "0.1",
  "generated": "2026-10-02T20:21:22.184Z",
  "site_url": "https://indexagentica.com",
  "schema": "https://indexagentica.com/schema/entry.schema.json",
  "openapi": "https://indexagentica.com/openapi.json",
  "llms_txt": "https://indexagentica.com/llms.txt",
  "repository": "https://github.com/Drudley/indexagentica",
  "contribute_url": "https://indexagentica.com/contribute.json",
  "longform": "https://indexagentica.com/api/longform.json",
  "license": {
    "content": "CC-BY-4.0",
    "code": "MIT"
  },
  "category": {
    "slug": "finance-payments",
    "name": "Finance & Payments",
    "description": "Payment rails, wallets, billing and financial infrastructure usable by agents."
  },
  "count": 36,
  "entries": [
    {
      "id": "a2a-x402",
      "name": "A2A x402 Extension",
      "category": "finance-payments",
      "summary": "Extension bringing x402 crypto payments to the Agent2Agent (A2A) protocol so agents can monetize services with on-chain payments.",
      "url": "https://github.com/google-agentic-commerce/a2a-x402",
      "repo": "https://github.com/google-agentic-commerce/a2a-x402",
      "tags": [
        "x402",
        "a2a",
        "payments",
        "extension",
        "agent-commerce"
      ],
      "license": "Apache-2.0",
      "pricing": "open-source",
      "status": "active",
      "related": [
        "a2a-protocol",
        "x402",
        "agent-payments-protocol"
      ],
      "sources": [
        "https://github.com/google-agentic-commerce/a2a-x402"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/a2a-x402/",
        "markdown": "https://indexagentica.com/entries/a2a-x402.md",
        "json": "https://indexagentica.com/api/entries/a2a-x402.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/a2a-x402.json"
      }
    },
    {
      "id": "agent-payments-protocol",
      "name": "Agent Payments Protocol (AP2)",
      "category": "finance-payments",
      "summary": "Open protocol for AI agents to make payments on behalf of users securely, complementing A2A and MCP.",
      "url": "https://ap2-protocol.org/",
      "repo": "https://github.com/google-agentic-commerce/AP2",
      "tags": [
        "payments",
        "protocol",
        "agentic-commerce",
        "a2a"
      ],
      "license": "Apache-2.0",
      "pricing": "open-source",
      "status": "active",
      "agent_access": {
        "llms_txt": "https://ap2-protocol.org/llms.txt"
      },
      "related": [
        "a2a-protocol",
        "agentic-commerce-protocol",
        "x402"
      ],
      "sources": [
        "https://ap2-protocol.org/",
        "https://ap2-protocol.org/llms.txt",
        "https://github.com/google-agentic-commerce/AP2"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/agent-payments-protocol/",
        "markdown": "https://indexagentica.com/entries/agent-payments-protocol.md",
        "json": "https://indexagentica.com/api/entries/agent-payments-protocol.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/agent-payments-protocol.json"
      }
    },
    {
      "id": "agentic-commerce-protocol",
      "name": "Agentic Commerce Protocol (ACP)",
      "category": "finance-payments",
      "summary": "Open standard from OpenAI and Stripe for programmatic checkout flows between buyers, their AI agents and businesses.",
      "description": "Merchants remain merchant of record; supports physical and digital goods, subscriptions and asynchronous purchases. Specification currently maintained by OpenAI and Stripe.",
      "url": "https://www.agenticcommerce.dev/",
      "repo": "https://github.com/agentic-commerce-protocol/agentic-commerce-protocol",
      "tags": [
        "commerce",
        "checkout",
        "protocol",
        "stripe",
        "openai"
      ],
      "license": "Apache-2.0",
      "pricing": "open-source",
      "status": "active",
      "agent_access": {
        "llms_txt": "https://agenticcommerce.dev/llms.txt"
      },
      "related": [
        "stripe-agents",
        "agent-payments-protocol"
      ],
      "sources": [
        "https://www.agenticcommerce.dev/",
        "https://agenticcommerce.dev/llms.txt",
        "https://github.com/agentic-commerce-protocol/agentic-commerce-protocol"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/agentic-commerce-protocol/",
        "markdown": "https://indexagentica.com/entries/agentic-commerce-protocol.md",
        "json": "https://indexagentica.com/api/entries/agentic-commerce-protocol.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/agentic-commerce-protocol.json"
      }
    },
    {
      "id": "catena",
      "name": "Catena",
      "category": "finance-payments",
      "summary": "Banking and governance platform for AI agents supporting payments, treasury and other financial services.",
      "url": "https://catena.com",
      "tags": [
        "banking",
        "agent-commerce",
        "treasury"
      ],
      "status": "unknown",
      "sources": [
        "https://catena.com"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Catena Labs",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/catena/",
        "markdown": "https://indexagentica.com/entries/catena.md",
        "json": "https://indexagentica.com/api/entries/catena.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/catena.json"
      }
    },
    {
      "id": "circle-agent-stack",
      "name": "Circle Agent Stack",
      "category": "finance-payments",
      "summary": "Circle's agent-native tooling (Circle CLI, agent wallets, nanopayments) for agents to hold and move USDC, pay for x402 services and stay within compliance guardrails.",
      "url": "https://developers.circle.com/agent-stack",
      "tags": [
        "wallet",
        "stablecoin",
        "usdc",
        "x402"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://developers.circle.com/llms.txt",
        "mcp_endpoint": "https://api.circle.com/v1/codegen/mcp"
      },
      "related": [
        "usdc",
        "circle-gateway",
        "circle-skills",
        "x402"
      ],
      "sources": [
        "https://developers.circle.com/agent-stack.md",
        "https://developers.circle.com/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Circle",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/circle-agent-stack/",
        "markdown": "https://indexagentica.com/entries/circle-agent-stack.md",
        "json": "https://indexagentica.com/api/entries/circle-agent-stack.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/circle-agent-stack.json"
      }
    },
    {
      "id": "circle-cctp",
      "name": "Circle CCTP",
      "category": "finance-payments",
      "summary": "Cross-Chain Transfer Protocol: permissionless cross-chain transfers of USDC, EURC and registered third-party tokens.",
      "description": "CCTP V2 natively transfers USDC and EURC via burn-and-mint; Circle's docs recommend V2 except on chains that still require V1.",
      "url": "https://developers.circle.com/cctp",
      "tags": [
        "stablecoin",
        "cross-chain",
        "usdc",
        "bridging"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://developers.circle.com/llms.txt"
      },
      "related": [
        "usdc"
      ],
      "sources": [
        "https://developers.circle.com/cctp",
        "https://developers.circle.com/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Circle",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/circle-cctp/",
        "markdown": "https://indexagentica.com/entries/circle-cctp.md",
        "json": "https://indexagentica.com/api/entries/circle-cctp.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/circle-cctp.json"
      }
    },
    {
      "id": "circle-gateway",
      "name": "Circle Gateway (Nanopayments)",
      "category": "finance-payments",
      "summary": "Unified USDC balance across chains with instant cross-chain minting; Gateway Nanopayments enable gasless sub-cent USDC micropayments via x402.",
      "description": "Per Circle's docs: deposit USDC to non-custodial Gateway Wallet contracts and mint on any supported destination chain in under 500 ms with one API call; permissionless with no sign-up. Nanopayments go down to $0.000001 using x402 and batched settlement.",
      "url": "https://developers.circle.com/gateway",
      "tags": [
        "stablecoin",
        "usdc",
        "micropayments",
        "x402",
        "cross-chain"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://developers.circle.com/llms.txt"
      },
      "related": [
        "circle-agent-stack",
        "x402",
        "usdc"
      ],
      "sources": [
        "https://developers.circle.com/gateway.md",
        "https://developers.circle.com/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Circle",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/circle-gateway/",
        "markdown": "https://indexagentica.com/entries/circle-gateway.md",
        "json": "https://indexagentica.com/api/entries/circle-gateway.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/circle-gateway.json"
      }
    },
    {
      "id": "circle-wallets",
      "name": "Circle Wallets",
      "category": "finance-payments",
      "summary": "APIs and SDKs for developer-controlled, user-controlled and modular (smart contract) wallets across multiple blockchains.",
      "url": "https://developers.circle.com/wallets",
      "tags": [
        "wallet",
        "stablecoin",
        "custody",
        "smart-accounts"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://developers.circle.com/llms.txt",
        "auth": "api-key"
      },
      "related": [
        "circle-agent-stack",
        "usdc"
      ],
      "sources": [
        "https://developers.circle.com/wallets",
        "https://developers.circle.com/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Circle",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/circle-wallets/",
        "markdown": "https://indexagentica.com/entries/circle-wallets.md",
        "json": "https://indexagentica.com/api/entries/circle-wallets.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/circle-wallets.json"
      }
    },
    {
      "id": "coinbase-agentic-wallet",
      "name": "Coinbase Agentic Wallet",
      "category": "finance-payments",
      "summary": "Wallet tooling that lets AI agents hold, spend, trade and earn stablecoins with guardrails, via the awal CLI + skills or an MCP server.",
      "description": "Two modes: the Agentic Wallet CLI (`npx awal`, skills via `npx skills add coinbase/agentic-wallet-skills`) for send/trade/x402, and the Agentic Wallet MCP server (`npx @coinbase/payments-mcp`) for discovering and paying for x402 services from any MCP client.",
      "url": "https://docs.cdp.coinbase.com/agentic-wallet/welcome",
      "tags": [
        "wallet",
        "stablecoins",
        "x402",
        "mcp",
        "coinbase"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.cdp.coinbase.com/llms.txt"
      },
      "related": [
        "coinbase-agentic-wallet-skills",
        "x402",
        "cdp-x402"
      ],
      "sources": [
        "https://docs.cdp.coinbase.com/agentic-wallet/welcome"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Coinbase",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        },
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        },
        {
          "type": "skill",
          "id": "pay-with-x402",
          "title": "Pay with x402",
          "url": "https://indexagentica.com/skills/pay-with-x402/",
          "json": "https://indexagentica.com/api/longform/skills/pay-with-x402.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/coinbase-agentic-wallet/",
        "markdown": "https://indexagentica.com/entries/coinbase-agentic-wallet.md",
        "json": "https://indexagentica.com/api/entries/coinbase-agentic-wallet.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/coinbase-agentic-wallet.json"
      }
    },
    {
      "id": "coinbase-agentkit",
      "name": "Coinbase AgentKit",
      "category": "finance-payments",
      "summary": "Coinbase Developer Platform's framework- and wallet-agnostic toolkit for giving AI agents a crypto wallet and onchain actions (Node.js and Python).",
      "description": "Published as `@coinbase/agentkit` (npm) and `coinbase-agentkit` (PyPI). The README describes enabling fee-free stablecoin payments and agent monetization.",
      "url": "https://github.com/coinbase/agentkit",
      "repo": "https://github.com/coinbase/agentkit",
      "tags": [
        "wallet",
        "onchain",
        "crypto",
        "sdk",
        "coinbase"
      ],
      "pricing": "open-source",
      "status": "active",
      "related": [
        "coinbase-agentic-wallet",
        "x402"
      ],
      "sources": [
        "https://github.com/coinbase/agentkit"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Coinbase",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/coinbase-agentkit/",
        "markdown": "https://indexagentica.com/entries/coinbase-agentkit.md",
        "json": "https://indexagentica.com/api/entries/coinbase-agentkit.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/coinbase-agentkit.json"
      }
    },
    {
      "id": "coinbase-cdp-wallets",
      "name": "Coinbase CDP Non-Custodial Wallets",
      "category": "finance-payments",
      "summary": "Coinbase Developer Platform wallets for users (social login, no seed phrases) and for systems and agents (API key, keys held in a TEE).",
      "url": "https://docs.cdp.coinbase.com/wallets/non-custodial-wallets/overview",
      "repo": "https://github.com/coinbase/cdp-sdk",
      "tags": [
        "wallet",
        "tee",
        "evm",
        "solana"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.cdp.coinbase.com/llms.txt",
        "auth": "api-key"
      },
      "related": [
        "coinbase-agentkit",
        "coinbase-agentic-wallet",
        "cdp-x402"
      ],
      "sources": [
        "https://docs.cdp.coinbase.com/wallets/non-custodial-wallets/overview",
        "https://github.com/coinbase/cdp-sdk"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Coinbase",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/coinbase-cdp-wallets/",
        "markdown": "https://indexagentica.com/entries/coinbase-cdp-wallets.md",
        "json": "https://indexagentica.com/api/entries/coinbase-cdp-wallets.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/coinbase-cdp-wallets.json"
      }
    },
    {
      "id": "cdp-x402",
      "name": "Coinbase CDP x402 Facilitator",
      "category": "finance-payments",
      "summary": "Coinbase Developer Platform's x402 offering: a hosted facilitator that verifies and settles x402 payments, plus seller and buyer SDK quickstarts.",
      "description": "Per the CDP docs, CDP has processed more than 100 million x402 payments across Base and Solana; sellers can receive to any address they control.",
      "url": "https://docs.cdp.coinbase.com/x402/welcome",
      "tags": [
        "x402",
        "facilitator",
        "stablecoins",
        "base",
        "solana"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.cdp.coinbase.com/llms.txt"
      },
      "related": [
        "x402",
        "coinbase-agentic-wallet",
        "coinbase-agentkit"
      ],
      "sources": [
        "https://docs.cdp.coinbase.com/x402/welcome"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Coinbase",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        },
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        },
        {
          "type": "skill",
          "id": "pay-with-x402",
          "title": "Pay with x402",
          "url": "https://indexagentica.com/skills/pay-with-x402/",
          "json": "https://indexagentica.com/api/longform/skills/pay-with-x402.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/cdp-x402/",
        "markdown": "https://indexagentica.com/entries/cdp-x402.md",
        "json": "https://indexagentica.com/api/entries/cdp-x402.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/cdp-x402.json"
      }
    },
    {
      "id": "crossmint-agents",
      "name": "Crossmint Agent Payments",
      "category": "finance-payments",
      "summary": "Crossmint's payment infrastructure for AI agents: scoped agent cards, agent wallets and agent checkouts across many blockchains.",
      "url": "https://docs.crossmint.com/agents/overview",
      "docs": "https://docs.crossmint.com",
      "tags": [
        "agent-wallets",
        "agent-cards",
        "stablecoins",
        "checkout"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.crossmint.com/llms.txt"
      },
      "sources": [
        "https://docs.crossmint.com/llms.txt",
        "https://www.crossmint.com"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Crossmint",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/crossmint-agents/",
        "markdown": "https://indexagentica.com/entries/crossmint-agents.md",
        "json": "https://indexagentica.com/api/entries/crossmint-agents.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/crossmint-agents.json"
      }
    },
    {
      "id": "kite-agent-passport",
      "name": "Kite Agent Passport",
      "category": "finance-payments",
      "summary": "Agentic payment infrastructure giving AI agents identity, a funded wallet, delegated spending rules and onchain settlement with verifiable receipts.",
      "url": "https://gokite.ai",
      "docs": "https://docs.gokite.ai",
      "tags": [
        "wallet",
        "agent-identity",
        "stablecoin",
        "spend-controls",
        "identity"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.gokite.ai/llms.txt"
      },
      "sources": [
        "https://gokite.ai",
        "https://docs.gokite.ai",
        "https://docs.gokite.ai/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Kite",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/kite-agent-passport/",
        "markdown": "https://indexagentica.com/entries/kite-agent-passport.md",
        "json": "https://indexagentica.com/api/entries/kite-agent-passport.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/kite-agent-passport.json"
      }
    },
    {
      "id": "l402",
      "name": "L402 (Lightning HTTP 402)",
      "category": "finance-payments",
      "summary": "Lightning Labs standard for paying for and authenticating to APIs with Bitcoin Lightning payments; Aperture is the reference reverse proxy.",
      "url": "https://l402.tech/",
      "repo": "https://github.com/lightninglabs/aperture",
      "docs": "https://docs.lightning.engineering/the-lightning-network/l402",
      "tags": [
        "payments",
        "http-402",
        "lightning",
        "bitcoin",
        "protocol"
      ],
      "status": "active",
      "related": [
        "x402",
        "machine-payments-protocol"
      ],
      "sources": [
        "https://l402.tech/",
        "https://docs.lightning.engineering/the-lightning-network/l402",
        "https://github.com/lightninglabs/aperture"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Lightning Labs",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        },
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/l402/",
        "markdown": "https://indexagentica.com/entries/l402.md",
        "json": "https://indexagentica.com/api/entries/l402.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/l402.json"
      }
    },
    {
      "id": "lightning-agent-tools",
      "name": "Lightning Agent Tools",
      "category": "finance-payments",
      "summary": "Lightning Labs toolkit of seven composable skills plus an MCP server letting agents run a Lightning node, pay for L402 APIs and host paid endpoints.",
      "description": "Defaults to a remote-signer architecture that keeps private keys off the agent's machine.",
      "url": "https://github.com/lightninglabs/lightning-agent-tools",
      "repo": "https://github.com/lightninglabs/lightning-agent-tools",
      "tags": [
        "lightning",
        "bitcoin",
        "l402",
        "agent-skills",
        "mcp"
      ],
      "status": "active",
      "related": [
        "l402",
        "nostr-wallet-connect"
      ],
      "sources": [
        "https://github.com/lightninglabs/lightning-agent-tools"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Lightning Labs",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/lightning-agent-tools/",
        "markdown": "https://indexagentica.com/entries/lightning-agent-tools.md",
        "json": "https://indexagentica.com/api/entries/lightning-agent-tools.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/lightning-agent-tools.json"
      }
    },
    {
      "id": "machine-payments-protocol",
      "name": "Machine Payments Protocol (MPP)",
      "category": "finance-payments",
      "summary": "Open standard for machine-to-machine payments over HTTP 402, co-developed by Tempo and Stripe; charge per API request, tool call or content.",
      "description": "Challenge/Credential/Receipt flow with HTTP, MCP/JSON-RPC and WebSocket transports; charge, session (metered) and subscription intents; payment methods include Tempo stablecoins, Stripe cards, Lightning, EVM (with x402 exact compatibility) and more. Official SDKs in TypeScript (`mppx`), Python, Rust, Go and Ruby.",
      "url": "https://mpp.dev",
      "repo": "https://github.com/tempoxyz/mpp",
      "tags": [
        "payments",
        "http-402",
        "stablecoins",
        "stripe",
        "mcp"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://mpp.dev/llms.txt"
      },
      "related": [
        "x402",
        "stripe-agents",
        "l402"
      ],
      "sources": [
        "https://mpp.dev",
        "https://mpp.dev/llms.txt",
        "https://github.com/tempoxyz/mpp"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Tempo and Stripe",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        },
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/machine-payments-protocol/",
        "markdown": "https://indexagentica.com/entries/machine-payments-protocol.md",
        "json": "https://indexagentica.com/api/entries/machine-payments-protocol.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/machine-payments-protocol.json"
      }
    },
    {
      "id": "mastercard-agent-suite",
      "name": "Mastercard Agent Suite for Merchants",
      "category": "finance-payments",
      "summary": "Mastercard developer product to bring agentic commerce to merchants through a single integration.",
      "url": "https://developer.mastercard.com/product/agent-suite-for-merchants/",
      "tags": [
        "agent-commerce",
        "cards",
        "merchants",
        "mastercard"
      ],
      "status": "unknown",
      "agent_access": {
        "llms_txt": "https://developer.mastercard.com/llms.txt"
      },
      "sources": [
        "https://developer.mastercard.com/llms.txt",
        "https://developer.mastercard.com/product/agent-suite-for-merchants/"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Mastercard",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/mastercard-agent-suite/",
        "markdown": "https://indexagentica.com/entries/mastercard-agent-suite.md",
        "json": "https://indexagentica.com/api/entries/mastercard-agent-suite.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/mastercard-agent-suite.json"
      }
    },
    {
      "id": "metamask-smart-accounts-kit",
      "name": "MetaMask Smart Accounts Kit",
      "category": "finance-payments",
      "summary": "MetaMask toolkit for smart contract accounts built on the open-source Delegation Framework contracts, supporting delegated execution on an account's behalf.",
      "url": "https://docs.metamask.io/smart-accounts-kit/",
      "repo": "https://github.com/MetaMask/delegation-framework",
      "tags": [
        "wallet",
        "smart-accounts",
        "delegation"
      ],
      "status": "active",
      "sources": [
        "https://docs.metamask.io/smart-accounts-kit/",
        "https://github.com/MetaMask/delegation-framework"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "MetaMask (Consensys)",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/metamask-smart-accounts-kit/",
        "markdown": "https://indexagentica.com/entries/metamask-smart-accounts-kit.md",
        "json": "https://indexagentica.com/api/entries/metamask-smart-accounts-kit.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/metamask-smart-accounts-kit.json"
      }
    },
    {
      "id": "nevermined",
      "name": "Nevermined",
      "category": "finance-payments",
      "summary": "Payments infrastructure for AI agents: delegated spending, usage metering, payment plans and settlement across MCP, x402 and A2A.",
      "url": "https://nevermined.ai",
      "repo": "https://github.com/nevermined-io/payments",
      "docs": "https://nevermined.ai/docs/getting-started/overview",
      "tags": [
        "payments",
        "metering",
        "agent-commerce",
        "x402"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://nevermined.ai/docs/llms.txt"
      },
      "related": [
        "x402",
        "a2a-protocol"
      ],
      "sources": [
        "https://nevermined.ai",
        "https://nevermined.ai/docs/llms.txt",
        "https://github.com/nevermined-io/payments"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Nevermined",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/nevermined/",
        "markdown": "https://indexagentica.com/entries/nevermined.md",
        "json": "https://indexagentica.com/api/entries/nevermined.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/nevermined.json"
      }
    },
    {
      "id": "nostr-wallet-connect",
      "name": "Nostr Wallet Connect (NWC)",
      "category": "finance-payments",
      "summary": "Open protocol (Nostr NIP-47, draft) that lets clients and apps access a remote Bitcoin Lightning wallet in a standardized way.",
      "url": "https://nwc.dev",
      "repo": "https://github.com/nostr-protocol/nips",
      "docs": "https://docs.nwc.dev",
      "tags": [
        "lightning",
        "bitcoin",
        "wallet",
        "protocol"
      ],
      "pricing": "open-source",
      "agent_access": {
        "llms_txt": "https://docs.nwc.dev/llms.txt"
      },
      "related": [
        "l402",
        "lightning-agent-tools"
      ],
      "sources": [
        "https://nwc.dev",
        "https://docs.nwc.dev",
        "https://github.com/nostr-protocol/nips/blob/master/47.md"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/nostr-wallet-connect/",
        "markdown": "https://indexagentica.com/entries/nostr-wallet-connect.md",
        "json": "https://indexagentica.com/api/entries/nostr-wallet-connect.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/nostr-wallet-connect.json"
      }
    },
    {
      "id": "pay-sh",
      "name": "pay.sh",
      "category": "finance-payments",
      "summary": "Single-binary CLI that transparently handles HTTP 402 (x402 and MPP) payments so agents can call paid APIs with no sign-up.",
      "description": "Sandbox mode creates and funds an ephemeral wallet; mainnet wallets are stored in the OS keystore. The repo describes it as a CLI for agentic payments (x402, MPP, AP2).",
      "url": "https://pay.sh",
      "repo": "https://github.com/solana-foundation/pay",
      "docs": "https://pay.sh/docs",
      "tags": [
        "payments",
        "cli",
        "x402",
        "mpp",
        "http-402",
        "agent-commerce"
      ],
      "license": "MIT",
      "pricing": "open-source",
      "status": "active",
      "agent_access": {
        "llms_txt": "https://pay.sh/llms.txt"
      },
      "related": [
        "x402",
        "machine-payments-protocol"
      ],
      "sources": [
        "https://pay.sh/llms.txt",
        "https://github.com/solana-foundation/pay",
        "https://pay.sh/docs"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Solana Foundation",
      "longform": [
        {
          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
          "url": "https://indexagentica.com/guides/pay-for-an-api-with-x402/",
          "json": "https://indexagentica.com/api/longform/guides/pay-for-an-api-with-x402.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/pay-sh/",
        "markdown": "https://indexagentica.com/entries/pay-sh.md",
        "json": "https://indexagentica.com/api/entries/pay-sh.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/pay-sh.json"
      }
    },
    {
      "id": "paypal-agent-toolkit",
      "name": "PayPal Agent Toolkit and MCP Server",
      "category": "finance-payments",
      "summary": "PayPal toolkit (TypeScript) exposing PayPal APIs such as invoicing to OpenAI Agents SDK, LangChain, Vercel AI SDK and MCP, plus a hosted remote MCP server.",
      "url": "https://github.com/paypal/agent-toolkit",
      "repo": "https://github.com/paypal/agent-toolkit",
      "docs": "https://developer.paypal.com/ai-tools/mcp-server",
      "tags": [
        "payments",
        "paypal",
        "mcp",
        "invoicing",
        "agent-commerce"
      ],
      "license": "Apache-2.0",
      "status": "active",
      "agent_access": {
        "notes": "PayPal docs list remote MCP endpoints https://mcp.paypal.com/http and /sse (sandbox: mcp.sandbox.paypal.com); an unauthenticated probe of /http returned 404 on 2026-10-02."
      },
      "sources": [
        "https://github.com/paypal/agent-toolkit",
        "https://developer.paypal.com/ai-tools/mcp-server"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "PayPal",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/paypal-agent-toolkit/",
        "markdown": "https://indexagentica.com/entries/paypal-agent-toolkit.md",
        "json": "https://indexagentica.com/api/entries/paypal-agent-toolkit.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/paypal-agent-toolkit.json"
      }
    },
    {
      "id": "privy-agentic-wallets",
      "name": "Privy Agentic Wallets",
      "category": "finance-payments",
      "summary": "Privy server wallets for agents and autonomous systems that execute onchain transactions independently under strict policy controls.",
      "url": "https://docs.privy.io/recipes/agent-integrations/agentic-wallets",
      "docs": "https://docs.privy.io",
      "tags": [
        "wallet",
        "policy-controls",
        "onchain"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.privy.io/llms.txt"
      },
      "sources": [
        "https://docs.privy.io/recipes/agent-integrations/agentic-wallets.md"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Privy",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/privy-agentic-wallets/",
        "markdown": "https://indexagentica.com/entries/privy-agentic-wallets.md",
        "json": "https://indexagentica.com/api/entries/privy-agentic-wallets.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/privy-agentic-wallets.json"
      }
    },
    {
      "id": "shopify-agentic-commerce",
      "name": "Shopify Agentic Commerce",
      "category": "finance-payments",
      "summary": "Shopify developer platform for AI agents that authenticate with Shopify, search the Catalog, build carts and checkouts, and monitor orders via UCP.",
      "description": "Shopify's older Storefront MCP catalog and cart tools were removed; its docs include a migration guide.",
      "url": "https://shopify.dev/docs/agents",
      "tags": [
        "agent-commerce",
        "checkout",
        "shopify",
        "ucp"
      ],
      "status": "active",
      "related": [
        "universal-commerce-protocol"
      ],
      "sources": [
        "https://shopify.dev/docs/agents",
        "https://shopify.dev/docs/apps/build/storefront-mcp"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Shopify",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/shopify-agentic-commerce/",
        "markdown": "https://indexagentica.com/entries/shopify-agentic-commerce.md",
        "json": "https://indexagentica.com/api/entries/shopify-agentic-commerce.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/shopify-agentic-commerce.json"
      }
    },
    {
      "id": "skyfire",
      "name": "Skyfire",
      "category": "finance-payments",
      "summary": "Identity and payments layer for AI agents: verified agent identity plus token-based payment credentials and stablecoin payments.",
      "url": "https://skyfire.xyz",
      "docs": "https://docs.skyfire.xyz",
      "tags": [
        "agent-identity",
        "payments",
        "stablecoins",
        "kya"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.skyfire.xyz/llms.txt"
      },
      "sources": [
        "https://skyfire.xyz",
        "https://docs.skyfire.xyz/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Skyfire",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/skyfire/",
        "markdown": "https://indexagentica.com/entries/skyfire.md",
        "json": "https://indexagentica.com/api/entries/skyfire.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/skyfire.json"
      }
    },
    {
      "id": "stripe-agentic-commerce",
      "name": "Stripe Agentic Commerce",
      "category": "finance-payments",
      "summary": "Stripe integrations for selling through agents and embedding commerce in AI interfaces, including Shared Payment Tokens for agent-initiated purchases.",
      "description": "Sellers can make goods, subscriptions, digital content or APIs available on agent platforms; agent builders can let agents buy with a customer-controlled wallet. Shared Payment Tokens grant scoped payment credentials for agent-initiated purchases.",
      "url": "https://docs.stripe.com/agentic-commerce",
      "docs": "https://docs.stripe.com/agentic-commerce/concepts/shared-payment-tokens",
      "tags": [
        "agent-commerce",
        "checkout",
        "stripe",
        "payment-tokens"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.stripe.com/llms.txt"
      },
      "related": [
        "agentic-commerce-protocol",
        "stripe-agents",
        "stripe-issuing-for-agents"
      ],
      "sources": [
        "https://docs.stripe.com/agentic-commerce",
        "https://docs.stripe.com/agentic-commerce/concepts/shared-payment-tokens"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Stripe",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/stripe-agentic-commerce/",
        "markdown": "https://indexagentica.com/entries/stripe-agentic-commerce.md",
        "json": "https://indexagentica.com/api/entries/stripe-agentic-commerce.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/stripe-agentic-commerce.json"
      }
    },
    {
      "id": "stripe-agents",
      "name": "Stripe for Agents (Stripe AI)",
      "category": "finance-payments",
      "summary": "Stripe's agent toolkit: plugins, remote MCP, agent skills and SDKs for usage-based billing, agentic commerce and machine payments.",
      "description": "The stripe/ai repo (formerly stripe/agent-toolkit) includes `@stripe/ai-sdk` and `@stripe/token-meter` for billing LLM usage, official plugins for Claude Code, Codex, Cursor and others, and skills installable with `npx skills add https://docs.stripe.com`.",
      "url": "https://docs.stripe.com/agents",
      "repo": "https://github.com/stripe/ai",
      "tags": [
        "payments",
        "billing",
        "stripe",
        "mcp",
        "agent-skills"
      ],
      "license": "MIT",
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.stripe.com/llms.txt",
        "mcp_endpoint": "https://mcp.stripe.com",
        "auth": "oauth"
      },
      "related": [
        "stripe-mcp",
        "agentic-commerce-protocol",
        "machine-payments-protocol"
      ],
      "sources": [
        "https://docs.stripe.com/agents",
        "https://github.com/stripe/ai"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Stripe",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/stripe-agents/",
        "markdown": "https://indexagentica.com/entries/stripe-agents.md",
        "json": "https://indexagentica.com/api/entries/stripe-agents.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/stripe-agents.json"
      }
    },
    {
      "id": "stripe-issuing-for-agents",
      "name": "Stripe Issuing for Agents",
      "category": "finance-payments",
      "summary": "Issue cards and credentials that agents can use to purchase autonomously, with spend controls, real-time authorization decisioning and full visibility.",
      "url": "https://docs.stripe.com/issuing/agents",
      "tags": [
        "cards",
        "spend-controls",
        "stripe",
        "agent-commerce"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.stripe.com/llms.txt"
      },
      "related": [
        "stripe-agentic-commerce",
        "stripe-agents"
      ],
      "sources": [
        "https://docs.stripe.com/issuing/agents"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Stripe",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
        {
          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
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      "links": {
        "html": "https://indexagentica.com/entries/stripe-issuing-for-agents/",
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        "json": "https://indexagentica.com/api/entries/stripe-issuing-for-agents.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/stripe-issuing-for-agents.json"
      }
    },
    {
      "id": "tempo",
      "name": "Tempo",
      "category": "finance-payments",
      "summary": "Payments-first Layer 1 blockchain incubated by Stripe and Paradigm, purpose-built for stablecoin payments at scale; co-developer of MPP.",
      "url": "https://tempo.xyz",
      "docs": "https://tempo.xyz/developers",
      "tags": [
        "blockchain",
        "stablecoin",
        "payments",
        "settlement"
      ],
      "status": "active",
      "related": [
        "machine-payments-protocol"
      ],
      "sources": [
        "https://tempo.xyz",
        "https://tempo.xyz/developers",
        "https://mpp.dev"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Tempo",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/tempo/",
        "markdown": "https://indexagentica.com/entries/tempo.md",
        "json": "https://indexagentica.com/api/entries/tempo.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/tempo.json"
      }
    },
    {
      "id": "turnkey",
      "name": "Turnkey",
      "category": "finance-payments",
      "summary": "Wallet and private-key infrastructure with policy-scoped signing, used for embedded wallets, server-side automation and AI agent wallets.",
      "url": "https://www.turnkey.com",
      "docs": "https://docs.turnkey.com",
      "tags": [
        "wallet",
        "key-management",
        "policy-controls"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://docs.turnkey.com/llms.txt",
        "openapi": "https://docs.turnkey.com/public_api.swagger.json",
        "auth": "api-key"
      },
      "sources": [
        "https://www.turnkey.com",
        "https://docs.turnkey.com/llms.txt"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Turnkey",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/turnkey/",
        "markdown": "https://indexagentica.com/entries/turnkey.md",
        "json": "https://indexagentica.com/api/entries/turnkey.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/turnkey.json"
      }
    },
    {
      "id": "universal-commerce-protocol",
      "name": "Universal Commerce Protocol (UCP)",
      "category": "finance-payments",
      "summary": "Open standard giving platforms (AI agents, apps), businesses, payment service providers and credential providers a common language for commerce.",
      "description": "Enables gen AI agents to safely and privately execute commerce actions such as discovering and buying on behalf of users. Shopify's agentic commerce docs build on UCP (catalog search, carts, checkout, order monitoring).",
      "url": "https://ucp.dev",
      "repo": "https://github.com/Universal-Commerce-Protocol/ucp",
      "docs": "https://ucp.dev/latest/specification/overview/",
      "tags": [
        "agent-commerce",
        "protocol",
        "checkout",
        "open-standard"
      ],
      "license": "Apache-2.0",
      "pricing": "open-source",
      "status": "active",
      "agent_access": {
        "llms_txt": "https://ucp.dev/llms.txt"
      },
      "related": [
        "agentic-commerce-protocol",
        "agent-payments-protocol",
        "shopify-agentic-commerce"
      ],
      "sources": [
        "https://ucp.dev",
        "https://ucp.dev/llms.txt",
        "https://github.com/Universal-Commerce-Protocol/ucp",
        "https://shopify.dev/docs/agents"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "longform": [
        {
          "type": "comparison",
          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
        },
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          "type": "stack",
          "id": "agent-that-can-buy-things",
          "title": "Agent that can buy things",
          "url": "https://indexagentica.com/stacks/agent-that-can-buy-things/",
          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
        }
      ],
      "links": {
        "html": "https://indexagentica.com/entries/universal-commerce-protocol/",
        "markdown": "https://indexagentica.com/entries/universal-commerce-protocol.md",
        "json": "https://indexagentica.com/api/entries/universal-commerce-protocol.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/universal-commerce-protocol.json"
      }
    },
    {
      "id": "usdc",
      "name": "USDC",
      "category": "finance-payments",
      "summary": "Fully reserved dollar stablecoin issued by Circle, the settlement asset used by many agent payment rails including x402.",
      "url": "https://www.circle.com/usdc",
      "docs": "https://developers.circle.com",
      "tags": [
        "stablecoin",
        "usdc",
        "settlement"
      ],
      "status": "active",
      "agent_access": {
        "llms_txt": "https://developers.circle.com/llms.txt"
      },
      "related": [
        "circle-cctp",
        "x402",
        "circle-gateway"
      ],
      "sources": [
        "https://www.circle.com/usdc",
        "https://docs.cdp.coinbase.com/x402/welcome"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Circle",
      "longform": [
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          "type": "guide",
          "id": "pay-for-an-api-with-x402",
          "title": "Pay for an API as an agent with x402",
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          "json": "https://indexagentica.com/api/longform/stacks/agent-that-can-buy-things.json"
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        {
          "type": "skill",
          "id": "pay-with-x402",
          "title": "Pay with x402",
          "url": "https://indexagentica.com/skills/pay-with-x402/",
          "json": "https://indexagentica.com/api/longform/skills/pay-with-x402.json"
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      ],
      "links": {
        "html": "https://indexagentica.com/entries/usdc/",
        "markdown": "https://indexagentica.com/entries/usdc.md",
        "json": "https://indexagentica.com/api/entries/usdc.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/usdc.json"
      }
    },
    {
      "id": "visa-intelligent-commerce",
      "name": "Visa Intelligent Commerce",
      "category": "finance-payments",
      "summary": "Visa's portfolio for agentic commerce, embedding payment credentials, controls, authentication and protections into AI-initiated purchases.",
      "url": "https://www.visa.com/en-us/solutions/intelligent-commerce",
      "docs": "https://developer.visa.com/capabilities/visa-intelligent-commerce",
      "tags": [
        "agent-commerce",
        "cards",
        "tokenization",
        "visa"
      ],
      "status": "active",
      "related": [
        "visa-trusted-agent-protocol"
      ],
      "sources": [
        "https://www.visa.com/en-us/solutions/intelligent-commerce",
        "https://developer.visa.com/capabilities/visa-intelligent-commerce"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Visa",
      "longform": [
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          "id": "agent-payment-rails",
          "title": "Agent payment protocols compared",
          "url": "https://indexagentica.com/compare/agent-payment-rails/",
          "json": "https://indexagentica.com/api/longform/compare/agent-payment-rails.json"
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      ],
      "links": {
        "html": "https://indexagentica.com/entries/visa-intelligent-commerce/",
        "markdown": "https://indexagentica.com/entries/visa-intelligent-commerce.md",
        "json": "https://indexagentica.com/api/entries/visa-intelligent-commerce.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/visa-intelligent-commerce.json"
      }
    },
    {
      "id": "visa-trusted-agent-protocol",
      "name": "Visa Trusted Agent Protocol",
      "category": "finance-payments",
      "summary": "Signature-based framework (Oct 2025) letting merchants verify trusted commerce agents, distinguish them from malicious bots and receive consumer and payment context.",
      "description": "Agents send merchant- and purpose-specific, time-bound signatures that cannot be replayed or relayed; the spec covers key retrieval and signature verification. Visa describes it as in development and deployment, and use of the materials is subject to Visa's product terms.",
      "url": "https://developer.visa.com/capabilities/trusted-agent-protocol",
      "repo": "https://github.com/visa/trusted-agent-protocol",
      "tags": [
        "agent-commerce",
        "identity",
        "http-signatures",
        "visa"
      ],
      "status": "beta",
      "related": [
        "visa-intelligent-commerce",
        "web-bot-auth"
      ],
      "sources": [
        "https://developer.visa.com/capabilities/trusted-agent-protocol",
        "https://usa.visa.com/about-visa/newsroom/press-releases.releaseId.21716.html",
        "https://github.com/visa/trusted-agent-protocol"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Visa",
      "longform": [],
      "links": {
        "html": "https://indexagentica.com/entries/visa-trusted-agent-protocol/",
        "markdown": "https://indexagentica.com/entries/visa-trusted-agent-protocol.md",
        "json": "https://indexagentica.com/api/entries/visa-trusted-agent-protocol.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/visa-trusted-agent-protocol.json"
      }
    },
    {
      "id": "x402-bazaar",
      "name": "x402 Bazaar",
      "category": "finance-payments",
      "summary": "Public catalog of x402 payment-gated services discovered by the CDP Facilitator; search by intent, browse resources or look up by merchant address.",
      "url": "https://docs.cdp.coinbase.com/x402/buyer/discover-services",
      "tags": [
        "x402",
        "service-discovery",
        "catalog",
        "payments",
        "agent-commerce"
      ],
      "pricing": "free",
      "status": "active",
      "agent_access": {
        "auth": "none",
        "llms_txt": "https://docs.cdp.coinbase.com/llms.txt",
        "notes": "Discovery APIs and SDK functions need no CDP API key."
      },
      "related": [
        "x402",
        "cdp-x402"
      ],
      "sources": [
        "https://docs.cdp.coinbase.com/x402/buyer/discover-services.md"
      ],
      "added": "2026-10-02",
      "updated": "2026-10-02",
      "last_verified": "2026-10-02",
      "submitted_by": "agentica-curator",
      "maintainer": "Coinbase",
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      ],
      "links": {
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        "markdown": "https://indexagentica.com/entries/x402-bazaar.md",
        "json": "https://indexagentica.com/api/entries/x402-bazaar.json",
        "source": "https://github.com/Drudley/indexagentica/blob/main/content/finance-payments/x402-bazaar.json"
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    }
  ]
}