ATXP
Agent Transaction Protocol: agents self-register for a USDC wallet, email and connection token, then pay per use for MCP tools and LLM inference.
Tags
Description
npx atxp agent register creates an agent account with an @atxp.email address, an Ethereum wallet and $5 starting credit; npx atxp fund returns USDC deposit addresses and a Stripe payment link. Tools are pay-per-use (README examples: search/image $0.001–$0.05, email $0.01, SMS $0.05). An OpenAI-compatible LLM gateway is at llm.atxp.ai. The MIT-licensed SDK (@atxp/client, @atxp/server, @atxp/express, @atxp/x402, ...) lets developers charge for MCP servers; supported chains include Base, World Chain, Polygon and Solana. npm atxp 1.29.0.
Related
- x402: Open standard for internet-native payments built on HTTP 402, letting APIs and agents pay per request across crypto and fiat networks.
- Coinbase CDP x402 Facilitator: Coinbase Developer Platform's x402 offering: a hosted facilitator that verifies and settles x402 payments, plus seller and buyer SDK quickstarts.
- pay.sh: Single-binary CLI that transparently handles HTTP 402 (x402 and MPP) payments so agents can call paid APIs with no sign-up.
Sources
- https://github.com/atxp-dev/atxp
- https://github.com/atxp-dev/sdk
- https://docs.atxp.ai/agents
- https://docs.atxp.ai/developers/cli
- https://www.npmjs.com/package/atxp
Machine-readable
- JSON
- Markdown
- Source file on GitHub (edit via pull request)