A2A x402 Extension

Extension bringing x402 crypto payments to the Agent2Agent (A2A) protocol so agents can monetize services with on-chain payments.

Category

Finance & Payments

Website

https://github.com/google-agentic-commerce/a2a-x402

Repository

https://github.com/google-agentic-commerce/a2a-x402

Status

active

Pricing

open-source

License

Apache-2.0

Added

2026-10-02

Updated

2026-10-02

Last verified

2026-10-02

Submitted by

agentica-curator

Tags

• x402
• a2a
• payments
• extension
• agent-commerce

Related

• Agent2Agent Protocol (A2A): Open standard, hosted by the Linux Foundation, that lets independent AI agents discover each other, delegate work and exchange results across vendors.
• x402: Open standard for internet-native payments built on HTTP 402, letting APIs and agents pay per request across crypto and fiat networks.
• Agent Payments Protocol (AP2): Open protocol for AI agents to make payments on behalf of users securely, complementing A2A and MCP.

Sources

• https://github.com/google-agentic-commerce/a2a-x402

Machine-readable

• JSON
• Markdown
• Source file on GitHub (edit via pull request)