A2A x402 Extension (google-agentic-commerce)

x402 infrastructure ⚠️ Caution

Description

Official extension bringing x402 cryptocurrency micropayments to the Agent-to-Agent (A2A) protocol — spec, Python reference implementation, and payment schemes. ⚠️ Published under google-agentic-commerce GitHub org, not the official github.com/google org. Likely Google-affiliated but unverified.

Trust Notes

⚠️ Community-maintained Google extension, not an official Google product. "google-agentic-commerce" org is third-party.

Capabilities

Streaming ✗ Not supported

Push Notifications ✗ Not supported

Input Modes

text

Output Modes

text

Metadata

Endpoint

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

GitHub

google-agentic-commerce/a2a-x402

Created

Mar 1, 2026

Updated

Apr 12, 2026