Base USDC Payment Verifier (x402) for ChatGPT

com.onrender.x402-usdc-verify/base-usdc-verifier

Verify a Base tx is a confirmed native-USDC transfer to a recipient. Paid via x402, 0.01 USDC/call.

client:ChatGPT transport:streamable-http tools:2

Install Base USDC Payment Verifier (x402) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://x402-usdc-verify.onrender.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs