x402 Pay — USDC API Payment Helper for ChatGPT

com.scriptmasterlabs/x402-pay

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

client:ChatGPT transport:streamable-http tools:4

Install x402 Pay — USDC API Payment Helper in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://squeezeos-api.onrender.com/mcp/x402-pay

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