Discovery
x402 Golden Path — First Paid Call
START HERE. The canonical first payment endpoint for any AI agent integrating with Coin Railz. Pay $0.05 USDC on Base or Solana and receive a verified onboarding receipt, payment confirmation, and executable templates for the next 3 services. Both EVM and Solana accepted.
post/x402/first-call
Request
- Base URL: https://coinrailz.com
- URL: https://coinrailz.com/x402/first-call
- Auth: API key in header X-API-KEY
Request body
Response
Success
Changes
No recorded changes to this operation across all 1 revision of this API.