Developer Tools

Instant API Key

Frictionless API key provisioning via USDC payment. Pay once, receive a prepaid credits key instantly — no sign-up, no OAuth, no waitlist. Works across the canonical x402 service catalog.

post/x402/instant-api-key

Request

  • Base URL: https://coinrailz.com
  • URL: https://coinrailz.com/x402/instant-api-key
  • Auth: API key in header X-API-KEY

Request body

namestring

Optional label for the API key

Response

API key with prepaid credits

Changes

No recorded changes to this operation across all 1 revision of this API.