Olympus AscendOur official launch event, 12 November 202612 Nov 2026Learn more
Olympus Pay

API functions.

The public merchant API, from its OpenAPI specification. Search, copy a request and run the open reference endpoint.

Making authenticated calls.

Authenticated calls must be made from your own server, because browsers are not permitted to call them cross-origin. Use a sandbox key while you build.

  • Bearer authentication with an olp_test_ or olp_live_ key.
  • Each endpoint needs the scope shown against it.
  • Send an Idempotency-Key when you create resources.
  • Sandbox keys never move real money.