APT Commerce documentation

Organized around the five API surfaces. Start in Learn, browse the contracts in Surfaces, look up shapes in Reference, and try things in Sandbox.

Start the quick start Browse surfaces

Choose your role

Personas filter Intent guides — they aren't a separate site. Pick one to jump straight to the work you're doing.

Merchants

Take and reconcile payments — Card, ACH, and Stablecoin.

Open intent guides

Partners

Board merchants, manage merchants on the book, monitor portfolio.

Open intent guides

Developers

Authenticate, board/manage merchants via API, listen, operate, extend.

Open intent guides

Top-level sections

Learn

Concepts, quick start, authentication, and intent guides.

Surfaces

The five API surfaces — REST, JSON-RPC, Events, AI Tools, Compat.

Reference

Generated from canonical registries — objects, errors, events, methods.

Sandbox

Try the API without writing code — request builder and webhook tester.

Apps & connectors

Connect an existing ISV app instead of building the integration yourself.

Downloadable specs

Drop these into your client of choice and start exploring the API.

OpenAPI YAML Postman Bruno