Getting started
Base URL, your first call, and what it costs.
Authentication
An API key for your own backend, OAuth 2.1 to act for a user.
Playground
Build a real request in the browser and read what comes back.
API reference
Every endpoint, generated from the OpenAPI spec.
Webhooks
Five event types, their payloads, and how delivery actually behaves.
Errors
Every error type, and which of the two 403s you are looking at.