Quickstart

Install the SDK, create an API key and send your first event in five minutes.

Guide · 5 min
Authentication

API keys, OAuth for apps that act for your users, and how to rotate both safely.

Guide · 8 min
Webhooks

A signed request when something happens, with retries and a 30-day replay log.

Reference · 14 events
API reference

Every endpoint with its parameters, responses and errors, in curl, Node and Python.

Reference · 62 endpoints
SDKs and libraries

Typed clients for TypeScript, Python, Go and Ruby, versioned with the API.

4 languages
Rate limits

The limits on each plan, the headers that report them and how to back off.

Guide · 4 min

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