Developers

A REST API and webhooks you can build on

Everything in the inbox is available over a documented REST API. Subscribe to events with signed webhooks, test against a sandbox, and see every request in the logs.

What you get

  • OpenAPI reference with code samples
  • Separate live and sandbox API keys
  • Signed webhook deliveries with retries
  • Request logs to debug integrations
  • Identity verification for logged-in widget users

Set up in three steps

Step 1

Create an API key in Developers

Step 2

Try requests in the sandbox

Step 3

Add a webhook endpoint and verify the signature

FAQ

REST API and webhooks questions

Is there a rate limit?

Yes, per key. Limits are listed in the API reference.
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