Guides

Core concepts

The ideas behind keys, events and errors, and where to read about each.

This is the parent page of the Core group. The sidebar heading CORE links here, and every page in the folder sits beneath it. This page is a placeholder for the section overview.

In this section#

Authentication

How API keys, scopes and tenant headers work together on every request.

Webhooks

Subscribe to billing events, verify signatures, and handle retries safely.

Errors

The error envelope, the codes you will meet, and how to handle each one.