> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sydium.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Errors

Errors return a JSON body `{ "success": false, "error": { "code", "message" } }` with a standard HTTP status: `401` unauthenticated, `403` insufficient scope/permission, `422` validation, `429` rate-limited / insufficient tokens, `404` not found.