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

# Auth API

> Issue and manage tokens for SCX Channel and other APIs.

The Auth API exchanges a long-lived refresh token for a short-lived bearer token that you include in requests to the Channel and Seller APIs. Refresh tokens are issued during onboarding.

## Documentation

For more information on authentication, see the following guides:

<CardGroup cols={2}>
  <Card title="Authorization" icon="key" href="/guides/marketplace-channels/authorization">
    Refresh tokens, access tokens, and Bearer headers for all SCX APIs.
  </Card>

  <Card title="Rate Limits" icon="gauge" href="/guides/marketplace-channels/rate-limits">
    Per-endpoint quotas, `X-RateLimit-*` headers, and 429 handling.
  </Card>
</CardGroup>

## OpenAPI Spec

Import into Postman, Insomnia, or generate a client: [Download JSON](/openapi/scx/auth.json).