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

# Changelog

> Developer documentation and public API integration updates.

## August 11, 2026

* Added a complete REST quickstart.
* Added authentication, request lifecycle, polling, file upload, error, rate-limit, billing, and retention documentation.
* Added TypeScript SDK documentation.
* Updated webhook examples to match the current payload envelope.
* Added a validated OpenAPI reference for request status and cancellation.

<Note>
  New model availability and model-specific schema changes will be documented with the redesigned model catalog.
</Note>