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

# StepFun Open Platform Documentation

# Build with StepFun

Guides and reference for model integration, application development and ongoing maintenance.

[API quickstart](https://platform.stepfun.ai/docs/en/quickstart/overview.md)
[Get API key](https://platform.stepfun.ai/interface-key)
[API reference](https://platform.stepfun.ai/docs/en/api-reference/chat/chat-completion-create.md)

## Explore models and make your first call

## Build and test your application

[Handle errors](https://platform.stepfun.ai/docs/en/guides/developer/exception.md)
[Troubleshoot requests](https://platform.stepfun.ai/docs/en/guides/developer/troubleshooting.md)

### Development tools and subscriptions

## Platform usage and management


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.