# API Reference API Ref Extensions Marketplace

> Machine-readable Agora documentation pages in this section.

## Documentation

- [REST API](https://docs.agora.io/en/api-reference/api-ref/extensions-marketplace/provisioning.md)
- [Encrypted signature](https://docs.agora.io/en/api-reference/api-ref/extensions-marketplace/signature-algorithm.md)
- [Provide usage data to Agora](https://docs.agora.io/en/api-reference/api-ref/extensions-marketplace/usage.md)