> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.synthesia.io/docs/upload-api-reference/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.synthesia.io/docs/_mcp/server.

# Upload API reference (v2)


## API Docs

- Upload API reference (v2) [Upload script audio](https://developers.synthesia.io/docs/upload-api-reference/upload-script-audio.md)
- Upload API reference (v2) [Create an asset](https://developers.synthesia.io/docs/upload-api-reference/create-an-asset.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://developers.synthesia.io/docs/openapi.json)
- [OpenAPI YAML](https://developers.synthesia.io/docs/openapi.yaml)