> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developers.hellosign.com/docs/guides/o-auth/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.hellosign.com/_mcp/server. # OAuth > Technical documentation for the Dropbox Sign API. ## Docs - [Overview](https://developers.hellosign.com/docs/guides/o-auth/overview.md): Keep your users data safe. Click here to learn about using OAuth in your Dropbox Sign API integrations. - [Walkthrough](https://developers.hellosign.com/docs/guides/o-auth/walkthrough.md): OAuth allows you to send signature requests and call the Dropbox Sign API on behalf of your users. Click here to learn about Dropbox Sign's OAuth flows. ## API Docs - OAuth [OAuth Token Generate](https://developers.hellosign.com/docs/guides/o-auth/token-generate.md) - OAuth [OAuth Token Refresh](https://developers.hellosign.com/docs/guides/o-auth/token-refresh.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://developers.hellosign.com/docs/guides/o-auth/openapi.json) - [OpenAPI YAML](https://developers.hellosign.com/docs/guides/o-auth/openapi.yaml)