> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developers.hellosign.com/docs/sdks/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.hellosign.com/_mcp/server. # SDKs > Technical documentation for the Dropbox Sign API. ## Docs - [Overview](https://developers.hellosign.com/docs/sdks/overview.md): Dropbox Sign maintains official libraries for different programming languages. Click here to find your preferred SDK. - [Versioning Policy](https://developers.hellosign.com/docs/sdks/versioning-policy.md): Click here for information on Dropbox Sign's SDK versioning policy, which the API engineering team follows to ensure safety, reliability, and transparency. - [Interacting with Files](https://developers.hellosign.com/docs/sdks/open-api/interacting-with-files.md): This page explains how to interact with files using the Dropbox Sign API. Click here to learn about uploading and downloading files using our new SDKs. - [Form Fields per Document](https://developers.hellosign.com/docs/sdks/open-api/form-fields-per-document.md): Use form fields per document to place fields programmatically using the Dropbox Sign API. Click here to learn about the data structure used to place fields. - [Node](https://developers.hellosign.com/docs/sdks/migration-guides/node.md): Use this guide to migrate to the new Dropbox Sign Node SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [Python](https://developers.hellosign.com/docs/sdks/migration-guides/python.md): Use this guide to migrate to the new Dropbox Sign Python SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [PHP](https://developers.hellosign.com/docs/sdks/migration-guides/php.md): Use this guide to migrate to the new Dropbox Sign PHP SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [.NET](https://developers.hellosign.com/docs/sdks/migration-guides/net.md): Use this guide to migrate to the new Dropbox Sign Dotnet SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [Ruby](https://developers.hellosign.com/docs/sdks/migration-guides/ruby.md): Use this guide to migrate to the new Dropbox Sign Ruby SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [Java](https://developers.hellosign.com/docs/sdks/migration-guides/java.md): Use this guide to migrate to the new Dropbox Sign Java SDK, which is powered by our OpenAPI specification. Contains concepts and examples to help you migrate successfully. - [Overview](https://developers.hellosign.com/docs/sdks/python/overview.md): Quick reference for the Dropbox Sign Python SDK — install, authenticate, and find links to docs and examples. - [Overview](https://developers.hellosign.com/docs/sdks/node/overview.md): Quick reference for the Dropbox Sign Node SDK — install, authenticate, and find links to docs and examples. - [Overview](https://developers.hellosign.com/docs/sdks/php/overview.md): Quick reference for the Dropbox Sign PHP SDK — install, authenticate, and find links to docs and examples. - [Overview](https://developers.hellosign.com/docs/sdks/net/overview.md): Quick reference for the Dropbox Sign .NET SDK — install, authenticate, and find links to docs and examples. - [Overview](https://developers.hellosign.com/docs/sdks/ruby/overview.md): Quick reference for the Dropbox Sign Ruby SDK — install, authenticate, and find links to docs and examples. - [Overview](https://developers.hellosign.com/docs/sdks/java/overview.md): Quick reference for the Dropbox Sign Java SDK — install, authenticate, and find links to docs and examples.