> You are reading the Docusign Developer Documentation. For clean Markdown of any page, append .md to the page URL.
>
> Documentation indexes by section:
> - APIs and SDKs: https://docusign.docs.buildwithfern.com/docs/llms.txt
> - Platform 101: https://docusign.docs.buildwithfern.com/platform/llms.txt
> - Extension Apps: https://docusign.docs.buildwithfern.com/extension-apps/llms.txt
> - Docusign CLI: https://docusign.docs.buildwithfern.com/docusign-cli/llms.txt
>
> Authentication (OAuth, JWT Grant, M2M): https://docusign.docs.buildwithfern.com/platform/auth
> Webhooks and Connect: https://docusign.docs.buildwithfern.com/platform/webhooks
>
> OpenAPI specifications: https://docusign.docs.buildwithfern.com/openapi.json
> MCP server: https://docusign.docs.buildwithfern.com/_mcp/server

# iOS SDK overview

> The Docusign iOS SDK provides classes and methods to access the Docusign eSignature REST API.

## iOS SDK overview

The Docusign iOS SDK provides classes and methods to access the Docusign eSignature REST API. Designed to support Objective-C and Swift applications, the iOS SDK enables you to develop fully functional Docusign integrations for iOS devices.

#### [iOS SDK 101](/docs/mobile-sdks/ios-sdk/ios101)

Get started with the iOS SDK: learn fundamental concepts, download and install the SDK, set up your developer account, and learn about core SDK interfaces.

#### [How-to guides](/docs/mobile-sdks/ios-sdk/how-to)

These step-by-step guides show you how to accomplish core mobile sending and signing scenarios and sync offline signing processes with Docusign.

#### [Sample app](/docs/mobile-sdks/ios-sdk/sample-app)

This fully developed sample app shows the functionality of the iOS SDK and can serve as a model for your own mobile Docusign integration. First, try out the app without downloading any code; then you can clone it from GitHub for free (MIT license).

#### [Go-Live](/docs/mobile-sdks/ios-sdk/go-live)

Learn how to migrate your app from your developer account into production.

#### [SDK references](/docs/mobile-sdks/ios-sdk/reference)

Learn about two SDK references that document the classes and methods available in the iOS SDK.