> 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

# eSignature REST API 101

> Learn where to start working with the eSignature REST API.

The eSignature API enables you to [integrate Docusign eSignature](/docs/esign-rest-api) functionality fully into your own apps.

* Get started by configuring and downloading a [Quickstart](/docs/esign-rest-api/quickstart) that contains examples in the language of your choice.
* Browse our set of [How-to guides](/docs/esign-rest-api/how-to), which demonstrate how common eSignature scenarios work and how you can implement them in your own apps.
* Explore eSignature REST API concepts, features, and best practices in **eSignature REST API 101**.

#### [eSignature concepts and features](/docs/esign-rest-api/esign101/concepts)

Learn about important concepts of the eSignature REST API, such as Envelopes, Documents, Recipients, and Tabs.

#### [Rules and resource limits](/docs/esign-rest-api/esign101/rules-and-limits)

Learn about the rules and resource limits enforced for the eSignature REST API.

#### [How-to guides](/docs/esign-rest-api/how-to)

Explore code examples and guides demonstrating how to implement eSignature functionality.

#### [Go-Live](/docs/esign-rest-api/go-live)

Learn how to go-live with an eSignature REST API integration.