> For the complete documentation index, see [llms.txt](https://developers.docstudio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.docstudio.com/api-reference.md).

# API reference

- [Authorization](https://developers.docstudio.com/api-reference/authorization.md): This document contains details for the /api/login endpoint, including the request body, response token, and status codes.
- [Send Envelope](https://developers.docstudio.com/api-reference/send-envelope.md): This document contains details for the /api/v1/envelope/send endpoint, including headers, request parameters, response fields, and status codes.
- [Check Envelope Status](https://developers.docstudio.com/api-reference/check-envelope-status.md): This document contains details for the /api/v1/envelope/{envelopeUuid} endpoint, including headers, parameters, response fields, and status codes.
- [Download Envelope Archive](https://developers.docstudio.com/api-reference/download-envelope-archive.md): This document explains how to download a completed envelope archive through DocStudio API.
- [Upload Attachments](https://developers.docstudio.com/api-reference/upload-attachments.md): This document contains details for the /api/v1/envelope/attachment endpoint, including headers, request body, response fields, and status codes.
- [Fill Envelope](https://developers.docstudio.com/api-reference/fill-envelope.md): This document contains details for the /api/v1/envelope/fill endpoint, including headers, request body, response, and status codes.
- [Create Template](https://developers.docstudio.com/api-reference/create-template.md): This document contains details for the /api/v1/template endpoint, including headers, request body, response fields, and status codes.
- [Search Mailboxes and Contacts](https://developers.docstudio.com/api-reference/search-mailboxes-and-contacts.md): This document contains details for the /api/v1/mailbox/search endpoint, including headers, query parameters, response fields, and status codes.
- [Account Domains](https://developers.docstudio.com/api-reference/account-domains.md): This document contains account domain endpoints, including parameters, requests, responses, and status codes.
- [Dictionaries](https://developers.docstudio.com/api-reference/dictionaries.md): This document contains dictionary endpoints, including parameters, request bodies, responses, and status codes.