> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.hellosign.com/api/manual-reference-pages/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.hellosign.com/_mcp/server.

# Manual Reference Pages

> Technical documentation for the Dropbox Sign API.

## Docs

- [Warnings and Errors](https://developers.hellosign.com/api/manual-reference-pages/warnings-and-errors.md): Technical documentation for the Dropbox Sign API.
- [Constants](https://developers.hellosign.com/api/manual-reference-pages/constants.md): Technical documentation for the Dropbox Sign API.
- [Search](https://developers.hellosign.com/api/manual-reference-pages/search.md): Technical documentation for the Dropbox Sign API.
- [Premium Branding](https://developers.hellosign.com/api/manual-reference-pages/premium-branding.md): Add your brand to Dropbox Sign API App to personalize your embedded eSignature solution.
- [Expiration](https://developers.hellosign.com/api/manual-reference-pages/expiration.md): Add an expiration to your Signature Request to limit the length of time a document can be signed. Once expired, signers can no longer sign the Signature Request.
- [Domain Concepts Glossary](https://developers.hellosign.com/api/manual-reference-pages/glossary.md): A comprehensive glossary of Dropbox Sign domain concepts, terminology, and relationships. Designed to help developers and AI agents understand the Dropbox Sign API domain model.
- [Core Objects](https://developers.hellosign.com/api/manual-reference-pages/glossary/core-objects.md): Definitions of fundamental Dropbox Sign domain objects including Signature Request, Template, Document, Account, Subscription, Team, and API App.
- [Signers & Roles](https://developers.hellosign.com/api/manual-reference-pages/glossary/signers-roles.md): Understanding signers, senders, CC recipients, signer roles, and signing order in the Dropbox Sign API.
- [Fields & Templates](https://developers.hellosign.com/api/manual-reference-pages/glossary/fields-templates.md): Form fields, field types, merge fields, text tags, and conditional logic in the Dropbox Sign API.
- [Workflows](https://developers.hellosign.com/api/manual-reference-pages/glossary/workflows.md): Embedded signing, embedded unclaimed drafts, bulk send, and OAuth flows in the Dropbox Sign API.
- [Callbacks & Events](https://developers.hellosign.com/api/manual-reference-pages/glossary/callbacks-events.md): Webhook notifications, event types, and callback handling in the Dropbox Sign API.
- [Features](https://developers.hellosign.com/api/manual-reference-pages/glossary/features.md): Premium features available in Dropbox Sign including Premium Branding, SMS Delivery & Verification, and Signer PIN / Access Code.
- [Security & Compliance](https://developers.hellosign.com/api/manual-reference-pages/glossary/security-compliance.md): Authentication methods, audit trails, and qualified electronic signatures in the Dropbox Sign API.