The Zoho Sign API is a REST interface that allows developers to integrate electronic signature functionality directly into other applications. Use cases include sending contracts from a CRM, automating NDA requests from a sales tool, triggering employee onboarding agreements from an HRIS, and building custom signing workflows without manual Zoho Sign navigation.
The API supports: creating documents from templates or file uploads, adding signatories with their field assignments, sending documents for signing, checking document status, downloading completed signed PDFs, and receiving event notifications via webhook. All operations use OAuth 2.0 authentication.
Common integration patterns include embedding a Sign button in a CRM deal view (triggering the API to send a template), polling the API for document status to update deal stages, and webhook-driven workflows that trigger downstream processes when signing is complete. The Zoho Sign developer documentation at sign.zoho.com/api provides full endpoint references.
The Zoho Sign API allows developers to programmatically create and send documents for signing, retrieve document status and audit trail data, download completed signed PDFs, manage templates, and receive webhook events. Common integrations include sending contracts automatically when a CRM deal reaches a specific stage, and storing completed signed documents in a linked Google Drive or SharePoint folder.
The Zoho Sign API uses OAuth 2.0. The calling application registers with Zoho’s API Console to obtain a client ID and secret, then requests an access token either through the authorisation code flow (for user-facing integrations) or the client credentials flow (for server-to-server integrations). The access token is included as a Bearer token in each API request’s Authorization header.
The Zoho Sign API allows developers to programmatically create and send documents for signing, retrieve document status and audit trail data, download completed signed PDFs, manage templates, and receive webhook events. Common integrations include sending contracts automatically when a CRM deal reaches a specific stage, and storing completed signed documents in a linked Google Drive or SharePoint folder.
The Zoho Sign API uses OAuth 2.0. The calling application registers with Zoho’s API Console to obtain a client ID and secret, then requests an access token either through the authorisation code flow (for user-facing integrations) or the client credentials flow (for server-to-server integrations). The access token is included as a Bearer token in each API request’s Authorization header.
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