The Zoho CRM REST API supports: fetching single records by ID, listing records with filter criteria, creating new records, updating existing records, bulk operations (create or update up to 100 records per request), deleting records, file attachments, running COQL queries, and retrieving module metadata (fields, layouts, picklist values). The API covers all standard and custom modules.
All API calls require OAuth 2.0 authentication. You register a Connected App in the Zoho Developer Console, obtain an access token, and include it in the Authorization header of each request. Access tokens expire after one hour and must be refreshed using the refresh token.
The Zoho CRM REST API is a set of HTTP endpoints that allow external applications to programmatically interact with Zoho CRM data. It supports creating, reading, updating, and deleting records across all modules, bulk operations, COQL queries, and metadata retrieval using OAuth 2.0 authentication.
The Zoho CRM REST API uses OAuth 2.0 for authentication. Developers register a Connected App in the Zoho Developer Console to obtain client credentials, which are used to generate access tokens included in API request headers. Access tokens expire hourly and are refreshed using a long-lived refresh token.
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