25.1 REST API (V2.1)
Zoho Creator's REST API V2.1 is the current recommended API version. It uses OAuth 2.0 for authentication (REST API V2.1):
| API Category | Operations |
|---|---|
| Data APIs | Add, Fetch, Update, Delete records |
| Publish APIs | Add and Fetch records in published components |
| File APIs | Upload and download files |
| Meta APIs | Fetch metadata (forms, reports, fields, application info) |
| Bulk Read APIs | Fetch large data sets efficiently |
| Custom APIs | Execute user-defined custom API endpoints |
| Bulk Insert APIs | Asynchronous high-volume record insertion (new, April 2026) |
API call limits per plan: 250/day (Free), 250/user/day (Standard), 500/user/day (Professional), 1,000/user/day (Enterprise). Custom API limits: 100/day (Free), 100/user/day (Standard), 250/user/day (Professional), 500/user/day (Enterprise). Cloud function call limits: 50 calls/user/day max 5,000/day (Standard), 100/user/day max 10,000/day (Professional), 200/user/day max 20,000/day (Enterprise).
25.2 JS API
Covered in Section 11.2. Two versions (V1 and V2) for use within widgets, based on REST API V2 and V2.1 respectively.
25.3 Mobile SDK
Covered in Section 15.4. Android SDK available in Core and UI+Core variants for user and customer app types.
25.4 External Calls
External calls (webhooks and integration tasks in Deluge) limits: 100/user/day (Standard), 250/user/day (Professional), 500/user/day (Enterprise).