name: Zoho Writer API Rate Limits
description: Threshold limits and cooling periods for Zoho Writer REST API categories
url: https://www.zoho.com/writer/help/api/v1/writer-apis-threshold-limits.html
categories:

  - name: Document APIs
    description: Core document creation, retrieval, update, and sharing operations
    endpoints:
      - name: General Document Operations
        limits:
          perMinute: 100
          perHour: 500
          perDay: 2000
        coolingPeriod:
          perMinute: 5-6 minutes
          perHour: 15 minutes
          perDay: 1-2 hours
      - name: Get Document Metrics
        description: Highest throughput endpoint for document metadata
        limits:
          perMinute: 1000
          perHour: 25000
        coolingPeriod:
          perMinute: 5-6 minutes
          perHour: 15 minutes
      - name: Get All Fields
        limits:
          perMinute: 100
          perHour: 500
          perDay: 5000
        coolingPeriod:
          perMinute: 5-6 minutes
          perHour: 15 minutes
          perDay: 1-2 hours

  - name: Meta APIs
    description: API endpoints for retrieving metadata about Writer documents and templates
    limits:
      perMinute: 60
      perHour: 500
      perDay: 2000
    coolingPeriod:
      perMinute: 5-6 minutes
      perHour: 15 minutes
      perDay: 1-2 hours

  - name: Combine APIs
    description: Endpoints for combining and merging multiple documents
    limits:
      perMinute: 50
      perHour: 200
      perDay: 2000
    coolingPeriod:
      perMinute: 5-6 minutes
      perHour: 15 minutes
      perDay: 1-2 hours
    notes: Stricter minute and hour limits than standard Document APIs.

  - name: Merge APIs
    description: Mail merge and template-based document generation operations
    endpoints:
      - name: Standard Merge Operations
        limits:
          perMinute: 100
          perHour: 500
          perDay: 5000
        coolingPeriod:
          perMinute: 5-6 minutes
          perHour: 15 minutes
          perDay: 1-2 hours
      - name: Merge and Email
        description: Merge with automated email delivery; more restrictive daily limit
        limits:
          perMinute: 100
          perHour: 500
          perDay: 1000
        coolingPeriod:
          perMinute: 5-6 minutes
          perHour: 15 minutes
          perDay: 1-2 hours
    operationalLimits:
      uiMergesPerDay: 5000
      apiMergesPerDay: 1000
      scope: Organization-level

  - name: Sign APIs
    description: Document signing workflow integration (integrates with Zoho Sign)
    limits:
      perMinute: 30
      perHour: 300
      perDay: 1000
    coolingPeriod:
      perMinute: 3 seconds
      perHour: 15 minutes
      perDay: 1-2 hours
    notes: Most restrictive limits across all API categories. Tightest per-minute cooling period.

general:
  notes:
    - All limits are per organization unless otherwise specified.
    - Cooling periods apply after a limit is reached and must elapse before additional calls are accepted.
    - Domain-specific base URLs apply per data center (US, EU, IN, JP, AU, CA, SA, CN).
    - Rate limit details sourced from official Zoho Writer API threshold documentation.