name: Zoho Sheet API Rate Limits
description: Rate limiting policy for the Zoho Sheet Data API v2. There are no daily or monthly usage caps, but per-minute limits apply per document to protect server stability.
url: https://sheet.zoho.com/help/api/v2/
limits:

  - name: Per-Minute API Call Limit
    description: Each API endpoint has a per-minute call threshold. Limits vary by endpoint and cannot be increased on request. Exceeding the limit suspends API access to that specific document for 5 minutes.
    unit: requests/minute
    scope: per-document, per-endpoint
    errorCode: 2950
    throttleDuration: 5 minutes
    canBeIncreased: false

  - name: Daily API Call Limit
    description: No daily usage limit is currently enforced for the Zoho Sheet Data API.
    unit: requests/day
    value: unlimited
    notes: Subject to change in future API versions.

  - name: Monthly API Call Limit
    description: No monthly usage limit is currently enforced for the Zoho Sheet Data API.
    unit: requests/month
    value: unlimited
    notes: Subject to change in future API versions.

  - name: Access Token Validity
    description: OAuth 2.0 access tokens are valid for up to one hour after creation.
    unit: seconds
    value: 3600

  - name: Concurrent Refresh Tokens
    description: A maximum of 20 concurrent refresh tokens are allowed per client application. When this limit is exceeded, the oldest token is automatically deleted.
    unit: tokens
    value: 20

  - name: Access Token Generation Rate
    description: A maximum of 10 access tokens can be generated per 10-minute window per client.
    unit: tokens per 10 minutes
    value: 10

workbookLimits:
  - name: Maximum Columns per Workbook
    value: 256
  - name: Maximum Rows per Worksheet
    value: 65536
  - name: Maximum Cells per Workbook
    value: 2000000