name: Zoho Cliq API Rate Limits
description: Zoho Cliq API rate limiting policy. Zoho states there is no hard usage limit on the API, but system-level throttling exists to protect against denial of service (DOS) attacks. Users may encounter URL throttle limit errors (HTTP 400) under high request volumes. Specific numeric thresholds are not publicly disclosed.
url: https://help.zoho.com/portal/en/community/topic/zoho-cliq-api-rate-limit
rateLimits:
  - name: URL Throttle Limit
    description: System-level throttle applied to protect against denial of service attacks. Zoho does not publish specific request-per-minute or request-per-day thresholds. Requests exceeding undisclosed limits receive HTTP 400 with message "You have exceeded the URL throttle limits."
    type: throttle
    scope: per-endpoint
    disclosed: false
    errorCode: 400
    errorMessage: You have exceeded the URL throttle limits.
    notes: >
      Zoho officially states "There is no usage limit on the API," but system-level
      throttling is enforced. Contact Zoho support for specific thresholds applicable
      to your organization and plan.
authentication:
  type: OAuth 2.0
  description: All API requests must include a valid OAuth 2.0 access token. Tokens expire automatically to limit exposure from potential breaches. Users can revoke third-party application access at any time.
  tokenURL: https://accounts.zoho.com/oauth/v2/token
  authorizationURL: https://accounts.zoho.com/oauth/v2/auth
  grantTypes:
    - authorization_code
    - client_credentials
regions:
  - name: United States
    baseURL: https://cliq.zoho.com/api/v3
  - name: European Union
    baseURL: https://cliq.zoho.eu/api/v3
  - name: India
    baseURL: https://cliq.zoho.in/api/v3
  - name: Australia
    baseURL: https://cliq.zoho.com.au/api/v3
  - name: China
    baseURL: https://cliq.zoho.com.cn/api/v3
  - name: Japan
    baseURL: https://cliq.zoho.jp/api/v3
  - name: Saudi Arabia
    baseURL: https://cliq.zoho.sa/api/v3
  - name: United Kingdom
    baseURL: https://cliq.zoho.uk/api/v3
  - name: Canada
    baseURL: https://cliq.zohocloud.ca/api/v3