specificationVersion: '0.1'
id: email-on-acid-rate-limits
name: Email on Acid API Rate Limits
description: Rate limiting information for the Email on Acid REST API (v5). Limits
  are plan-dependent and tied primarily to monthly email preview allotments. Exceeding
  plan limits triggers a RateLimited error response. Specific thresholds beyond
  monthly preview credits are not publicly disclosed; contact support for higher
  allowances.
url: https://api.emailonacid.com/docs/latest
limits:
  - name: Monthly Email Previews - Basic Plan
    description: Maximum number of email rendering previews that can be requested
      via the API per billing month under the Basic plan. Additional previews are
      charged at the overage rate.
    scope: account
    window: monthly
    limit: 1000
    unit: previews
    plan: Basic
    overageAllowed: true
    overagePrice: 0.15
    overageCurrency: USD
    errorCode: RateLimited
    errorMessage: You have made more requests to the API than your pricing plan allows.
  - name: Monthly Email Previews - Premium Plan
    description: Maximum number of email rendering previews that can be requested
      via the API per billing month under the Premium plan. Additional previews are
      charged at the overage rate.
    scope: account
    window: monthly
    limit: 2000
    unit: previews
    plan: Premium
    overageAllowed: true
    overagePrice: 0.15
    overageCurrency: USD
    errorCode: RateLimited
    errorMessage: You have made more requests to the API than your pricing plan allows.
  - name: Monthly Email Previews - Contract Plan
    description: Custom monthly preview allotment negotiated per contract for enterprise
      customers. Contact sales for specific limits.
    scope: account
    window: monthly
    limit: custom
    unit: previews
    plan: Contract
    overageAllowed: negotiated
  - name: Test Result Retention
    description: Email test results are stored on Email on Acid servers for 90 days
      after processing, after which results are removed. Test metadata is retained
      permanently.
    scope: account
    window: 90 days
    limit: 90
    unit: days
    applies: test result storage
notes:
  - Specific per-minute or per-second request rate limits are not publicly disclosed
    in the API documentation.
  - Contact Email on Acid support to request higher rate limits beyond plan allotments.
  - A sandbox mode is available using "sandbox" credentials for development and testing
    without consuming production preview credits.
  - The API returns HTTP error with RateLimited code when plan limits are exceeded.