Email on Acid · Rate Limits

Email On Acid Rate Limits

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.

Email On Acid Rate Limits is the machine-readable rate-limit profile for Email on Acid on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 4 rate-limit definitions.

Tagged areas include Email Testing, Email Previews, Email Clients, Spam Testing, and Accessibility.

4 Limits
Email TestingEmail PreviewsEmail ClientsSpam TestingAccessibilityHTML ValidationEmail Quality AssurancePre-Deployment Testing

Limits

Monthly Email Previews - Basic Plan account
1000
Monthly Email Previews - Premium Plan account
2000
Monthly Email Previews - Contract Plan account
custom
Test Result Retention account
90

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Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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Tools for rate limits

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  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
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Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/email-on-acid-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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