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Email Verification API Usage Guide

Reliable integrations define authentication, timeouts, retries, result handling, logging, and a correction experience before production rollout.

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Production checklist

Keep API keys server-side; never expose secrets in the browser.

Set timeouts and decide whether form submit blocks on verification or continues with a deferred check.

Test every response category—including unknown—before go-live.

Action checklist

  • Keep API keys server-side
  • Test every response category
  • Plan graceful timeout behavior
Ready when you are

Put this guide into practice

Verify a list or wire the API into your forms — same results in the dashboard, jobs, and API.

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