Heybounce
Free trialLiveLast verified 24 Sept 2026
Real-time email verification checking deliverability, MX records, and disposable/role addresses.
Example request
curl -s 'https://api.heybounce.io/v1/validate?email=test@example.com&api_key=$API_KEY'
Free tier, in plain English
New accounts get 100 one-time verification credits, then it's pay-per-credit with volume discounts.
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