Explore the Lookup API
See the phone and email intelligence available to your app.
Check addresses before sending. Get a quote for the volume you need to validate.
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Billed per email address. Contact Sales for volume pricing.
Email recipient validation
Catch invalid addresses before they hurt your sender reputation.
per email address
See the phone and email intelligence available to your app.
Review the request and returned address properties.
See where validation fits in an email sending workflow.
Validate addresses before you send and protect your sender reputation.