Validate any email address instantly with guaranteed accuracy, even on catch-all domains.
Simple REST API endpoint that validates emails instantly with SMTP-level checks.
Verify any email address for deliverability. Returns verification status and email provider. Uses 1 credit per verification.
POST
/api/verify
{
"email": "[email protected]"
}{
"email": "[email protected]",
"verified": true,
"provider": "Google"
}The email address to verify
| Parameter | Type | Description |
|---|---|---|
| email* | string | The email address to verify |
* Required parameter
The email address that was verified
Whether the email is deliverable
Email provider (e.g., "Google", "Microsoft")
| Field | Type | Description |
|---|---|---|
| string | The email address that was verified | |
| verified | boolean | Whether the email is deliverable |
| provider | string | Email provider (e.g., "Google", "Microsoft") |
curl -X POST https://app.findymail.com/api/verify \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"email": "[email protected]"
}'Real SMTP verification with MX record validation and mailbox existence checks.
Identify the email provider (Google, Microsoft, etc.) for better deliverability insights.
Validate catch-all emails in real time.
Enterprise-grade reliability with redundant infrastructure and 24/7 monitoring.
Verify millions of emails with high-volume throughput and concurrent request support.
Privacy-first infrastructure with data processing that meets EU regulatory requirements.
Clay.com independently tested email verification API and ranked Findymail as #1 email verification API in accuracy and coverage.

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