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Email Verifier API

The Real Time Email Verification API

Validate any email address instantly with guaranteed accuracy, even on catch-all domains.

Verify Email Deliverability In Real Time

Simple REST API endpoint that validates emails instantly with SMTP-level checks.

Verify Email Address

Verify any email address for deliverability. Returns verification status and email provider. Uses 1 credit per verification.

POST

/api/verify

Request
{
  "email": "[email protected]"
}
Response 200 OK
{
  "email": "[email protected]",
  "verified": true,
  "provider": "Google"
}

Request Parameters

email* string

The email address to verify

* Required parameter

Response Fields

email string

The email address that was verified

verified boolean

Whether the email is deliverable

provider string

Email provider (e.g., "Google", "Microsoft")

cURL Example

curl -X POST https://app.findymail.com/api/verify \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email": "[email protected]"
  }'

Why Use Findymail's Email Verifier API?

SMTP-Level Checks

Real SMTP verification with MX record validation and mailbox existence checks.

Provider Detection

Identify the email provider (Google, Microsoft, etc.) for better deliverability insights.

Catch-All Validation

Validate catch-all emails in real time.

99%+ Uptime

Enterprise-grade reliability with redundant infrastructure and 24/7 monitoring.

Scalable

Verify millions of emails with high-volume throughput and concurrent request support.

GDPR Compliant

Privacy-first infrastructure with data processing that meets EU regulatory requirements.

Don't Take Our Word For It

Clay.com independently tested email verification API and ranked Findymail as #1 email verification API in accuracy and coverage.

Clay Integration Quality Leader - Email Verification Clay Integration Quality Performer - Catch-All Email Verification

Start verifying emails today

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