Email Finder API Reference
Last reviewed: March 2026
The Email Finder API discovers verified professional email addresses using a person's first name, last name, and company domain. Send a POST request with the person's name and domain, and the API returns the matched email, a confidence score (high/medium/low), email provider, and verification status. Average response time is 187ms. The API supports single lookups, batch processing up to 500,000 records, and webhook callbacks for async workflows.
Features
94.2% Match Rate
Cross-references multiple verified databases to find the correct email address with industry-leading accuracy.
Confidence Scoring
Every result includes a confidence level (high, medium, low) so you know how reliable each match is.
Provider Detection
Detects the email provider (Google Workspace, Microsoft 365, etc.) for each result.
Bulk Processing
Submit up to 500,000 leads in a single batch request for high-volume prospecting campaigns.
Webhook Callbacks
Get notified via webhook as each result completes or when the entire batch finishes processing.
187ms Response Time
Single lookups return in under 200ms on average, enabling real-time enrichment workflows.
API Endpoints
/email-finderFind a professional email from name and company domain/email-finder/batchSubmit up to 500,000 leads for batch email discovery/email-finder/batch/{batchId}Check batch email finder job progress/email-finder/batch/{batchId}/resultsRetrieve paginated batch email finder resultsFind a professional email address
Send the person's first name, last name, and company domain. The API returns the matched email address with a confidence score, email provider, and verification status. Authentication uses a Bearer token in the Authorization header.
Request
POST https://api.enrich.so/v1/email-finder Authorization: Bearer YOUR_API_KEY Content-Type: application/json Accept: application/json { "first_name": "John", "last_name": "Smith", "domain": "acme.com" }
Response
{
"success": true,
"email": "john.smith@acme.com",
"confidence": "high",
"score": 96,
"provider": "Google Workspace",
"verified": true,
"pattern": "{first}.{last}",
"sources": 3,
"credits_used": 10
}Field Reference
first_namestringPerson's first name (required)last_namestringPerson's last name (required)domainstringCompany domain, e.g. acme.com (required)emailstringDiscovered email addressconfidencestringMatch confidence: high, medium, or lowscorenumberConfidence score from 0 to 100providerstringEmail provider (Google Workspace, Microsoft 365, etc.)verifiedbooleanWhether the mailbox was verified via SMTPpatternstringEmail pattern detected at the domainsourcesnumberNumber of sources that confirmed the matchcredits_usednumberCredits consumed for this lookupUse Cases
- Outbound sales prospecting - find email addresses for cold outreach campaigns
- Account-based marketing - reach decision-makers at target accounts
- Recruiting - contact potential candidates directly
- Link building - find the right person to pitch for backlinks
- Partnership outreach - connect with business development contacts
- CRM enrichment - fill in missing email fields for existing contacts
Pricing
Email Finder costs 10 credits per lookup. Plans: Growth Pack $49/mo (100K credits), Scale Pack $149/mo (500K credits), Pro Pack $499/mo (2.5M credits). 100 free credits included, no credit card required.
Frequently Asked Questions
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