Reverse Email Append API

Convert email hashes into
original addresses

Transform MD5 hashes back into email addresses with our powerful API. Perfect for user recovery, security analysis, and data enrichment teams who need to work with hashed email data.

Enterprise-grade hash conversion

Built for businesses that need reliable and secure email recovery

Hash to Email

Convert MD5 hashes back to original email addresses with high accuracy

Real-time Validation

Instant validation of recovered email addresses for deliverability

Lightning Fast

Get results in milliseconds with our globally distributed infrastructure

Privacy Compliant

Full compliance with GDPR, CCPA, and other privacy regulations

Secure Processing

End-to-end encryption and secure handling of all data

AI-Powered

Advanced algorithms for accurate hash to email conversion

Reverse Email Append API
curl 'https://api.enrich.so/v1/api/reverse-email-append?hash=5f0efb20de5ecfedbe0bf5e7c12353fe' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json'
Response
200 OK
{
  "success": true,
  "message": "Email record found.",
  "data": {
    "hash": "e13743a7f1db7f4246badd6fd6ff54ff",
    "email": "example@gmail.com",
    "display_name": "John Doe"
  }
}
View API docs

Powerful use cases

From user recovery to security analysis, our Reverse Email Append API powers critical workflows

User Recovery

Recover user emails from legacy hashed databases

Account recoveryDatabase migrationUser verification

Security

Enhance security by identifying compromised emails

Breach detectionAccount protectionFraud prevention

Data Enrichment

Convert hashed emails to usable contact information

Contact recoveryDatabase cleanupData validation

System Integration

Bridge legacy systems with modern applications

API integrationSystem migrationData synchronization

Join thousands of happy
customers worldwide

Discover why leading companies trust us to power their data intelligence needs.

Frequently asked questions

How accurate is your hash to email conversion?

Our service maintains a high success rate through advanced pattern matching and cross-referencing multiple data sources. We continuously update our database to ensure the highest possible conversion accuracy.

What types of hashes are supported?

Currently, we support MD5 hashes. Our system is optimized for processing these hash types efficiently while maintaining high accuracy in email recovery.

How do you ensure data privacy and security?

We strictly adhere to GDPR, CCPA, and other privacy regulations. All data processing is done with end-to-end encryption, and we maintain strict security protocols for handling sensitive information.

Can I process multiple hashes at once?

Yes, our API supports bulk operations allowing you to convert multiple hashes simultaneously. You can submit up to 1,000 hashes per batch request for efficient processing.

Ready to start converting hashes?

Join thousands of companies using our Reverse Email Append API to recover and validate email addresses.