Email To HEM

The privacy-safe activation layer. Email To HEM converts your existing email lists into the universal hashed email format every major ad platform and identity graph speaks. Required for Meta Advantage+, Google Customer Match, LinkedIn Matched Audiences, and clean-room workflows. Bulk and real-time options available.

How to Use
After subscribing, you will receive an API key to authenticate your requests. Send a POST request to the endpoint below with the email address and your callback URL. The result will be delivered to your callback URL when processing is complete.

Input Parameters
email (String, required) - The email address of the contact you want to retrieve the hashed email for. callback_url (String, required) - The URL where the resolved result will be delivered via POST request.

Input Sample
curl -X POST https://o9jez4jvuh.execute-api.us-east-1.amazonaws.com/prod/lead/resolution/email_to_hem  \
-H "Content-Type: application/json" \
-H "x-api-key: YOUR_API_KEY" \
-d '{
"email": "john@acme.com ",
"callback_url": "https://webhook.site/your-id "
}'

Callback Response Sample
{
"success": true,
"message": "Resolution successfully completed!",
"resolution": {
"id": "res_d386Y4ee4Y4a34YbeabY2766bffe8931",
"status": "completed",
"requested_at": "2026-06-23T17:48:23.687Z",
"callback_url": "https://webhook.site/your-id "
},
"lead": {
"hashed_emails": {
"email": "2886f652a2796429367e945ad9bd12d8",
"type": "md5"
}
,
"linkedin_url": "linkedin.com/in/john-doe"
},
"payload": {
"email": "john@acme.com ",
"callback_url": "https://webhook.site/your-id " }
}