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The HoopAI Platform LC Email REST API lets you verify the deliverability of an email address or a contact’s email before sending. Submit an address or contact ID and receive a deliverability verdict, a risk rating, and a platform-specific recommendation — helping you reduce bounce rates and protect your sender reputation.

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Base URL

https://services.leadconnectorhq.com

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Authentication

Every request requires a Bearer token and an API version header. 
Authorization: Bearer <access_token>
Version: 2021-07-28
Use an access token generated with user type Sub-Account, or a Private Integration Token from a Sub-Account. See OAuth 2.0 for details.

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OAuth scopes

This API uses location-level access. No additional named scopes are required beyond a valid Sub-Account access token.
ScopeAccess granted
(location access token)Verify emails and contacts for the authenticated location

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Quick start

Verify an email address: 
curl -X POST "https://services.leadconnectorhq.com/email/verify?locationId=<locationId>" \
  -H "Authorization: Bearer <access_token>" \
  -H "Version: 2021-07-28" \
  -H "Content-Type: application/json" \
  -d '{
    "type": "email",
    "verify": "user@example.com"
  }'

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Endpoints

MethodPathDescription
POST/email/verifyEmail verification
Last modified on March 4, 2026