MailDomainCheck API

The MailDomainCheck API allows you to programmatically check email domains and get detailed information about their reliability, MX records, and potential risks.

🚧 Beta Phase: The API is currently in beta testing and not yet publicly available. We are working to make the API accessible to all users.

Pricing

API Access

€0.06

per request

✅ Real-time domain verification
✅ MX record analysis
✅ Disposable email detection
✅ Risk assessment
✅ JSON response format

Free Usage

Via Website

unlimited

✅ Manual checks via website
✅ Detailed domain reports
✅ AI-generated summaries
✅ MX record details
✅ No registration required

API Endpoints

POST /api/search

Search for a domain or email address and get basic information.

Request:

{
  "query": "gmail.com",
  "language": "en"
}

Response:

{
  "success": true,
  "redirect_url": "/en/check/gmail_dot_com/"
}

GET /api/domain/{domain}

Get detailed information about a specific domain (requires API key).

Request:

GET /api/domain/gmail.com
Headers:
  X-API-Key: your-api-key

Response:

{
  "domain": "gmail.com",
  "category": "good",
  "category_confidence": "high",
  "has_mx_records": true,
  "has_website": true,
  "mx_records": [...],
  "risk_score": 0,
  "summary": "..."
}

Use Cases

E-commerce platforms: Automatic validation of customer email addresses during registration
SaaS applications: Spam and fake account protection
Newsletter services: Email list quality improvement
Forms: Real-time email input validation
Security systems: Detection of suspicious registrations

Beta Program

We are looking for beta testers for our API! If you are interested in using the API in your project and providing us with feedback, please contact us via our Imprint.

⚠️ Note: During the beta phase, API endpoints, pricing, and features may still change. We will inform beta testers in advance about planned changes.