Classify any email address in one API call
Detect Google Workspace vs Gmail, Microsoft 365 vs Outlook.com, business vs personal, disposable vs real. One request. One JSON.
Try it live
Built for developers who need to know
Qualify B2B Signups
Instantly identify if an email is a real business account or a free personal one.
Block Fake Accounts
Block disposable and personal emails at signup to reduce fraud.
Enrich Lead Data
Add provider and type information to your CRM leads automatically.
Segment Your Users
Treat business and personal users differently from day one.
Protect Free Trials
Prevent trial abuse via disposable email addresses.
Clean Your Lists
Identify personal emails hiding in your B2B mailing lists.
Simple to integrate
curl "https://api.emailclassifier.com/v1/[email protected]" \
-H "Authorization: Bearer sk_live_your_api_key"
# Response:
{
"success": true,
"domain": "stripe.com",
"provider": {
"id": "google_workspace",
"name": "Google Workspace",
"type": "business"
},
"classification": {
"is_business": true,
"is_free": false,
"is_disposable": false,
"is_custom_domain": true
},
"confidence": 0.98
}
How it works
Get your API key
Sign up for free and get your API key instantly.
Send a request
A simple GET request with the email to classify.
Get the classification
Structured JSON with provider, type, and confidence score.
Simple, transparent pricing
Start free. Scale as you grow.
Free
500 requests/month
- ✓ 500 requests/month
- ✓ 1 API keys
- ✓ Full classification
Starter
5,000 requests/month
- ✓ 5,000 requests/month
- ✓ 3 API keys
- ✓ Custom whitelist/blacklist
- ✓ Email support
Growth
25,000 requests/month
- ✓ 25,000 requests/month
- ✓ 5 API keys
- ✓ Custom whitelist/blacklist
- ✓ Priority support
Scale
100,000 requests/month
- ✓ 100,000 requests/month
- ✓ 10 API keys
- ✓ Custom whitelist/blacklist
- ✓ Priority support