Free to use, no account needed
Tools & Resources
Free tools, templates, and resources from the Hitori Tech team to help you build and scale faster.
Single Email Checker
Check any email address instantly. Get back a deliverability score (0–100), risk classification, and full MX/DNS status. No account required.
- Syntax & format validation
- MX record & DNS lookup
- SMTP mailbox verification
- Spam trap detection
- Disposable email detection
- Deliverability confidence score
Bulk List Verification
Upload a CSV with up to 100,000 addresses. Get back a scored file with valid/invalid/risky classifications you can filter and export directly into your ESP.
-
1
Upload your CSV
Drag-and-drop or paste email addresses. Accepts .csv, .txt, and .xlsx files.
-
2
Set your risk threshold
Choose your confidence threshold (e.g., keep only scores ≥70). Below-threshold addresses are flagged for review.
-
3
Download your clean list
Export valid addresses as CSV with confidence scores. Import directly into Mailchimp, HubSpot, or any ESP.
Real-Time Verification API
Integrate email verification directly into your signup flows, CRM workflows, or data pipelines. One endpoint, one API call, sub-50ms response.
- REST API with JSON responses
- Under 50ms P99 response time
- SDKs: Node.js, Python, PHP, Go
- Webhook support for async results
- 99.9% uptime SLA
- Rate limit: 1,000 req/min (Starter)
const response = await fetch(
'https://hitoritech.com',
{
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
email: '[email protected]'
})
}
);
const result = await response.json();
// {
// "email": "[email protected]",
// "valid": true,
// "score": 94,
// "risk": "low",
// "is_disposable": false,
// "is_spam_trap": false,
// "mx_found": true
// }