Disify API
Overview
Disify is a free, no-auth API that checks whether an email address or domain belongs to a known disposable or temporary email service. It helps protect sign-up forms and contact forms from throwaway addresses with a simple GET request. No API key is required, making it the fastest way to add disposable email detection to your app.
Beginner Tip
You can check an email in one GET request with no setup at all — just replace the email in the URL path and you get a JSON response instantly. Cache results for the same domain to avoid redundant requests, since disposable domain status rarely changes.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://www.disify.com/api/email/[email protected]
- Result
- HTTP 200 · application/json · 364 bytes · compressed
- Response time
- 1086 ms (median of 3) · fastest 1019 ms
- Transport
- TLSv1.3 · TLS_AES_256_GCM_SHA384 · certificate issued by Google Trust Services
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Rate limit
- 30 per window (29 remaining at test time)
- Served by
- cloudflare
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| format | boolean | true |
| domain | string | tempmail.com |
| disposable | boolean | true |
| dns | boolean | true |
| confidence | integer | 80 |
| signals | array | [1 item] |
| domain_info | object | {3 fields} |
| mx_info | array | [1 item] |
| role | boolean | false |
| free | boolean | false |
Captured Response
Captured from a real request to https://www.disify.com/api/email/[email protected] on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
{
"format": true,
"domain": "tempmail.com",
"disposable": true,
"dns": true,
"confidence": 80,
"signals": [
"keyword_match"
],
"domain_info": {
"tld": "com",
"is_subdomain": false,
"parent_domain": null
},
"mx_info": [
"park-mx.above.com"
],
"role": false,
"free": false
} Field Reference
format Whether the email address has a valid format dns Whether the email domain has a valid DNS record disposable Whether the email domain is a known disposable or temporary email provider domain The domain portion extracted from the email address Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://www.disify.com/";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
Technical Specifications
Related Tags
Alternatives to Disify
Technical alternatives for different use cases.
Specialized in detecting disposable email addresses
Full email deliverability checking
Blocking temporary/disposable email signups
Detects disposable/temporary email addresses
Full email deliverability verification
Blocking signups from disposable email services
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