Free & No API Key Needed

Disposable Email Detection API

Block disposable and temporary email signups with a single HTTP request. Free to use, no API key required.

Free

No API key needed

2,000

Requests / IP / month

1 req/s

Rate limit per IP

Quick Start

Make a GET request to check any email address or domain:

GET

curl "https://skipsend.com/api/v1/check/[email protected]"

Response
{
  "domain": "tempmail.com",
  "skip": true,
  "disposable": true,
  "provider": "Temp Mail",
  "no_mx": false,
  "cf_routed": false
}

Endpoint

GET https://skipsend.com/api/v1/check/

Query Parameters

Parameter	Type	Required	Description
`email`	string	Yes	Email address or domain

Response Fields

Field	Type	Description
`domain`	string	The domain that was checked
`skip`	boolean	`true` if you should reject signups from this domain — set when any of `disposable`, `no_mx`, or `cf_routed` is true
`disposable`	boolean	`true` if the domain is a known disposable/temporary email provider
`provider`	string \| null	Disposable provider name, or `null`
`no_mx`	boolean	`true` if the domain has no MX records and cannot receive email
`cf_routed`	boolean	`true` if the domain uses Cloudflare Email Routing

Examples

Check an email address

Request

curl "https://skipsend.com/api/v1/check/[email protected]"

Response — 200
{
  "domain": "guerrillamail.com",
  "skip": true,
  "disposable": true,
  "provider": "Guerrilla Mail",
  "no_mx": false,
  "cf_routed": false
}

Check a domain

Request

curl "https://skipsend.com/api/v1/check/?email=gmail.com"

Response — 200
{
  "domain": "gmail.com",
  "skip": false,
  "disposable": false,
  "provider": null,
  "no_mx": false,
  "cf_routed": false
}

Python

python
import requests

resp = requests.get("https://skipsend.com/api/v1/check/", params={"email": "[email protected]"})
data = resp.json()

if data["skip"]:
    print(f"Skip {data['domain']}")
else:
    print(f"{data['domain']} looks safe")

JavaScript (fetch)

javascript
const res = await fetch("https://skipsend.com/api/v1/check/[email protected]");
const data = await res.json();
console.log(data.skip ? "Skip" : "Safe");

Error Responses

All errors return a JSON body with error and message fields.

Missing parameter 400

{
  "error": "missing_parameter",
  "message": "The 'email' parameter is required"
}

Invalid email format 400

{
  "error": "invalid_email",
  "message": "Invalid email format"
}

Invalid domain format 400

{
  "error": "invalid_domain",
  "message": "Invalid domain format"
}

Rate Limits

2,000 requests per IP per month — resets on the 1st of each month
1 request per second per IP address
No API key or signup required
Exceeding the limit returns 429 Too Many Requests

Need higher limits? Contact us for a custom plan.

Try It Live

Enter an email or domain to test the API right here.