Email Count API

This endpoint enables you to count the number of emails we have stored in our database for a given domain.


This endpoint is free to use.



curl -X POST \
 -H "Content-Type: application/json" \
 -H "X-KEY: your_api_key" \
 -d '{"domain": ""}' \


The following parameter is required:

domainstringThe domain for which to count the emails. Can be in the form of a full website URL or just a domain.


A successful request will return the following information:

    "error": false,
    "response": {
        "count": 845
errorbooleanIndicates if an error has occurred. If false, the request was successful. If true, an error has occurred. Please check our general error message for more details.
countintegerThe total number of emails that we have linked to the given domain in our database.

Error handling

Error messages follow the general structure as explained in the Error Codes section.


If you need further assistance, feel free to contact us at [email protected].

Response time

The response time for this endpoint is nearly instantaneous, and it will not exceed 500 milliseconds.