Email Verifier API

Verify any email address with a simple API call.

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Email verification, automated.

Hunter’s Email Verifier API leverages our renowned email verification algorithm – a leading solution trusted and used by thousands of companies to verify and validate email addresses.

Many advanced use cases require a programmatic email verification solution. With the API, you can bring the reliability of Hunter’s Email Verifier with you wherever you need it.

Build with the
Email Verifier API.

The Email Verifier API allows you to verify the validity of an email address. It takes an email address as input. The Email Verifier API response contains information about whether the email address is valid or not, with a confidence score and additional metadata.
200 OK
  "data" : {
    "status": "valid",
    "score": 100,
    "email" : "",
    "regexp": true,
    "gibberish": false,
    "disposable": false,
    "webmail": false,
    "mx_records": true,
    "smtp_server": true,
    "smtp_check": true,
    "accept_all": false,
    "block": false,
    "sources": [
        "domain": "",
        "uri": "",
        "extracted_on": "2020-06-17",
        "last_seen_on": "2020-06-17",
        "still_on_page": true
        "domain": "",
        "uri": "",
        "extracted_on": "2020-03-25",
        "last_seen_on": "2020-06-29",
        "still_on_page": true
  "meta" : {
    "params" : {
      "email" : ""

Made for builders.

Hunter's API is RESTful, frictionless, and easy to get started with.

Free for everyone.

You don’t need a premium Hunter plan to use our API.

Fast and robust.

Hunter's API can support your tool seamlessly, with fast response times and near 100% uptime.

My company, SparkToro, has used Hunter to power our contact data features for years. It’s not just that we love it; it’s that our customers do. Working with Hunter is easy, the data’s great, our customers are happy; what more could you ask for?
Rand Fishkin CEO at SparkToro

Thinking of a specific workflow?

Browse our native integrations – we might have already built just what you need!

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