curl "https://mailinspectors.com/mailverify?email=test@example.com&apiKey={{account.apiKey}}"

Try to enter a wrong email. As soon as you leave the input field the email will be validated by our service.

<form onsubmit="return false">
    <input type="email" id="emailinput" name="email" placeholder="Enter email" onblur="validateEmail()">
    <input name="name" placeholder="name">
    <input type="submit" value="Send form">
</form>

<script>
function validateEmail(){
    var email=document.getElementById("emailinput").value;
    fetch("https://mailinspectors.com/mailverify?apiKey={{account.apiKey}}&email=" + email)
    .then((response) => {
        return response.json();
    })
    .then((myJson) => {
        console.log(myJson);
        if(myJson.status==0) alert("Are you sure your email is correct?");
    });
}
</script>