Validate email addresses in real-time. Check format, MX records, disposable emails, and more.
https://emailvalidator-fmard.vercel.appX-API-Key: your_key (header) or ?key=your_key (query)
Get your free key below
/api/validate?email=xxx
Validate an email address via query parameter.
email
string
yes
Email address to validate
/api/validate
Validate an email address via request body.
{
"email": "user@example.com"
}{
"email": "user@example.com",
"valid": true,
"format_valid": true,
"mx_valid": true,
"is_disposable": false,
"is_role_based": false,
"is_free_email": true,
"domain": "example.com",
"reason": "Valid email address"
}// 400 — Bad Request
{ "error": "Missing email parameter" }
// 401 — Unauthorized
{ "error": "Invalid API key" }
// 429 — Rate Limited
{ "error": "Daily limit reached. Upgrade your plan." }Get a free API key for 6 requests/day. No credit card required.
X-API-Key: your_key?key=your_keyStart free. Pay only when you need more.