Sendgrid

A cloud-based SMTP provider that allows you to send emails without having to maintain email servers

API KeyHTTPSCORS ?

Auth

apiKey

HTTPS

Yes

CORS

Unknown

API URL

mailboxlayer

Email address validation

Cloudmersive Validate

Validate email addresses, phone numbers, VAT numbers and domain names

Disify

Validate and detect disposable and temporary email addresses