Professional Email API Platform

Simplify your email delivery

Send transactional emails, OTP verification and bulk mail with a single API. Integrate in minutes.

curl -X POST https://mailing.willistudio.net/api/mail/send \
  -H "x-api-key: ms_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "user@example.com",
    "subject": "Hello!",
    "html": "<h1>Welcome</h1>"
  }'