Email
Test Your Postmark API Key
Test your Postmark Server Token with the email sending endpoint. Securely validate your credentials.
PostmarkServer Side Only
Test your Postmark Server Token with the email sending endpoint
Terminal Required
This API cannot be tested directly in the browser due to CORS or security restrictions. Use the generated command below in your terminal.
curl "https://api.postmarkapp.com/email" \
-X POST \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
-H "X-Postmark-Server-Token: " \
-d '{
"From": "sender@example.com",
"To": "receiver@example.com",
"Subject": "Postmark test",
"TextBody": "Hello dear Postmark user.",
"HtmlBody": "<html><body><strong>Hello</strong> dear Postmark user.</body></html>",
"MessageStream": "outbound"
}'