Overview
To authenticate with Postmark, you need:- Server API Token — the API token of the Postmark server you want to connect.
Prerequisites
- A Postmark account. If you don’t have one, sign up: every account starts on the free Developer plan, which includes 100 emails every month.
Step 1: Copy your Server API token
- Sign in to Postmark and open Servers.
- Select the server you want to connect, or click Create server to make a new one.

- Open the server’s API Tokens tab.
- Copy the token under Server API tokens. Click Generate another token if you want a separate token for this connection.

Step 2: Enter your Server API token in the Connect UI
- Open the form where you need to authenticate with Postmark.
- Enter your token in the Server API Token field.
- Submit the form, and you should be successfully authenticated.
