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Connect Postmark

1 auth method · updated 2026-09-10

Postmark is an email delivery service that enables developers to send transactional emails with high deliverability and detailed analytics.

postmarkapp.com ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Postmark
    Open https://postmarkapp.com and sign in to the account you want to connect.
  2. 2
    Create the API key
    Generate a new API key from the API or developer settings in your Postmark dashboard.
  3. 3
    Copy it immediately
    Postmark usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
  4. 4
    Connect in Verslay
    In the Verslay Hub, open Connections, find Postmark, and paste the API key into the Postmark Server API Token field.
  5. 5
    Verify
    The connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
  6. 6
    Rotate safely
    When you rotate later: connect the new credential first, confirm it works, then revoke the old one.

What you’ll paste into Verslay

Postmark Server API Token

The Server API Token used for authenticating Postmark API requests. This token is unique to each server and can be found in the API Tokens tab under your Postmark server.

required · secret
Postmark website ↗

Connect Postmark once — every agent can use it

Verslay agents share your connections. Connect Postmark in the Hub and every use-case that needs it lights up — no per-agent setup.

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