---
title: Postmark credentials
description: Documentation for Postmark credentials. Use these credentials to authenticate Postmark in n8n, a workflow automation platform.
contentType: [integration, reference]
---

# Postmark credentials

You can use these credentials to authenticate the following nodes:

- [Postmark Trigger](/integrations/builtin/trigger-nodes/n8n-nodes-base.postmarktrigger.md)

## Prerequisites

Create a [Postmark](https://postmarkapp.com/) account on a Postmark server.

## Supported authentication methods

- API token

## Related resources

Refer to [Postmark's API documentation](https://postmarkapp.com/developer/api/overview) for more information about the service.

## Using API token

To configure this credential, you'll need:

- A **Server API Token**: The Server API token is accessible by Account Owners, Account Admins, and users who have Server Admin privileges on a server. Get yours from the [**API Tokens**](https://account.postmarkapp.com/api_tokens) tab under your Postmark server. Refer to [API Authentication](https://postmarkapp.com/developer/api/overview#authentication) for more information.