Postmark ​
Send transactional emails, manage templates, track bounces, and configure webhooks with the Postmark API.
| Detail | Value |
|---|---|
| Category | Communication |
| Base URL | https://api.postmarkapp.com |
| Authentication | API Key |
| Endpoints | 8 |
| Connector key | email |
Using Postmark in a workflow ​
- Go to Connections and click New Connection.
- Pick Postmark from the marketplace.
- Enter your credentials (see Authentication above for what's expected).
- In a workflow, drop an API Call node and select this connection.
- Pick the operation you need from the Operation dropdown — see the table below.
Available Endpoints ​
| Endpoint | Summary |
|---|---|
| POST /email | Send a single email |
| POST /email/batch | Send a batch of up to 500 emails |
| POST /email/withTemplate | Send an email using a saved template |
| GET /bounces | Retrieve bounce records |
| GET /templates | List all email templates |
| POST /templates | Create a new email template |
| GET /messages/outbound | Search sent outbound messages |
| GET /stats/outbound | Get outbound delivery statistics |
Each endpoint has its own page with parameter details, an example
API Callnode configuration, and the response shape.