--- title: 'Postmark' description: 'Send transactional emails, manage templates, track bounces, and configure webhooks with the Postmark API.' --- # 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 1. Go to **Connections** and click **New Connection**. 2. Pick **Postmark** from the marketplace. 3. Enter your credentials (see Authentication above for what's expected). 4. In a workflow, drop an **API Call** node and select this connection. 5. Pick the operation you need from the Operation dropdown — see the table below. ## Available Endpoints | Endpoint | Summary | |---|---| | [POST /email](./post_email_email_send) | Send a single email | | [POST /email/batch](./post_email_batch_email_sendbatch) | Send a batch of up to 500 emails | | [POST /email/withTemplate](./post_email_withtemplate_email_sendwithtemplate) | Send an email using a saved template | | [GET /bounces](./get_bounces_email_listbounces) | Retrieve bounce records | | [GET /templates](./get_templates_email_listtemplates) | List all email templates | | [POST /templates](./post_templates_email_createtemplate) | Create a new email template | | [GET /messages/outbound](./get_messages_outbound_email_searchoutbound) | Search sent outbound messages | | [GET /stats/outbound](./get_stats_outbound_email_getstats) | Get outbound delivery statistics | > Each endpoint has its own page with parameter details, an example > `API Call` node configuration, and the response shape.