Requirements
Connecting Postmark takes an active account plus an API access token from your account settings — no other setup is required.[3]
Get your Postmark credentials
Connect Postmark in WEXTL
- Log in to your WEXTL account, add the Postmark node module to your workflow, and click Create new credential.Instant triggers use webhooks — click Create a webhook first when adding one, then create the credential.
- Optional: In the Credential name field, enter a name for the credential.
- Enter the authentication credentials you copied from your Postmark account, or follow the on-screen instructions to create the credential.
- If prompted, authenticate your account and confirm access.
- If you want to make changes to your credential in the future, follow the steps in Manage credentials →
Notes
Credentials are org-scoped; share them with teammates from the Credentials picker on any of its nodes.For detailed information on connecting an application, see Connect an application →
Postmark node modules
The list below is a reference of every Postmark node module the integration supports. You will be able to pick any of them on the workflow canvas while building automations.
Expand any Postmark node module below to see exactly what it takes in, what it returns, and what connection it needs.
Watch BounceTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Watch ClickTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Watch DeliveryTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Watch InboundTrigger
| Field | Type |
|---|---|
| From | |
| To | |
| Subject | text |
Watch OpenTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Watch SMTP API ErrorTrigger
| Field | Type |
|---|---|
| Type | text |
Watch Spam ComplaintTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Watch Subscription ChangeTrigger
| Field | Type |
|---|---|
| Message ID | text |
| Recipient |
Get Inbound MessageSearch
Get Outbound Message DetailsSearch
Get ServerSearch
| Field | Type |
|---|---|
| ID | number |
| Name | text |
List Inbound MessagesSearch
List Message StreamsSearch
List Outbound MessagesSearch
List TemplatesSearch
Create DomainAction
Create Message StreamAction
Create ServerAction
Create TemplateAction
Delete DomainAction
| Field | Type |
|---|---|
DomainRequired | choice |
Delete ServerAction
| Field | Type |
|---|---|
ServerRequired | choice |
Delete TemplateAction
| Field | Type |
|---|---|
TemplateRequired | choice |
Make an API Calluniversal
Send BatchAction
Send Batch With TemplatesAction
Send EmailAction
Send Email With TemplateAction
Set Recipient ActiveAction
Update Message StreamAction
Update ServerAction
Templates
Look for Postmark templates in the WEXTL template library.
Browse templates →Explore alternative apps
- Buttondown[2]Indie newsletter platform for writing, sending, and managing email lists.
- AcumbamailEmail marketing platform for campaigns, lists, and subscriber automation.
- Autocalls AIAI phone agents for outbound and inbound calling, lead qualification, and follow-ups.
- BandwidthEnterprise communications APIs for voice, messaging, and phone number services.
- CallTrackingMetricsCall tracking for businesses, with numbers, texts, and routing.
References
- WEXTL® Postmark Source Code connector implementation.
- Our users use cases and automations.
- Official API Documentation for Postmark.
- WEXTL® visual workflow builder data.
Last updated: Sep 3, 2026 08:05