Connectors

Marketing & Customer Engagement

Postmark

Transactional email: send messages, templates, and track delivery and bounces
Postmark API referenceAPI checked August 18, 2026
Signs in with
Connection fields
Runs on
Cloud or On-Prem Worker
Operations
85
Ready-made triggers
2

Connect Postmark

  1. In Neblex open Connect › Connections and click New Connection.
  2. Search for Postmark and give the connection a clear name.
  3. Fill in the fields. Secret values are encrypted and never shown again.
  4. Click Test, then Create Connection.
FieldWhat to enter
Server tokenOptionalSecretPostmark server API token; required only by server-tier operations.
Account tokenOptionalSecretPostmark account API token; required only by account-tier operations.

Triggers

Start a flow when something changes in Postmark: add a Poll for changes trigger, choose Postmark and pick the event.

EventWhat it doesHow
Bounce receivedA message bounced.Checks for changes by BouncedAt
Inbound message receivedA message arrived on the inbound stream.Checks for changes by ReceivedAt

Use it in a flow

  1. Open a flow, open the node library and search for Postmark.
  2. Drag it onto the canvas and choose an Operation and your connection.
  3. Map the operation's fields from earlier steps, or click Map with Matt.
  4. Use Test this step to see what it returns, then save.

Operations

85 operations in 14 groups. Each one is a step you can add to a flow.

Bounces4
Activate BounceactivateBouncePUTPostmark server-token API: PUT /bounces/{id}/activate.
Get BouncegetBounceGETPostmark server-token API: GET /bounces/{id}.
Get Bounce DumpgetBounceDumpGETPostmark server-token API: GET /bounces/{id}/dump.
List BounceslistBouncesGETPostmark server-token API: GET /bounces.
Data Removals2
Account Get Data Removal StatusaccountGetDataRemovalStatusGETPostmark account-token API: GET /data-removals/{id}.
Account Request Data RemovalaccountRequestDataRemovalPOSTPostmark account-token API: POST /data-removals.
Deliverystats1
Get Delivery StatsgetDeliveryStatsGETPostmark server-token API: GET /deliveryStats.
Domains9
Account Create DomainaccountCreateDomainPOSTPostmark account-token API: POST /domains.
Account Delete DomainaccountDeleteDomainDELETEPostmark account-token API: DELETE /domains/{id}.
Account Edit DomainaccountEditDomainPUTPostmark account-token API: PUT /domains/{id}.
Account Get DomainaccountGetDomainGETPostmark account-token API: GET /domains/{id}.
Account Get DomainsaccountGetDomainsGETPostmark account-token API: GET /domains.
Account Rotate Domain DkimaccountRotateDomainDKIMPOSTPostmark account-token API: POST /domains/{id}/rotateDKIM.
Account Verify Domain DkimaccountVerifyDomainDKIMPUTPostmark account-token API: PUT /domains/{id}/verifyDKIM.
Account Verify Domain Return PathaccountVerifyDomainReturnPathPUTPostmark account-token API: PUT /domains/{id}/verifyReturnPath.
Account Verify Domain SpfaccountVerifyDomainSPFPOSTPostmark account-token API: POST /domains/{id}/verifySPF.
Email6
Get Bulk Email StatusgetBulkEmailStatusGETPostmark server-token API: GET /email/bulk/{bulkRequestId}.
Send BatchsendBatchPOSTPostmark server-token API: POST /email/batch.
Send Batch With TemplatessendBatchWithTemplatesPOSTPostmark server-token API: POST /email/batchWithTemplates.
Send Bulk EmailsendBulkEmailPOSTPostmark server-token API: POST /email/bulk.
Send EmailsendEmailPOSTPostmark server-token API: POST /email.
Send With TemplatesendWithTemplatePOSTPostmark server-token API: POST /email/withTemplate.
Message Streams9
Archive Message StreamarchiveMessageStreamPOSTPostmark server-token API: POST /message-streams/{id}/archive.
Create Message StreamcreateMessageStreamPOSTPostmark server-token API: POST /message-streams.
Create SuppressionscreateSuppressionsPOSTPostmark server-token API: POST /message-streams/{messageStream}/suppressions.
Delete SuppressionsdeleteSuppressionsPOSTPostmark server-token API: POST /message-streams/{messageStream}/suppressions/delete.
Dump SuppressionsdumpSuppressionsGETPostmark server-token API: GET /message-streams/{messageStream}/suppressions/dump.
Get Message StreamgetMessageStreamGETPostmark server-token API: GET /message-streams/{id}.
List Message StreamslistMessageStreamsGETPostmark server-token API: GET /message-streams.
Unarchive Message StreamunarchiveMessageStreamPOSTPostmark server-token API: POST /message-streams/{id}/unarchive.
Update Message StreamupdateMessageStreamPATCHPostmark server-token API: PATCH /message-streams/{id}.
Messages11
Bypass Inbound RulesbypassInboundRulesPUTPostmark server-token API: PUT /messages/inbound/{messageId}/bypass.
Get Inbound MessagegetInboundMessageGETPostmark server-token API: GET /messages/inbound/{messageId}/details.
Get Message ClicksgetMessageClicksGETPostmark server-token API: GET /messages/outbound/clicks/{messageId}.
Get Message OpensgetMessageOpensGETPostmark server-token API: GET /messages/outbound/opens/{messageId}.
Get Outbound MessagegetOutboundMessageGETPostmark server-token API: GET /messages/outbound/{messageId}/details.
Get Outbound Message DumpgetOutboundMessageDumpGETPostmark server-token API: GET /messages/outbound/{messageId}/dump.
List Message ClickslistMessageClicksGETPostmark server-token API: GET /messages/outbound/clicks.
List Message OpenslistMessageOpensGETPostmark server-token API: GET /messages/outbound/opens.
Retry Inbound MessageretryInboundMessagePUTPostmark server-token API: PUT /messages/inbound/{messageId}/retry.
Search Inbound MessagessearchInboundMessagesGETPostmark server-token API: GET /messages/inbound.
Search Outbound MessagessearchOutboundMessagesGETPostmark server-token API: GET /messages/outbound.
Senders8
Account Create Sender SignatureaccountCreateSenderSignaturePOSTPostmark account-token API: POST /senders.
Account Delete Sender SignatureaccountDeleteSenderSignatureDELETEPostmark account-token API: DELETE /senders/{id}.
Account Edit Sender SignatureaccountEditSenderSignaturePUTPostmark account-token API: PUT /senders/{id}.
Account Get Sender SignatureaccountGetSenderSignatureGETPostmark account-token API: GET /senders/{id}.
Account Get Sender SignaturesaccountGetSenderSignaturesGETPostmark account-token API: GET /senders.
Account Request New Dkimfor Sender SignatureaccountRequestNewDKIMForSenderSignaturePOSTPostmark account-token API: POST /senders/{id}/requestNewDkim.
Account Resend Sender Signature ConfirmationaccountResendSenderSignatureConfirmationPOSTPostmark account-token API: POST /senders/{id}/resend.
Account Verify Sender Signature SpfaccountVerifySenderSignatureSPFPOSTPostmark account-token API: POST /senders/{id}/verifySpf.
Server2
Edit ServereditServerPUTPostmark server-token API: PUT /server.
Get ServergetServerGETPostmark server-token API: GET /server.
Servers5
Account Create ServeraccountCreateServerPOSTPostmark account-token API: POST /servers.
Account Delete ServeraccountDeleteServerDELETEPostmark account-token API: DELETE /servers/{id}.
Account Edit ServeraccountEditServerPUTPostmark account-token API: PUT /servers/{id}.
Account Get ServeraccountGetServerGETPostmark account-token API: GET /servers/{id}.
Account Get ServersaccountGetServersGETPostmark account-token API: GET /servers.
Stats13
Bounce CountsbounceCountsGETPostmark server-token API: GET /stats/outbound/bounces.
Click Browser FamiliesclickBrowserFamiliesGETPostmark server-token API: GET /stats/outbound/clicks/browserFamilies.
Click CountsclickCountsGETPostmark server-token API: GET /stats/outbound/clicks.
Click LocationsclickLocationsGETPostmark server-token API: GET /stats/outbound/clicks/location.
Click PlatformsclickPlatformsGETPostmark server-token API: GET /stats/outbound/clicks/platforms.
Get Email Open Read TimesgetEmailOpenReadTimesGETPostmark server-token API: GET /stats/outbound/opens/readTimes.
Open CountsopenCountsGETPostmark server-token API: GET /stats/outbound/opens.
Open Email ClientsopenEmailClientsGETPostmark server-token API: GET /stats/outbound/opens/emailClients.
Open PlatformsopenPlatformsGETPostmark server-token API: GET /stats/outbound/opens/platforms.
Outbound OverviewoutboundOverviewGETPostmark server-token API: GET /stats/outbound.
Sent CountssentCountsGETPostmark server-token API: GET /stats/outbound/sends.
Spam ComplaintsspamComplaintsGETPostmark server-token API: GET /stats/outbound/spam.
Tracked CountstrackedCountsGETPostmark server-token API: GET /stats/outbound/tracked.
Templates7
Create TemplatecreateTemplatePOSTPostmark server-token API: POST /templates.
Delete TemplatedeleteTemplateDELETEPostmark server-token API: DELETE /templates/{idOrAlias}.
Get TemplategetTemplateGETPostmark server-token API: GET /templates/{idOrAlias}.
List TemplateslistTemplatesGETPostmark server-token API: GET /templates.
Push TemplatespushTemplatesPUTPostmark account-token API: PUT /templates/push.
Update TemplateupdateTemplatePUTPostmark server-token API: PUT /templates/{idOrAlias}.
Validate TemplatevalidateTemplatePOSTPostmark server-token API: POST /templates/validate.
Triggers3
Create Inbound Rule TriggercreateInboundRuleTriggerPOSTPostmark server-token API: POST /triggers/inboundRules.
Delete Inbound Rule TriggerdeleteInboundRuleTriggerDELETEPostmark server-token API: DELETE /triggers/inboundRules/{id}.
Get Inbound Rule TriggersgetInboundRuleTriggersGETPostmark server-token API: GET /triggers/inboundRules.
Webhooks5
Create WebhookcreateWebhookPOSTPostmark server-token API: POST /webhooks.
Delete WebhookdeleteWebhookDELETEPostmark server-token API: DELETE /webhooks/{id}.
Get WebhookgetWebhookGETPostmark server-token API: GET /webhooks/{id}.
List WebhookslistWebhooksGETPostmark server-token API: GET /webhooks.
Update WebhookupdateWebhookPUTPostmark server-token API: PUT /webhooks/{id}.