Per-pair page

Connect Slack to Postmark in two minutes.

Real-time triggers from Slack, ready-made actions in Postmark. Filter, transform, and route without writing a line of code.

Trigger app
Slack as the trigger

Workflows fire when something happens in Slack.

See all 13 triggers →
Action app
Postmark as the action

Workflows do something in Postmark, instantly.

Connect Slack to Postmark — start free
Both directions

Pick the way that fits your stack.

Pair pages are mirrored. Each direction gets its own dedicated page.

Slack → Postmark

When something happens in Slack, do it in Postmark.

13 Slack triggers wired to 3 Postmark actions. Most-used pairing: App Home Opened → Postmark Get Delivery Stats.

Postmark → Slack

Or fire it the other way around.

6 Postmark triggers wired to 45 Slack actions downstream.

See Postmark → Slack →
Popular pairings

Common Slack → Postmark workflows.

Pick a pairing to set it up in two minutes. Each one is a fully editable recipe.

Showing 9 of 39 combinations
When app home opened in Slack, postmark get delivery stats in Postmark.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app home opened in Slack, postmark send email in Postmark.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app home opened in Slack, postmark send template email in Postmark.

Fires when a user opens your Slack app's Home tab or DM. Useful for refreshing the Home view, lazy-loading user-specific data, or tracking app engagement.

When app mentioned in Slack, postmark get delivery stats in Postmark.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When app mentioned in Slack, postmark send email in Postmark.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When app mentioned in Slack, postmark send template email in Postmark.

Fires when your Slack app is mentioned in a message. The standard hook for chatbots that answer when summoned with @your-app.

When new channel in Slack, postmark get delivery stats in Postmark.

Fires when a new Slack channel is created in the workspace. Useful for auto-adding the bot, welcome messages, or governance audit logs.

When new channel in Slack, postmark send email in Postmark.

Fires when a new Slack channel is created in the workspace. Useful for auto-adding the bot, welcome messages, or governance audit logs.

When new channel in Slack, postmark send template email in Postmark.

Fires when a new Slack channel is created in the workspace. Useful for auto-adding the bot, welcome messages, or governance audit logs.

How it works

Connect Slack and Postmark in five steps.

No code, no glue, no half-day setup. Each step is one click.

  1. 1
    Connect
    Authorize Slack and Postmark

    Open TinyCommand, authorize Slack and Postmark once each. Both connections are available to every workflow on your account.

  2. 2
    Trigger
    Pick a Slack trigger

    Drop the Slack → App Home Opened trigger onto the canvas. TinyCommand auto-registers the webhook.

    POST /v1/webhooks/slack.trigger-app-home-opened
  3. 3
    Transform
    Add a filter or AI step

    Optionally add a Filter node ("subject contains URGENT") or an AI step ("classify intent") between trigger and action.

  4. 4
    Action
    Add the Postmark action

    Drop the Postmark → Postmark Get Delivery Stats action below it. Map fields from the Slack payload into the Postmark inputs.

    postmark.get-delivery-stats
  5. 5
    Publish
    Publish and forget

    Hit Publish. TinyCommand runs it in production from second one. Watch the run-log fill up.

FAQ

Questions about Slack + Postmark.

How long does it take to connect Slack and Postmark on TinyCommand?
Under two minutes. Authorize Slack and Postmark once each, drop the Slack trigger and Postmark action onto a workflow canvas, map a couple of fields, and publish. No code, no glue.
Is the Slack ↔ Postmark integration real-time?
Yes. Both Slack and Postmark expose webhooks, so events from one fire workflows in the other within seconds rather than on a polling interval.
Can I filter or transform data between Slack and Postmark?
Yes. Add a Filter node to only pass through matching events, a Switch node to branch by value, or an AI / Code node to transform payloads before they hit Postmark.
What Slack events can trigger a Postmark workflow?
Any of the 13 Slack triggers, including "App Home Opened". Each fires in real time when the matching event happens in Slack.
Do I need a paid plan to use Slack with Postmark?
No. There's a free tier that covers most Slack+Postmark use cases without a credit card. Paid plans unlock higher run volumes and team features when you outgrow it.
What if I want Postmark → Slack instead?
Build it the same way, in reverse. There's a dedicated /integrations/postmark/with/slack page with the reverse-direction triggers and actions.
Related

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Slack + Google Sheets
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+
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+
Slack + Stripe
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+
Slack + Notion
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+
Slack + Airtable
Spreadsheets & Databases

Connect Slack to Postmark — start free