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Connect Slack to WhatsApp Business in two minutes.

Real-time triggers from Slack, ready-made actions in WhatsApp Business. 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
WhatsApp Business as the action

Workflows do something in WhatsApp Business, instantly.

Both directions

Pick the way that fits your stack.

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

SlackWhatsApp Business

When something happens in Slack, do it in WhatsApp Business.

13 Slack triggers wired to 3 WhatsApp Business actions. Most-used pairing: App Home OpenedSend Image.

WhatsApp BusinessSlack

Or fire it the other way around.

2 WhatsApp Business triggers wired to 45 Slack actions downstream.

See WhatsApp BusinessSlack
Popular pairings

Common Slack → WhatsApp Business 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, send image in WhatsApp Business.

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, send message in WhatsApp Business.

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, send template message in WhatsApp Business.

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, send image in WhatsApp Business.

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, send message in WhatsApp Business.

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, send template message in WhatsApp Business.

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, send image in WhatsApp Business.

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, send message in WhatsApp Business.

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, send template message in WhatsApp Business.

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 WhatsApp Business in five steps.

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

  1. 1
    Connect
    Authorize Slack and WhatsApp Business

    Open Tiny Command, authorize Slack and WhatsApp Business 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. Tiny Command 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 WhatsApp Business action

    Drop the WhatsApp Business → Send Image action below it. Map fields from the Slack payload into the WhatsApp Business inputs.

    whatsapp.send-image
  5. 5
    Publish
    Publish and forget

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

FAQ

Questions about Slack + WhatsApp Business.

How long does it take to connect Slack and WhatsApp Business on Tiny Command?
Under two minutes. Authorize Slack and WhatsApp Business once each, drop the Slack trigger and WhatsApp Business action onto a workflow canvas, map a couple of fields, and publish. No code, no glue.
Is the Slack ↔ WhatsApp Business integration real-time?
Yes. Both Slack and WhatsApp Business 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 WhatsApp Business?
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 WhatsApp Business.
What Slack events can trigger a WhatsApp Business 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 WhatsApp Business?
No. There's a free tier that covers most Slack+WhatsApp Business use cases without a credit card. Paid plans unlock higher run volumes and team features when you outgrow it.
What if I want WhatsApp Business → Slack instead?
Build it the same way, in reverse. There's a dedicated /integrations/whatsapp/with/slack page with the reverse-direction triggers and actions.
Related

Other apps that pair well with Slack.


Wire Slack to WhatsApp Business in 2 minutes.

Free tier available. No credit card. No onboarding call.