Latenode
Slack
WhatsApp Business Cloud

Automatically notify WhatsApp on new Slack channel messages

This automation allows users to seamlessly connect their Slack and WhatsApp communication channels. Whenever a new message is posted to a specified Slack channel, the system will automatically generate a corresponding notification that is sent to the user's selected WhatsApp contact.

This integration helps teams and external stakeholders stay informed of important updates in real-time, across multiple platforms. It streamlines communication efforts by ensuring that crucial information from team conversations is efficiently relayed to WhatsApp, the preferred messaging app for many users.

Updated Apr 2, 2026Est. run: 8sEst. cost: $0.0005
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
Collaboration & notifications

Workflow preview

What this template does

  • Captures new messages posted in a Slack channel
  • Generates WhatsApp notifications for those Slack messages
  • Sends the WhatsApp notifications to a specified contact
  • Enables teams to stay informed across Slack and WhatsApp
  • Provides a record of Slack discussions in WhatsApp

How it works

1
Trigger

Monitor Slack Channel

The system continuously monitors a specified Slack channel for new messages.

2
Logic

Detect New Message

Whenever a new message is posted to the Slack channel, the system detects and processes the new message content.

3
Action

Transform Message for WhatsApp

The system transforms the Slack message data into a format suitable for a WhatsApp notification.

4
Action

Send WhatsApp Notification

The transformed message data is then sent as a notification to the user's selected WhatsApp contact.

Setup guide

1

Add Slack Credential

1. Go to the Latenode Credentials panel and add a new credential for Slack. Connect your Slack workspace by following the OAuth flow.

2

Configure Slack Trigger Node

1. In the Latenode visual builder, add a Slack trigger node. 2. Select the Slack credential you added earlier. 3. Choose the specific Slack channel you want to monitor for new messages.

3

Add WhatsApp Credential

1. Go to the Latenode Credentials panel and add a new credential for WhatsApp Business Cloud. Follow the steps to connect your WhatsApp Business account.

4

Configure WhatsApp Action Node

1. In the Latenode visual builder, add a WhatsApp Business Cloud action node. 2. Select the WhatsApp credential you added earlier. 3. Configure the WhatsApp contact and message template you want to use for the notifications.

5

Map Data Fields

1. In the Latenode visual builder, map the relevant data fields from the Slack trigger node to the WhatsApp action node (e.g. message content).

Requirements

Connect a Slack workspace and channel where new messages will be monitored
Connect a WhatsApp Business Cloud API account to send notifications
Authorize the integration to access the Slack workspace and channel
Authorize the integration to send messages via the WhatsApp Business Cloud API

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
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