Communication tools are essential for modern teams, especially those working remotely or across global locations. WhatsApp and Slack are two of the most commonly used platforms for messaging and collaboration. While WhatsApp offers simple, fast mobile communication, Slack excels at workplace collaboration and tool integration. Connecting WhatsApp with Slack can help centralize communication, reduce the need to switch between apps, and ensure that team updates are never missed. This tutorial explores how to integrate WhatsApp with Slack effectively.
Contents
Why Integrate WhatsApp with Slack?
Integrating WhatsApp with Slack provides several advantages:
- Centralized Notifications: Streamline alerts and messages into one platform.
- Improved Response Time: Respond to WhatsApp messages more efficiently via Slack channels.
- Better Team Collaboration: Share customer queries in Slack directly from WhatsApp for group support.

Methods to Connect WhatsApp with Slack
There are a few different ways to connect WhatsApp with Slack, each suited to different technical levels and business needs. The methods include using third-party tools, automation platforms, or building a custom integration via APIs.
1. Using Third-party Integrations (e.g., Zapier, Make)
Automation platforms like Zapier or Make (formerly Integromat) provide pre-built apps to connect WhatsApp and Slack:
- Sign up or log in to Zapier or Make.
- Create a new Zap or Scenario with WhatsApp as the trigger app and Slack as the action app.
- Connect WhatsApp Business API (via a provider like Twilio, 360dialog, or Vonage).
- Set rules such as “When a new WhatsApp message is received, send it to a Slack channel.”
- Test and activate the integration.
Note: WhatsApp integration on platforms like Zapier typically requires a WhatsApp Business API account, which may have setup and usage costs.
2. Using Slack Bots
Some companies offer bots designed specifically to bridge the gap between WhatsApp and Slack. Services like Twilio or 360dialog come with prebuilt bots or webhooks that can forward WhatsApp messages into Slack channels or even allow Slack users to send messages to WhatsApp users.
The process often looks like this:
- Sign up for a WhatsApp Business API provider.
- Create a bot or webhook using the provider’s dashboard.
- Configure the bot to send incoming WhatsApp messages to a Slack webhook URL.
- (Optional) Set up message routing and conditions.

3. Building a Custom Integration
For those with technical resources, building a custom integration gives full control and flexibility. This method involves:
- Using the WhatsApp Business API to receive and send messages.
- Creating a middleware application (e.g., using Node.js, Python) to capture messages.
- Forwarding messages to Slack using their Web API or Incoming Webhooks.
- Handling responses and formatting.
While this option requires coding expertise, it’s ideal for organizations with specific needs or high message volumes.
Best Practices
- Privacy First: Ensure that customer data is handled securely and in compliance with data protection laws.
- Use a Dedicated Channel: Create a specific Slack channel for WhatsApp messages to avoid clutter.
- Monitor Message Volume: Set boundaries or filters to prevent overload in Slack.
FAQs
- Q: Can I connect personal WhatsApp with Slack?
A: No. Only WhatsApp Business API accounts can be legally and technically integrated with Slack. - Q: Do I need coding skills to connect WhatsApp with Slack?
A: Not necessarily. Tools like Zapier or Make help non-developers set up the integration with minimal coding. - Q: Are there any costs involved in the integration?
A: Yes. While Slack is often free for small teams, WhatsApp Business API accounts via providers like Twilio may charge based on usage or monthly plans. - Q: Can I send messages from Slack to WhatsApp users?
A: Yes, but only with WhatsApp Business API and proper permissions. Not all third-party tools support two-way messaging. - Q: Is this integration officially supported by WhatsApp or Slack?
A: Not directly. However, both platforms offer APIs and webhooks to enable third-party and custom integrations.
By setting up a seamless integration between WhatsApp and Slack, businesses can boost efficiency, centralize communication, and deliver faster responses — all while keeping their teams connected on the platforms they use most.