WhatsApp+Slack Integration: #11 Essential Steps to Seamlessly Connect Using Zapier

Miodrag Magyar
Last updated February 8, 2024
WhatsApp+Slack Integration: #11 Essential Steps to Seamlessly Connect Using Zapier

Ever found yourself switching between Slack and WhatsApp all day and thinking, “There’s got to be a better way”? There is! The WhatsApp Slack integration through Zapier goes beyond being a clever solution; it fundamentally transforms the efficiency and coherence of your digital communication.

In this article, we delve into how you can harness the power of Zapier to seamlessly integrate WhatsApp with Slack, creating a unified communication hub that leverages the strengths of both platforms. Let’s dive in.

Why Integrate Slack with WhatsApp?

Imagine this: a team member drops a note in Rasayel, starting with “/slack”, to flag something important. This could be a customer request or an urgent update. Instantly, this note gets whisked over to a designated Slack channel through Zapier. No more app-switching or lost messages.

The notes feature in Rasayel is designed for sharing important information among team members.

Private notes in Rasayel

This integration ensures that crucial information shared in notes in Rasayel, from customer requests to team updates, is immediately accessible to everyone in your Slack workspace. It’s a simple, yet effective way to keep your communication lines clear and your team in sync.

Connect Slack & WhatsApp with Rasayel: How it Works

Zapier is a web-based automation tool that connects different apps and services. It allows users to automate tasks and create “Zaps” that automatically perform specific actions when certain conditions are met. These Zaps are triggered by events in one app and can perform actions in one or more other apps.

In the following example, we will create a Zap that automatically connects Rasayel with Slack and whenever a team member wants to send a private note through Rasayel, it will be posted in a specific Slack channel. Pretty neat, right?

Initiating the Integration

A team member adds a private note in Rasayel that starts with /slack.

For example: “/slack This customer would like to request X, Y, and Z…”

Node for activating private notes in Rasayel.

A team member sends this message in the conversation:

Private note sent in Rasayel.

Triggering Direct Slack Notifications

Zapier will process that note and post it in a Slack channel.

Note posted in a Slack channel.

Important: No other private notes or messages will be sent to Slack.

How to Connect Slack & WhatsApp Via Zapier: Step-by-Step

Think of Rasayel in this integration as the central nervous system, where important information is organized and tagged, while Zapier serves as the neural pathways transmitting it to the relevant channels in your digital communication ecosystem. Together, they create a unified communication hub that leverages the strengths of both Slack and WhatsApp, boosting your team’s efficiency and coherence.

Creating a Zap that integrates Rasayel with Slack is a fairly straightforward process. Here is a step-by-step guide on how to do it:

1. Create the Zap

Go to Zapier and click on +Create Zaps.

Zapier dashboard.

2. Select Rasayel

In the search window type Rasayel and select the app.

Selecting Rasayel in the apps list.

3. Choose the Event

In the Event field select New Message.

Selecting event in Zapier.

4. Choose Account

Choose the Rasayel account you want to use.

Choosing a Rasayel account in Zapier.

5. Set Up the Trigger

Select your account from the dropdown menu and choose “all directions” in the Direction field.

Setting up the trigger in Zapier.

6. Test the Trigger

Click on Test trigger. This action will automatically send a test message to the Slack channel you selected earlier.

Testing the trigger in Zapier.

7. Filter

Next, you’ll need to click on Filter and populate the three fields as shown in the second screenshot below.

Adding filters in Zapier. Configuring filters in Zapier.

Since you need this Zap to work only when a note is sent between teammates, you’ll need to add an additional filter. Click “+ And” and populate the additional fields as shown in the screenshot below.

Adding an additional filter in Zapier.

8. Choose an Action

Chose what action the Zap should take once it’s triggered. In this case we’ll select Send Channel Message.

Choosing an action in Zapier.

9. Select a Slack Account and a Slack Channel

Here you’ll need to determine the Slack account you want the message to be sent to. Select the appropriate account.

Selecting a Slack Account and a Slack Channel

Select the appropriate Slack channel where the message will be delivered. In the Message Text field Paste this text:

New message at:


Chat URL:

By clicking next to each line a dropdown menu will appear where you’d need to select the first option “1.New Message in Rasayel” and choose the appropriate options as shown in the example below.

Setting up vatialbes in a WhatsApp message.

Note that in the third line Chat URL: starts with a link. Every account has a unique number in the link, so you copy yours from your Rasayel.*

Rassayel account link.

Then, click at the end of the line and from the dropdown menu select 1. Conversation ID: 161132

10. Publish the Zap

Test the action and if there are no errors, click Publish Zap.

Publishing the zap.

11. Test the WhatsApp + Slack Integration

Now, go to your Rasayel, turn on the note option, and send a message (to yourself or one of your teammates) starting with /slack.

Notes exchanged in Rasayel.

Check the notification in Slack.

Slack nottification triggered by a private note sent in Rasayel.

If you click the link in Chat URL it will take you directly to the conversation in Rasayel.

That’s it. Enjoy automated notifications in Slack!


This WhatsApp Slack integration efficiently streamlines communication. This setup simplifies the transfer of important information, making sure everyone on the team is on the same page. By automating the flow of WhatsApp messages from Rasayel to Slack, teams can stay informed and responsive without the need to constantly switch between apps.

This integration is particularly beneficial for sales and support teams, ensuring swift and organized communication with clients and within the team.

Frequently Asked Questions

Yes, Slack can be integrated with WhatsApp, typically through an intermediary platform like Rasayel. Rasayel. With this Zapier and Slack integration, WhatsApp messages in Rasayel can be automatically posted to a designated Slack channel.

To link Slack with WhatsApp, use Rasayel as a middleman and Zapier for automation. First, set up Rasayel to manage WhatsApp messages, where team members tag messages for Slack. Then, in Zapier, create a Zap with Rasayel as the trigger and Slack as the action. This setup automatically forwards messages tagged in Rasayel to a specified Slack channel. It involves configuring triggers and actions, testing the system, and activating the Zap, thus streamlining communication between WhatsApp and Slack for teams.

Integrating your business with WhatsApp can be approached in two main ways, depending on your needs and desired functionality. The WhatsApp Business App is free and ideal for small businesses, offering features like a business profile, broadcast messages to up to 256 contacts, basic customer support, and quick replies, but with limitations in automation and bulk messaging. On the other hand, the WhatsApp Business API is a paid solution suited for medium to large businesses. It offers advanced features like chatbots, bulk messaging, CRM integrations, and team collaboration tools.

Yes, you can filter the type of messages by setting up filters in your Zap to specify which messages or types of information are shared between the platforms.

Zapier allows you to connect WhatsApp with 6000+ business tools and platforms, customizing your workflow as per your needs.

Learn more

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About the author
Miodrag Magyar

Miodrag brings over 15 years of hands-on experience in content writing and marketing, with a talent for making even the trickiest topics clear and interesting. His passion lies in guiding businesses to effectively utilize WhatsApp to build stronger customer relationships and drive results. With an eye for detail and a heart for storytelling, he’s here to show how effective WhatsApp communication can boost sales and enhance customer engagement.

@Miodrag Magyar on LinkedIn