Send Messages To WhatsApp Channels Via API

In a world where connection is key, direct communication with your audience isn’t just nice — it’s necessary. Ready to kick your customer engagement and marketing up a notch? Say hello to Wassenger, your go-to for sending messages straight to WhatsApp channels.

Dive into our quick guide on using the Wassenger API to shoot texts and images right into your audience’s channels. Simple, direct, and super effective. Let’s make your messages pop and resonate with your followers. Ready, set, send!

🤩 🤖 Wassenger is a complete API solution for WhatsApp. Sign up for a 7-day free trial and get started in minutes!

Requirements

Have a WhatsApp number already linked to the platform and online.
Channel WhatsApp ID (WID) that you can find in two ways:

On your WhatsApp number’s management panel, go to “Groups”. From there you will see the channels your number has access to.
By using the API, query the available channels in your device for this endpoint.

API endpoint

In this tutorial we will use the following API endpoint:

Send Message

Prepare the request

Target API URL

https://api.wassenger.com/v1/messages

Required HTTPS headers

Content-Type: application/json
Token: $API_TOKEN

Request body in JSON format

{
  "channel": "120363197037006941@newsletter",
  "message": "This is a sample message sent to a channel"
}

You can now send a new message via API.

Have questions? Please check out the frequently asked questions.

Live API testing

You can live-test and play with the API directly from your browser.

Once you are done testing, get the auto-generated code example in your preferred programming language and you will be ready to go.

🤩 🤖 Wassenger is a complete API solution for WhatsApp. Sign up for a 7-day free trial and get started in minutes!

FAQs

How to send messages to multiple channels?

You just have to send multiple API requests, one per target channel.

For instance, if you want to send a message to 10 channels, you should send 10 independent HTTPS requests to the API.

There is no option to send multiple messages in a single API request.

What type of messages can be sent?

For channels, you can only send different types of text messages and image messages.

Check out more tutorials and discover our platform here.