How to Set Up One-Way WhatsApp Messaging Using Power Automate and Twilio?

Go to make.powerautomate.com and select instant cloud flow.

Select Powerapps Trigger and Name the Whatsappintegrationflow. ie as per your requirement, you can name it

And you will able to see the flow like this, and next need to select HTTP to invoke the Twilio Api endpoint

Here in the below, a screenshot needs to provide.

• Method: Post
• URI: https://api.twilio.com/2010-04-01/Accounts/AC8f5d62596ad8a5eb35957346402c5475/Messages.json
• Headers: Content-Type: application/x-www-form-urlencoded
• Body: To=whatsapp:+919637161802&From=whatsapp:+14155238886&Body=Hi this is shankar.please attend the online event.
• Authentication: Basic
• Username: AC8f5d62596ad8a5eb35957346402c5475 –Twilio Account SID
• Password: 354b2fc3b653a8382a7c30be30becda8 – Twilio Auth Token

Click on Test to run manually

Then Runflow.