Important: Please do not skip any step, to ensure that the connection is successful.
Step 1: Twilio WhatsApp account + Rasayel subscription
First, make sure you have a WhatsApp account with Twilio. If you don't, read this:
Step 2: Add Twilio WhatsApp channel
In your Rasayel dashboard, Select Channels, and then click on WhatsApp Twilio
You should see the following:
Step 3: Copy Twilio account settings into Rasayel
3.1. Go to your Twilio dashboard: https://www.twilio.com/console
3.2. Copy your Account SID and Auth Token, and paste them into the Rasayel setup page.

3.3. Go to your Twilio phone number settings page: https://www.twilio.com/console/phone-numbers/incoming
3.4. Select your WhatsApp number, and copy the Phone Number and Phone Number SID:

3.5. Paste all of the above into the Rasayel Twilio WhatsApp setup page, and click on Proceed to next step
Step 4: Copy Rasayel Webhook URL into Twilio
Once you've activated the channel, Rasayel will generate a Webhook URL:
Go to your Twilio Programmable Messaging → WhatsApp Senders section: https://www.twilio.com/console/sms/whatsapp/senders
Select your WhatsApp number, and paste the same Octopods Webhook URL in all 3 areas. This is extremely important:

Don't forget to save:

That's it!
Your Twilio WhatsApp account is now connected to Rasayel.