Please do not skip any step, to ensure that the connection is successful.
Step 1: Twilio WhatsApp account + Octopods subscription
First, make sure you have a WhatsApp account with Twilio. If you don't, read this:
How to apply for a Twilio WhatsApp account ➚
Please also ensure that you are subscribed to the Octopods WhatsApp plan. If you're not, click here to access your billing section.
Step 2: Add Twilio WhatsApp channel
In your Octopods dashboard, click on Twilio WhatsApp:

You should see the following:

Step 3: Copy Twilio account settings into Octopods
Go to your Twilio dashboard: https://www.twilio.com/console
Copy your Account SID and Auth Token, and paste them into the Octopods setup page from step 2.

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

Paste all of the above into the Octopods Twilio WhatsApp setup page, and click on Activate Twilio channel:

Step 4: Copy Octopods Webhook URL into Twilio
Once you've activated the channel, Octopods 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:

Step 5: That's it!
Your Twilio WhatsApp account is now connected to Intercom.