Hey! Our platform offers this integration, both directly from Pipedrive itself or using our broadcast tool (sending messages at scale to customers opted in to WhatsApp).
You can check out our demo on the link below. However this is for WhatsApp Business API users. If this is of interest, we can facilitate onboarding onto the API program also.
Try Two-way SMS, WhatsApp from Pipedrive through Twilio, you can try this marketplace app by Ulgebra https://www.pipedrive.com/en/marketplace/app/twilio-sms-whats-app/c8a6c923cf443ed6
has conversations view to view all the customer messages in one place.
adds note inside contact for new messages
ability to send bulk messages from pipedrive with templates.