Hi there,
I can integrate APIs in your application using node js as required by you.
I am experienced node js developer with around five years of industry experience in communication APIs and chatbot development.
I have worked with many API integrations as mentioned in your project description like twilio, whatsapp chat API.
Also I have developed chatbots for use cases like appointment scheduling, product info, orders and sales data, notifications, FAQ bot, etc.
If you are interested, I can share previous projects for your reference.
Please let me know your use case.
Hoping to hear from you soon.
Thank you.