Twilio/quick-reply templates let recipients tap, rather than type, to respond to the message.
Twilio/quick-reply templates can be sent via WhatsApp for out of session messages with variables. If the template's body starts or ends with a variable or has two variables next to each other, the template will not be approved by WhatsApp without a sample variable. For additional information about variables see Using Variables with Content Templates.
WhatsApp, Facebook Messenger
Description: The text of the message you want to send. This is included as a regular text message.
Description: Buttons that recipients can tap on to act on the message:
Code sample for creating a template using content API