Interactive reply buttons show up to three tappable options. The user’s tap returns as an inbound interactive.button_reply webhook with the button id.

​
Request

curl -X POST "${WHATSAPP_API_URL}/${WHATSAPP_PHONE_NUMBER_ID}/messages" \
  -H "Authorization: Bearer ${WHATSAPP_ACCESS_TOKEN}" \
  -H "Content-Type: application/json" \
  -d '{
  "messaging_product": "whatsapp",
  "to": "15551234567",
  "type": "interactive",
  "interactive": {
    "type": "button",
    "body": {
      "text": "Confirm your order?"
    },
    "action": {
      "buttons": [
        {
          "type": "reply",
          "reply": {
            "id": "yes",
            "title": "Yes"
          }
        },
        {
          "type": "reply",
          "reply": {
            "id": "no",
            "title": "No"
          }
        }
      ]
    }
  }
}'