curl -X POST \
  'https://graph.facebook.com/<API_VERSION>/<WHATSAPP_BUSINESS_ACCOUNT_ID>/message_templates' \
  -H 'Authorization: Bearer <ACCESS_TOKEN>' \
  -H 'Content-Type: application/json' \
  -d '{
    "name": "sample_cpr_template",
    "language": "en",
    "category": "<CATEGORY>",
    "components": [\
      {\
        "type": "BODY",\
        "text": "We would like to call you to help support your order.",\
      },\
      {\
        "type": "call_permission_request"\
      }\
   ]
}'

\{
  "id": "<ID>",
  "status": "<STATUS>",
  "category": "<CATEGORY>"
}

curl -X POST \
  'https://graph.facebook.com/<API_VERSION>/<PHONE_NUMBER_ID>/messages' \
  -H 'Authorization: Bearer <ACCESS_TOKEN>' \
  -H 'Content-Type: application/json' \
  -d '{
    "messaging_product": "whatsapp",
    "recipient_type": "individual",
    "to": "<WHATSAPP_USER_PHONE_NUMBER>",
    "type": "template",
    "template": {
      "name": "<TEMPLATE_NAME>",
      "language": {
        "code": "<LANGUAGE_AND_LOCAL_CODE>"
      },
      "components": [\
        {\
          "type": "body",\
          "parameters": [\
            {\
              "type": "text",\
              "text": "<BODY_TEXT>"\
            }\
          ]\
        }\
      ]
   }
}'

\{
   "messaging_product": "whatsapp",
   "contacts": [\
       {\
           "input": "+1233214532",\
           "wa_id": "1233214532"\
       }\
   ],
   "messages": [\
       {\
           "id": "wamid.HBgLMTMyMzI4NjU2NzgVAgARGBJBQzRBRDBEMDEwQzVBM0M0QkIA",\
           "message_status": "accepted"\
       }\
   ]
}