curl --request DELETE \
  --url https://api.pocketflows.com/sms_templates/{id} \
  --header 'Authorization: Basic <encoded-value>'

{
  "id": "<string>",
  "name": "<string>",
  "message": "<string>",
  "estimated_sms_segments": 123,
  "estimated_segments": {
    "sms": 123,
    "mms": 123
  },
  "image": "<string>",
  "shorten_urls": true
}