curl --request POST \
  --url https://api.zapkey.io/message/sendTemplate/{instance} \
  --header 'Content-Type: application/json' \
  --header 'apikey: <api-key>' \
  --data '
{
  "number": "<string>",
  "templateMessage": {
    "name": "<string>",
    "language": "pt_BR",
    "components": [
      {
        "index": "<string>",
        "parameters": [
          {
            "text": "<string>"
          }
        ]
      }
    ]
  }
}
'

This response has no body data.