curl --request POST \
  --url https://api.notifly.tech/projects/{projectId}/campaigns/{campaignId}/send \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "recipients": [
    {
      "type": "phone-number",
      "phoneNumber": "010-1234-5678"
    }
  ]
}
'

{
  "code": 200,
  "success": true,
  "error": null
}