curl --request POST \
  --url https://api.prod.usesimple.ai/api/v1/numbers/buy_number \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone_number": "<string>"
}
'

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "number": "<string>",
  "friendly_name": "<string>",
  "area_code": "<string>",
  "country": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "agent": {
    "id": 123,
    "name": "<string>",
    "uuid": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}