curl -X GET "https://api.example.com/api/v1/phone_numbers/unassigned" \
  -H "X-API-Key: your-api-key-here"

const response = await fetch('https://api.example.com/api/v1/phone_numbers/unassigned', {
  method: 'GET',
  headers: {
    'X-API-Key': 'your-api-key-here'
  }
});

const data = await response.json();

import requests

headers = {
    'X-API-Key': 'your-api-key-here'
}

response = requests.get(
    'https://api.example.com/api/v1/phone_numbers/unassigned',
    headers=headers
)

data = response.json()

{
  "status": {
    "code": 200,
    "message": "Unassigned phone numbers retrieved successfully"
  },
  "data": [
    {
      "phone_number": "+1987654321",
      "friendly_name": "(987) 654-3210",
      "region": "US",
      "country_code": "US"
    }
  ]
}