curl --request GET \
  --url https://api.threetone.in/v1/phone-numbers/inventory

import requests

url = "https://api.threetone.in/v1/phone-numbers/inventory"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://api.threetone.in/v1/phone-numbers/inventory', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "countries": [
    {
      "country_code": "<string>",
      "country_name": "<string>",
      "fulfillment_provider": "twilio",
      "number_types": [
        {
          "number_type": "<string>",
          "setup_fee": 123,
          "monthly_fee": 123,
          "currency": "<string>",
          "available": true
        }
      ],
      "source_type": "managed_pstn",
      "flag_emoji": "<string>"
    }
  ],
  "currency": "INR",
  "markup_percentage": 20
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}