curl -X GET 'https://api.countrystatecity.in/v1/phone/US' \
  -H 'X-CSCAPI-KEY: YOUR_API_KEY'

curl -X GET 'https://api.countrystatecity.in/v1/phone/IND' \
  -H 'X-CSCAPI-KEY: YOUR_API_KEY'

curl -X GET 'https://api.countrystatecity.in/v1/phone/233' \
  -H 'X-CSCAPI-KEY: YOUR_API_KEY'

const response = await fetch('https://api.countrystatecity.in/v1/phone/US', {
  headers: { 'X-CSCAPI-KEY': 'YOUR_API_KEY' }
});

const { dial_code } = await response.json();
console.log(dial_code); // "+1"

import requests

response = requests.get(
  'https://api.countrystatecity.in/v1/phone/IN',
  headers={'X-CSCAPI-KEY': 'YOUR_API_KEY'}
)

print(response.json()['dial_code'])  # "+91"

{
  "country": "IN",
  "dial_code": "+91",
  "iso2": "IN",
  "iso3": "IND"
}

{
  "country": "BB",
  "dial_code": "+1",
  "area_code": "246",
  "iso2": "BB",
  "iso3": "BRB"
}

{
  "status": "error",
  "message": "This feature is not available on your current plan.",
  "details": {
    "feature": "phoneDialCode",
    "currentTier": "community",
    "requiredTier": "starter",
    "upgradeUrl": "https://app.countrystatecity.in/pricing"
  }
}

{
  "status": "error",
  "message": "Country not found."
}

{
  "status": "error",
  "message": "No dial code available for this country."
}