Retrieve all countries within a subregion. For example, subregion “Southern Asia” contains India, Pakistan, Bangladesh, etc.
Availability: Supporter plan and above.
Authentication
Your API key for authentication
Path Parameters
Numeric subregion ID (e.g., 14 for Southern Asia)
Query Parameters
Search filter on country name. Min 2 characters. Requires Supporter+ plan.
Response
Returns the same country object as Get All Countries, filtered to the subregion.
curl -X GET 'https://api.countrystatecity.in/v1/subregions/14/countries' \
-H 'X-CSCAPI-KEY: YOUR_API_KEY'
[
{ "id": 101, "name": "India", "iso2": "IN", "iso3": "IND" },
{ "id": 167, "name": "Pakistan", "iso2": "PK", "iso3": "PAK" },
{ "id": 19, "name": "Bangladesh", "iso2": "BD", "iso3": "BGD" }
]