API — Finland (FI)

19 regions, 313 municipalitys.

Endpoints

GET /api/v1/countries/fi.json
Full dataset — all levels, all records
GET /api/v1/fi/region.json
All 19 regions (Maakunta)
GET /api/v1/fi/municipality.json
All 313 municipalitys (Kunta)
GET /api/v1/fi/region/{slug}.json
Single region with children
Example: /api/v1/fi/region/aland-fi01.json

Quick Start

JavaScript

fetch('https://api.openadmindata.org/api/v1/countries/fi.json')
  .then(r => r.json())
  .then(data => {
    const levels = data.meta.levels.map(l => l.name_en);
    console.log('Finland:', levels.join(' → '));
    
    console.log(data.data.region.length, 'regions');
  });

Python

import requests
data = requests.get('https://api.openadmindata.org/api/v1/countries/fi.json').json()
regions = data['data']['region']
print(f"Finland: {len(regions)} regions")

cURL

curl -s https://api.openadmindata.org/api/v1/fi/region.json | jq '.count'

Schema

Each entity record contains:

FieldTypeDescription
idstringUnique identifier
name_localstringName in local script
name_enstringEnglish / romanized name
slugstringURL-safe slug
latnumberLatitude (WGS84)
lonnumberLongitude (WGS84)
parent_idstring?Parent entity ID (null for top level)
parent_name_localstring?Parent name in local script
parent_name_enstring?Parent English name
postal_codestring?Postal code (deepest level only, where available)