Energy label gaps, retrofit urgency, and EPBD deadlines — one API call per address.
Build location intelligence into your applications with our comprehensive Dutch data APIs.
Complete profiles for any Dutch postcode — demographics, buildings, businesses, energy.
Explore →Sector density, competition, and growth — with radius-based proximity search.
Explore →Side-by-side comparison with national percentile rankings across 7 metrics.
Explore →One API call returns everything you need. No complex joins, no data wrangling.
# Get a complete location profile curl "https://api.lookaal.dev/v1/location/1011" \ -H "X-API-Key: lkl_live_your_key"
/v1/location
{
"data": {
"postcode": "1011",
"city": "Amsterdam",
"municipality": "Amsterdam",
"province": "Noord-Holland",
"demographics": {
"population": 9900,
"households": 6510,
"avg_income_per_household": 42800,
"income_percentile_national": 96
},
"buildings": {
"total_addresses": 7482,
"residential": 6490,
"commercial": 992,
"avg_construction_year": 1920
},
"energy": {
"labels_distribution": {
"A": 0.32, "B": 0.18,
"C": 0.24, "D": 0.11
},
"avg_label": "A"
},
"businesses": {
"total_active": 1696,
"business_density_per_1000_residents": 171.3
}
},
"meta": {
"sources": [
{ "name": "CBS", "last_refreshed": "2026-03-11T22:01:32Z" },
{ "name": "BAG", "last_refreshed": "2026-03-07T22:08:00Z" },
{ "name": "KVK", "last_refreshed": "2026-04-13T03:01:52Z" },
{ "name": "RVO", "last_refreshed": "2026-03-08T03:00:00Z" }
]
}
}
Six Dutch public data sources, normalized and enriched, accessible through a single unified API.
Population, households, age distribution, income percentiles, urbanity, labor participation.
Address counts, building types, construction years, floor areas from the national registry.
Active companies by sector, registrations, closures, density — with radius search.
Energy label distribution (A through G), average labels, energy efficiency index.
Distance to GP, hospital, supermarket, school, train station, and 13 more amenity types.
Crime rates, WOZ property values, land use percentages, school counts per area.
Start free. Scale as you grow.
/v1/* endpoints/v1/* endpoints/v1/* endpoints/v2/compliance — commercial compliance score/v2/development-pipeline — gemeente permit activity/v2/property/{postcode}/{house_number}/compliance returns the building's current RVO energy label, gap to each upcoming regulatory deadline (NL Label C 2023, EU EPBD 2027 / 2030), and a Paris Proof retrofit urgency score — all in one JSON response. We also expose the underlying CBS / BAG / KVK / RVO / PDOK / DUO data via /v1 endpoints for general location intelligence.
/v1/data-sources, /health) are public and don't need a key.
meta.sources[].last_refreshed timestamp so you always know the exact vintage of the data you're using.
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