PASAR API

🇳🇱 Kadaster BAG ~ Dutch addresses & buildings

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Free API key from Kadaster; HAL+JSON registry of every Dutch address and building.

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# Kadaster BAG ~ Dutch addresses & buildings needs an API key ~ get yours at:
# https://lvbag.github.io/BAG-API/
curl 'https://api.bag.kadaster.nl/lvbag/individuelebevragingen/v2' \
  -H 'Authorization: Bearer YOUR_TOKEN'

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I'm integrating a Netherlands API into my app.

API: Kadaster BAG ~ Dutch addresses & buildings
Provider: Kadaster (Netherlands' Cadastre)
Auth: requires an API key (sign up: https://lvbag.github.io/BAG-API/)
Pricing: free
Base URL: https://api.bag.kadaster.nl/lvbag/individuelebevragingen/v2
Important note: Free API key from Kadaster; HAL+JSON registry of every Dutch address and building.

Source: Kadaster (Netherlands' Cadastre) (https://lvbag.github.io/BAG-API/)
Source type: Official open-data catalogue
Endpoint type: Open-data catalogue JSON
Integration difficulty: Needs API key
Last checked: 2026-07-05
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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