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The immoweb estate-agency directory, ranked by how much stock each agency is advertising: name, group, description, website, VAT and IPI registration number, address and coordinates, opening hours, and live for-sale / to-rent counts. Pass the agency_id to `search` to list everything that agency has on the market.
Postal codes to list agencies for (bare '9000' or 'BE-9000'). Omit to get the national ranking, which starts with the big agency groups.
Agency page — 10 agencies per page. (1–200)
Belgium is trilingual and the language is NOT only a label. Ids, prices, surfaces and coordinates are identical in all three, but an advertiser writes the ad in one or more languages: ask for a language they did not use and immoweb returns a null title and description. This engine falls back to whatever the advertiser did publish and tells you which language it used in `description_language`. What the language really controls is the LABELS: province and region names, the EPC wording and the formatted price string.
curl -X POST https://api.reefapi.com/immoweb/v1/agency_search \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"postal_codes":"[\"9000\"]"}'Press Send request to see the live result here.
Not sure what to send? Ask Reef AIWhat you can run here, without an account
ReefAPI is one HTTP gateway to 632 live web-data APIs covering 3860 endpoints across 13 categories. Every endpoint answers with the same JSON envelope, so one integration reaches all of them. Each response reports what it cost and when the source was read.
No signup, no API key and no card are required to try an endpoint on this page. Anonymous calls run on a shared demo key, capped at 15 calls per hour per visitor. Pick an API, fill the parameters and the real response comes back from the live source, not from a canned sample. A free account lifts the cap and gives you 1,000 credits and your own key.
Browse every API in the catalog, read an endpoint's fields and example response in the docs, or see per-call credit costs on the pricing page.
Coverage by category
| ecommerce | 350 |
| classifieds | 116 |
| real-estate | 29 |
| media | 25 |
| utilities | 18 |
| jobs | 18 |
| developer-tools | 18 |
| reviews | 15 |
| social | 15 |
| search-seo | 11 |
| travel | 8 |
| other | 5 |
| finance | 4 |