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1 credit per call10 endpoints32 datapoints

Boligsiden API

Boligsiden API for Danish homes for sale or rent, address sales history, price history, estate agents and foreclosures as JSON. 1 credit per successful call.

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Boligsiden
GET/v1/boligsiden/search?per_page=20&zip_codes[]=2100&listing_type=sale&sort_by=price&price_max=8000000
{
  "success": true,
  "data": {
    "results": [
      {
        "id": "eee9fbda-f643-4b44-b647-da4c12364c13",
        "listing_type": "sale",
        "status": "open",
        "url": "https://www.boligsiden.dk/adresse/stadens-vaenge-3-3-3-2100-koebenhavn-oe",
        "realtor_listing_url": "https://www.nybolig.dk/services/redirect/case/N260336/N2603360001661",
        "slug": "stadens-vaenge-3-3-3-2100-koebenhavn-oe",
        "address": {
          "address_id": "0a3f50a0-c6c8-32b8-e044-0003ba298018",
          "slug": "stadens-vaenge-3-3-3-2100-koebenhavn-oe",
          "road": "Stadens Vænge",
          "house_number": "3",
          "floor": "3",
          "door": "3",
          "zip_code": 2100,
          "city": "København Ø",
          "city_slug": "koebenhavn-oe",
          "municipality": "København",
          "municipality_slug": "koebenhavn",
          "municipality_code": 101,
          "province": "Byen København",
          "province_slug": "byen-koebenhavn",
          "latest_valuation": 680000,
          "living_area": 31,
          "bfe_numbers": [
            154441
          ],
          "buildings": [
            "…"
          ],
          "sales_history": [
            "…"
          ]
        },
        "latitude": 55.703995,
        "longitude": 12.559329,
        "address_type": "condo",
        "price": 2845000,
        "monthly_expense": 2551,
        "price_per_area": 91774,
        "area": 31,
        "lot_area": 1762,
        "rooms": 1,
        "bathrooms": 1,
        "toilets": 1,
        "floors": 1,
        "year_built": 2002,
        "energy_label": "D",
        "has_balcony": false,
        "has_terrace": false,
        "has_elevator": false,
        "days_listed": 14,
        "days_on_market": 14,
        "open_house": {
          "starts_at": "2026-11-13T08:00:00Z",
          "duration_minutes": 480,
          "sign_up_required": true,
          "sign_up_url": "https://www.nybolig.dk/services/redirect/case/N260336/N2603360001661"
        },
        "description_title": "Perfekt studiebolig eller til investoren.",
        "description": "Gode parkederingsmuligheder ved ejendommen. Lige ved Jagtvej og med direkte forbindelse til både charmerende indre Østerbro og pulserende Nørrebro ligger denne veludnyttede etværelses lejlighed. 31 kvadratmeter er godt fordelt over et lysfu…",
        "financing": {
          "down_payment": 145000,
          "gross_monthly_mortgage": 15955,
          "net_monthly_mortgage": 13008
        },
        "images": [
          {
            "url": "https://images.boligsiden.dk/images/case/eee9fbda-f643-4b44-b647-da4c12364c13/1440x960/e5135a37-3e05-46ce-a077-7bf1fc192246.webp?h=d7fd918ce65e4b1dbaf7cde6b987537da3dbef3190e6354df20d628665deb24b",
            "width": 1440,
            "height": 960,
            "alt": "En lys stue med et tæppe og sofa, ser ind i et spisekøkken med bord og stole. Et skilt med teksten \"THIS IS NOT A THE WAY\" hænger på væggen."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/eee9fbda-f643-4b44-b647-da4c12364c13/1440x960/57f431d9-5176-428e-af98-00c4c972b684.webp?h=a8208aa2189df93e3af8c97291b94c653760795d0716ec20e947f96bef48c1cf",
            "width": 1440,
            "height": 960,
            "alt": "Et badeværelse med en vask og bruser placeret i et rum med kvadratiske hvide fliser. En farverig kurv står på gulvet. Til højre er en reol med planter."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/eee9fbda-f643-4b44-b647-da4c12364c13/1440x960/b525ef88-b9e3-4817-a526-3d118b73ab5f.webp?h=6f26dc8a62c4c9182cb1854ae2c557e841b5ba349b95fd283fe791b1e314de00",
            "width": 1440,
            "height": 960,
            "alt": "Stue med lyse trægulve, en sofa, en reol, og et sofabord. En lænestol har en pude med \"69\". Køkken i baggrunden. Skilt på væggen: \"IN THIS HOUSE WE LAUGH THIS WAY.\""
          }
        ],
        "realtor": {
          "id": "4c84d156-3ad5-415c-96c0-0123e947cd37",
          "name": "Nybolig Østerbro - Nordhavn",
          "slug": "nybolig-oesterbro---nordhavn-dag-hammarskjolds-alle-37-2100-koebenhavn-oe-4c84d1563ad5415c96c00123e947cd37",
          "branch_name": "Nybolig",
          "phone": "48482100",
          "email": "2100@nybolig.dk",
          "cvr": "43156284",
          "address": {
            "road": "Dag Hammarskjölds Allé",
            "house_number": "37",
            "floor": "st",
            "zip_code": 2100,
            "city": "København Ø"
          },
          "rating": {
            "buyer": "…",
            "seller": "…"
          },
          "active_listings": {
            "for_sale": 102,
            "cooperative": 0,
            "for_rent": 0
          },
          "image_url": "https://images.boligsiden.dk/images/realtor_image/4c84d156-3ad5-415c-96c0-0123e947cd37/1440x960/1b7560a3-2a71-4e5e-9bf9-064e63a1a06a.webp?h=86c963b70493d8a1c1378a61c97f2e9e7e73e61429cb5c885ea385292e2a7f75"
        }
      },
      {
        "id": "4122f0ca-802b-4626-9451-4881296b0a97",
        "listing_type": "sale",
        "status": "open",
        "url": "https://www.boligsiden.dk/adresse/drejoegade-26a-0-4-2100-koebenhavn-oe",
        "realtor_listing_url": "https://www.edc.dk/sag/?sagsnr=21010274",
        "slug": "drejoegade-26a-0-4-2100-koebenhavn-oe",
        "address": {
          "address_id": "0a3f509d-cafb-32b8-e044-0003ba298018",
          "slug": "drejoegade-26a-0-4-2100-koebenhavn-oe",
          "road": "Drejøgade",
          "house_number": "26A",
          "floor": "0",
          "door": "4",
          "zip_code": 2100,
          "city": "København Ø",
          "city_slug": "koebenhavn-oe",
          "municipality": "København",
          "municipality_slug": "koebenhavn",
          "municipality_code": 101,
          "province": "Byen København",
          "province_slug": "byen-koebenhavn",
          "latest_valuation": 720000,
          "living_area": 38,
          "bfe_numbers": [
            143613
          ],
          "buildings": [
            "…",
            "…"
          ],
          "sales_history": [
            "…",
            "…"
          ]
        },
        "latitude": 55.71079,
        "longitude": 12.572402,
        "address_type": "condo",
        "price": 2995000,
        "monthly_expense": 2285,
        "price_per_area": 78816,
        "price_change_percent": -7.85,
        "area": 38,
        "rooms": 1,
        "bathrooms": 1,
        "toilets": 1,
        "floors": 1,
        "year_built": 1974,
        "energy_label": "C",
        "has_balcony": true,
        "has_terrace": false,
        "has_elevator": true,
        "days_listed": 92,
        "days_on_market": 92,
        "open_house": {
          "starts_at": "2026-11-13T08:00:00Z",
          "duration_minutes": 480,
          "sign_up_required": true,
          "sign_up_url": "https://www.edc.dk/21010274?aid=d37eb561-1455-47ab-8a0d-3a14df11d47a"
        },
        "description_title": "Velholdt etværelses med privat, vestvendt altan",
        "description": "Åbent hus med tilmeldingskrav 13/11 - klik på billede - \r\n\r\nPå en rolig beliggenhed mellem Fælledparken og Kildevældsparken finder du denne veldisponerede og velholdte etværelses lejlighed med en hyggelig, vestvendt altan i stueplan. Bolige…",
        "financing": {
          "down_payment": 150000,
          "gross_monthly_mortgage": 16562,
          "net_monthly_mortgage": 13564
        },
        "images": [
          {
            "url": "https://images.boligsiden.dk/images/case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/6e232b0d-2eb2-4973-8aba-a57c98c801c9.webp?h=0c5495be6659b9ec4a030c42a0f15785757bb660f1bf26efa3b7ade4db49e6a4",
            "width": 1440,
            "height": 960,
            "alt": "Tomt værelse med trægulv og en åben altandør. Store vinduer giver udsigt til grønne træer udenfor. Hvide vægge og loft skaber en lys og rummelig atmosfære."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/0ac44bbc-22f0-4f46-abcd-a4c325532c74.webp?h=2e83cfdddb652e9c66ac0736c5699ac8db3bc381f6b3928f31091a08c9d016e1",
            "width": 1440,
            "height": 960,
            "alt": "Stue med trægulv fører til et køkken med hvide skabe og indbygget hvidevarer. Trædøre åbnes mod et tilstødende rum. Væggene er hvide og rummet er tomt."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/06784bed-52b2-4c30-bf26-ed17e9208552.webp?h=d6f12c4c22bb057cfce1403cb18542b6897b1d552a5448171e22bc089a78890a",
            "width": 1440,
            "height": 960,
            "alt": "Et tomt rum med trægulv. En åben dør fører til et køkken med hvide skabe til venstre. Væggene er hvide, og rummet er velbelyst."
          }
        ],
        "floor_plans": [
          {
            "url": "https://images.boligsiden.dk/images/floor_plan_case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/9d7cfda3-c60d-403d-a2b3-814d028d4b3a.webp?h=9cb1668cc2a9e299eed19f4e63a3b838a4646b2535b014dad750301464011bc0",
            "width": 1440,
            "height": 960
          },
          {
            "url": "https://images.boligsiden.dk/images/floor_plan_case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/6fe0b56f-bbde-4f27-836b-841ac4eb132c.webp?h=93328e85a11d0213bf6dd2d5b7ec915c6c2077314c8f21735226f394cac1115a",
            "width": 1440,
            "height": 960
          },
          {
            "url": "https://images.boligsiden.dk/images/floor_plan_case/4122f0ca-802b-4626-9451-4881296b0a97/1440x960/dcdcf745-2884-4308-bf83-9c84134b218c.webp?h=93328e85a11d0213bf6dd2d5b7ec915c6c2077314c8f21735226f394cac1115a",
            "width": 1440,
            "height": 960
          }
        ],
        "realtor": {
          "id": "e1caca6e-2ebf-4539-a522-d91ebad324e8",
          "name": "EDC Poul Erik Bech, Østerbro og Nordhavn",
          "slug": "edc-poul-erik-bech,-oesterbro-og-nordhavn-ndr.-frihavnsgade-41-2100-koebenhavn-oe-e1caca6e2ebf4539a522d91ebad324e8",
          "branch_name": "EDC",
          "phone": "35253388",
          "email": "210@edc.dk",
          "cvr": "18215101",
          "address": {
            "road": "Ndr. Frihavnsgade",
            "house_number": "41",
            "floor": "st",
            "zip_code": 2100,
            "city": "København Ø"
          },
          "rating": {
            "buyer": "…",
            "seller": "…"
          },
          "active_listings": {
            "for_sale": 66,
            "cooperative": 0,
            "for_rent": 0
          },
          "image_url": "https://images.boligsiden.dk/images/realtor_image/e1caca6e-2ebf-4539-a522-d91ebad324e8/1440x960/3a60a9f2-1b00-4972-b0b9-b9dbc469e3db.webp?h=840f9ab7ecedcb1ed0c1738b984c0bdf67e55071c60b021b7b0a1edf11991e83"
        }
      },
      {
        "id": "d32232a1-88b4-4bcc-8ef3-2e1a59acb184",
        "listing_type": "sale",
        "status": "open",
        "url": "https://www.boligsiden.dk/adresse/drejoegade-26a-5-504-2100-koebenhavn-oe",
        "realtor_listing_url": "https://www.nybolig.dk/services/redirect/case/N260336/N2603360001564",
        "slug": "drejoegade-26a-5-504-2100-koebenhavn-oe",
        "address": {
          "address_id": "0a3f509d-cb13-32b8-e044-0003ba298018",
          "slug": "drejoegade-26a-5-504-2100-koebenhavn-oe",
          "road": "Drejøgade",
          "house_number": "26A",
          "floor": "5",
          "door": "504",
          "zip_code": 2100,
          "city": "København Ø",
          "city_slug": "koebenhavn-oe",
          "municipality": "København",
          "municipality_slug": "koebenhavn",
          "municipality_code": 101,
          "province": "Byen København",
          "province_slug": "byen-koebenhavn",
          "latest_valuation": 800000,
          "living_area": 38,
          "bfe_numbers": [
            137167
          ],
          "buildings": [
            "…",
            "…"
          ],
          "sales_history": [
            "…"
          ]
        },
        "latitude": 55.71079,
        "longitude": 12.572402,
        "address_type": "condo",
        "price": 3195000,
        "monthly_expense": 2671,
        "price_per_area": 84079,
        "area": 38,
        "lot_area": 5357,
        "rooms": 1,
        "bathrooms": 1,
        "toilets": 1,
        "floors": 1,
        "year_built": 1974,
        "energy_label": "C",
        "has_balcony": true,
        "has_terrace": false,
        "has_elevator": true,
        "days_listed": 18,
        "days_on_market": 18,
        "open_house": {
          "starts_at": "2026-11-15T13:00:00Z",
          "duration_minutes": 20,
          "sign_up_required": true,
          "sign_up_url": "https://www.nybolig.dk/services/redirect/case/N260336/N2603360001564"
        },
        "description_title": "Perfekt udnyttet 1v'er lige med stor solrig altan",
        "description": "Indflytningsklar og lys lejlighed på Østerbro med stor altan Lejlighed med altan og udsigt i topplanBeliggende øverst i ejendommen, hvor elevatoren gør vejen let for både unge og ældre, troner denne lejlighed med en fantastisk udsigt som en…",
        "financing": {
          "down_payment": 160000,
          "gross_monthly_mortgage": 17923,
          "net_monthly_mortgage": 14612
        },
        "images": [
          {
            "url": "https://images.boligsiden.dk/images/case/d32232a1-88b4-4bcc-8ef3-2e1a59acb184/1440x960/4cafea28-1b64-4bf8-973b-b390c607f85c.webp?h=a0525ccffb2d6ec6f7972f5a338f5afb8d919e05be42c2581b9a319a869377f3",
            "width": 1440,
            "height": 960,
            "alt": "Balkonen giver udsigt over et byområde med rødstensbygninger og grønne træer. Flere biler holder parkeret langs gaden. Himlen er blå med spredte skyer."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/d32232a1-88b4-4bcc-8ef3-2e1a59acb184/1440x960/b0569f00-e763-4725-9ceb-938685f927a0.webp?h=46064ea3dcd217dacc6d172df08fc507a301845958207f3dd9206679bcb2bc01",
            "width": 1440,
            "height": 960,
            "alt": "Balkonen er smalt møbleret med runde stole og sofapuder. Den er vendt mod en række gamle murstensbygninger, og glasset giver et klart udsyn over kvarteret under en blå himmel."
          },
          {
            "url": "https://images.boligsiden.dk/images/case/d32232a1-88b4-4bcc-8ef3-2e1a59acb184/1440x960/41e594a9-55b4-4149-8e05-d2727f312de5.webp?h=19c309de390a0912b1d30407ab39d75d7066af7c0c1f139950eec50fdfd29542",
            "width": 1440,
            "height": 960,
            "alt": "Soveværelse med en dobbeltseng, omgivet af lyse møbler. En stor vinduesvæg lukker lys ind og giver udsigt til hustage. Der er et fjernsyn til venstre og opbevaring."
          }
        ],
        "realtor": {
          "id": "4c84d156-3ad5-415c-96c0-0123e947cd37",
          "name": "Nybolig Østerbro - Nordhavn",
          "slug": "nybolig-oesterbro---nordhavn-dag-hammarskjolds-alle-37-2100-koebenhavn-oe-4c84d1563ad5415c96c00123e947cd37",
          "branch_name": "Nybolig",
          "phone": "48482100",
          "email": "2100@nybolig.dk",
          "cvr": "43156284",
          "address": {
            "road": "Dag Hammarskjölds Allé",
            "house_number": "37",
            "floor": "st",
            "zip_code": 2100,
            "city": "København Ø"
          },
          "rating": {
            "buyer": "…",
            "seller": "…"
          },
          "active_listings": {
            "for_sale": 102,
            "cooperative": 0,
            "for_rent": 0
          },
          "image_url": "https://images.boligsiden.dk/images/realtor_image/4c84d156-3ad5-415c-96c0-0123e947cd37/1440x960/1b7560a3-2a71-4e5e-9bf9-064e63a1a06a.webp?h=86c963b70493d8a1c1378a61c97f2e9e7e73e61429cb5c885ea385292e2a7f75"
        }
      }
    ],
    "meta": {
      "page": 1,
      "per_page": 20,
      "total_hits": 173,
      "total_pages": 9,
      "has_more": true
    }
  },
  "meta": {
    "endpoint_family": "search_cases",
    "request_id": "req_af93f1bb9bb94bada02913ce1f25b17e",
    "credits_charged": 1,
    "credits_remaining": 1887
  }
}
200 OKJSONX-Credits-Used: 1
Recorded from our API and shortened.

Sample data

What one call returns

A recorded run of search: the fields and shapes you will get, shortened to 3 items.

#idstringlisting_typestringstatusstringurlurlrealtor_listing_urlurlslugstringaddressobjectlatitudenumberlongitudenumberaddress_typestringpriceintegermonthly_expenseintegerprice_per_areaintegerareaintegerlot_areanumberroomsintegerbathroomsintegertoiletsintegerfloorsintegeryear_builtintegerenergy_labelstringhas_balconybooleanhas_terracebooleanhas_elevatorbooleandays_listedintegerdays_on_marketintegeropen_houseobjectdescription_titlestringdescriptionstringfinancingobjectimagesobject[]realtorobject
1eee9fbda-f643-4b44-b647-da4c12364c13saleopenhttps://www.boligsiden.dk/adresse/stadens-vaenge-3-3-3-2100-koebenhavn-oehttps://www.nybolig.dk/services/redirect/case/N260336/N2603360001661stadens-vaenge-3-3-3-2100-koebenhavn-oe{19 fields}55.70399512.559329condo284500025519177431176211112002Dfalsefalsefalse1414{4 fields}Perfekt studiebolig eller til investoren.Gode parkederingsmuligheder ved ejendommen. Lige ved Jagtvej og med direkte forbindelse til både charmerende indre Østerbro og pulserende Nørrebro ligger denne veludnyttede etværelses lejlighed. 31 kvadratmeter er godt fordelt over et lysfu…{3 fields}[3 items]{11 fields}
24122f0ca-802b-4626-9451-4881296b0a97saleopenhttps://www.boligsiden.dk/adresse/drejoegade-26a-0-4-2100-koebenhavn-oehttps://www.edc.dk/sag/?sagsnr=21010274drejoegade-26a-0-4-2100-koebenhavn-oe{19 fields}55.7107912.572402condo299500022857881638—11111974Ctruefalsetrue9292{4 fields}Velholdt etværelses med privat, vestvendt altanÅbent hus med tilmeldingskrav 13/11 - klik på billede - På en rolig beliggenhed mellem Fælledparken og Kildevældsparken finder du denne veldisponerede og velholdte etværelses lejlighed med en hyggelig, vestvendt altan i stueplan. Bolige…{3 fields}[3 items]{11 fields}
3d32232a1-88b4-4bcc-8ef3-2e1a59acb184saleopenhttps://www.boligsiden.dk/adresse/drejoegade-26a-5-504-2100-koebenhavn-oehttps://www.nybolig.dk/services/redirect/case/N260336/N2603360001564drejoegade-26a-5-504-2100-koebenhavn-oe{19 fields}55.7107912.572402condo319500026718407938535711111974Ctruefalsetrue1818{4 fields}Perfekt udnyttet 1v'er lige med stor solrig altanIndflytningsklar og lys lejlighed på Østerbro med stor altan Lejlighed med altan og udsigt i topplanBeliggende øverst i ejendommen, hvor elevatoren gør vejen let for både unge og ældre, troner denne lejlighed med en fantastisk udsigt som en…{3 fields}[3 items]{11 fields}

Recorded from our API · 3 items shown · 32 datapoints per itemGET /v1/boligsiden/search?per_page=20&zip_codes[]=2100&listing_type=sale&sort_by=price&price_max=8000000

32 datapoints

Identity

  • idstring
  • listing_typestring
  • statusstring
  • slugstring
  • description_titlestring

Contact

  • urlurl
  • realtor_listing_urlurl

Location

  • addressobject
  • latitudenumber
  • longitudenumber
  • address_typestring
  • price_per_areainteger
  • areainteger
  • lot_areanumber

Reputation

  • imagesobject[]

Price

  • priceinteger

Other

  • monthly_expenseinteger
  • roomsinteger
  • bathroomsinteger
  • toiletsinteger
  • floorsinteger
  • year_builtinteger
  • energy_labelstring
  • has_balconyboolean
  • has_terraceboolean
  • has_elevatorboolean
  • days_listedinteger
  • days_on_marketinteger
  • open_houseobject
  • descriptionstring
  • financingobject
  • realtorobject

Playground

Run this API

cURLshell
curl "https://api.perceptlayer.com/v1/boligsiden/search?per_page=20&zip_codes[]=2100&listing_type=sale&sort_by=price&price_max=8000000" \
  -H "X-API-Key: $API_KEY"

Boligsiden · 10 endpoints

Endpoints

Every endpoint takes the same key. Open one for its parameters and an example request.

EndpointRequired parametersCost
GET/v1/boligsiden/address
id
1 credit
GET/v1/boligsiden/agencies
location_name+6 optional
1 credit
GET/v1/boligsiden/agency
id
1 credit
GET/v1/boligsiden/foreclosures
none+4 optional
1 credit
GET/v1/boligsiden/listing
id
1 credit
GET/v1/boligsiden/locations
q+2 optional
1 credit
GET/v1/boligsiden/previews
none+14 optional
1 credit
GET/v1/boligsiden/price-history
id
1 credit
GET/v1/boligsiden/reference
type
1 credit
GET/v1/boligsiden/search
none+36 optional
1 credit

Overview

What you can get

The Boligsiden API returns Boligsiden property data for Denmark as JSON through 10 endpoints.

  • Search: search takes a listing_type (sale or rent) and repeatable zip_codes[], cities[], municipalities[], provinces[], address_types[] and energy_labels[], with price_min, price_max, rent_min, rent_max, deposit_min, deposit_max, rooms_min, rooms_max, area_min, area_max, lot_area_min, lot_area_max, floor_min, floor_max, monthly_expense_min, monthly_expense_max, year_built_from, year_built_to, free_text, realtor_id, true/false balcony, terrace, elevator, price_drop and pets_allowed, sort_by (price, living_area, lot_area, price_per_area, time_on_market, days_listed, price_change, rooms, monthly_expense, address, zip_code or last_price_drop), sort_ascending, page and per_page. previews takes a shorter set of the same filters.
  • Listings and addresses: listing, price-history and address take an id.
  • Agents: agencies takes a location_name, with location_type (city or municipality), address_type, sort_by (rating, amount_sold, sale_time, price_change or price_per_area), sort_ascending, page and per_page; agency takes an id.
  • Foreclosures: foreclosures takes page, per_page, sort_ascending and sort_by (published_date or auction_date).
  • Lookups: locations takes q, with listing_type and repeatable address_types[]; reference takes a type (zip_codes, municipalities or provinces).

The recorded search (per_page=20, zip_codes[]=2100, listing_type=sale, sort_by=price, price_max=8000000) returns results, each with id, listing_type, status, url, address, address_type, price, monthly_expense, price_per_area, area, rooms, year_built, energy_label, days_on_market, open_house, financing and realtor. Each address carries address_id, latest_valuation and sales_history. It also returns total_hits (173), total_pages and has_more.

How a call works

Search homes for sale in København Ø: GET /v1/boligsiden/search?per_page=20&zip_codes[]=2100&listing_type=sale&sort_by=price&price_max=8000000 with your key in the X-API-Key header. Each result's id goes to listing, its address.address_id to address, and its realtor.id to agency. Every successful call costs 1 credit; failed calls cost nothing.

Real estateJSONRESTMCP

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Use cases

Track asking prices and price per square metre by Danish postcode or municipality

Use the Boligsiden API to track asking prices and price per square metre by Danish postcode or municipality

Pull an address's past sales and latest valuation for comparables

Use the Boligsiden API to pull an address's past sales and latest valuation for comparables

Watch price drops with `price_drop` or `sort_by=last_price_drop`

Use the Boligsiden API to watch price drops with `price_drop` or `sort_by=last_price_drop`

Compare monthly owner costs and mortgage estimates from `financing`

Use the Boligsiden API to compare monthly owner costs and mortgage estimates from `financing`

FAQ

Questions

Do I need a Boligsiden account?

No. You call this Boligsiden API with your Perceptlayer key in the `X-API-Key` header, with no Boligsiden login.

How much does the Boligsiden API cost?

Each successful call costs one credit. New accounts get free credits to start, and credit packs bring the price down as you scale.

What format are responses in?

Every endpoint returns JSON, with no HTML parsing on your side.

Can I get sold prices for an address?

Yes. Each search result's `address` includes `sales_history`, and you can pass its `address_id` to `address` as `id`.

Should I build a Boligsiden scraper instead?

You can, but a Boligsiden scraper is code you maintain: page changes break it, requests get blocked, and Boligsiden's terms govern how you collect data. The Boligsiden API gives you 10 endpoints of named JSON fields for 1 credit per successful call, and failed calls cost nothing. A scraper makes sense only for data these endpoints don't return, so check the response in the playground on this page first.

Try the Boligsiden API with 100 free credits

No credit card. Failed calls are never billed.

Get a free API keyRead the docs