Authentication, input and response
WOZ API methods
POST to receive WOZ value for a single address
GET WOZ value for a BAG ID
Post object data to receive WOZ values
POST https://api.altum.ai/woz
This endpoint allows you to get the latest WOZ values from our database. A POST request requires a body parameter(Address).
Headers
Content-Type
string
application/json
x-api-key*
string
Unique API Key from Altum. Create one via Mopsus(https://mopsus.altum.ai)
Request Body
postcode*
string
Zipcode of the object
housenumber*
string
House number of the object
addition
string
House number addition
index
boolean
Use 1 to add an "IndexedValue" to the latest available WOZ value indexed with the Kadaster index to the current month. Default = 0
cache
boolean
Use 0 to override fetching from cache and perform a live request. Default = 1
{
"message": "Missing Authentication Token"
}{
"message": "Internal server error"
}{
"Output": {
"BagID": "499010002023718",
"PostCode": "2771DS",
"HouseNumber": "87",
"HouseAddition": null,
"HouseAddress": "2771DS-87-",
"City": "Boskoop",
"Street": "Zuidkade",
"HouseType": "woonfunctie",
"BuildYear": 1961,
"OuterSurfaceArea": 1605,
"Longitude": 4.65808526945334,
"Latitude": 52.068393816655316,
"WOZ-source_date": "2023-03-21",
"wozvalue": [
{
"Date": "01-01-2022",
"Value": "630000",
"IndexedValue": "644942"
},
{
"Date": "01-01-2021",
"Value": "551000"
},
{
"Date": "01-01-2020",
"Value": "518000"
},
{
"Date": "01-01-2019",
"Value": "498000"
},
{
"Date": "01-01-2018",
"Value": "490000"
},
{
"Date": "01-01-2017",
"Value": "469000"
},
{
"Date": "01-01-2016",
"Value": "430000"
}
]
}
}{
"detail": {
"Output": "The combination of postcode, house number and house addition does not exist or have no WOZ."
}
}{
"detail": [
{
"loc": [
"body",
"postcode"
],
"msg": "Unsupported postcode length, it should be six.",
"type": "value_error"
}
]
}API key limit exceededGET WOZ Values with BAGID request
GET https://api.altum.ai/woz?bag_id={bag_id}
This endpoint responds with the latest WOZ values from our database. The GET Method requires a query parameter(bag_id) with the value being the actual 16-character BAGID.
Query Parameters
bag_id*
string
16 digits BAG ID
"0402010001567022"
Headers
Content-Type
string
application/json
x-api-key*
string
API Key from Altum. Create one via Mopsus(https://mopsus.altum.ai)
{
"Output": {
"BagID": "0622010000065935",
"PostCode": "3136KZ",
"HouseNumber": "832",
"HouseAddition": null,
"HouseAddress": "3136KZ-832-",
"City": "Vlaardingen",
"Street": "Aalscholverlaan",
"HouseType": "woonfunctie",
"BuildYear": 1969,
"OuterSurfaceArea": 1412,
"Longitude": 4.350730676835097,
"Latitude": 51.93255387951979,
"WOZ-source_date": "2020-12-22",
"wozvalue": [
{
"Date": "01-01-2019",
"Value": 157000
},
{
"Date": "01-01-2018",
"Value": 133000
},
{
"Date": "01-01-2017",
"Value": 122000
},
{
"Date": "01-01-2016",
"Value": 122000
},
{
"Date": "01-01-2015",
"Value": 122000
},
{
"Date": "01-01-2014",
"Value": 132000
}
]
}
}{
"detail": [
{
"loc": [
"query",
"bag_id"
],
"msg": "ensure this value has at least 16 characters",
"type": "value_error.any_str.min_length",
"ctx": {
"limit_value": 16
}
}
]
}{
"message": "Missing Authentication Token"
}{
"message": "Internal server error"
}{
"detail": [
{
"loc": [
"body",
"postcode"
],
"msg": "Unsupported postcode length, it should be six.",
"type": "value_error"
}
]
}API key limit exceededFREE Ping for availability
Post object data to receive availability of WOZ values
POST https://api.altum.ai/woz/ping
This endpoint allows you to get the availability of the latest WOZ values from our database. A POST request requires a body parameter (Address).
Headers
Content-Type
string
application/json
x-api-key*
string
API Key from Altum. Create one via Mopsus(https://mopsus.altum.ai)
Request Body
postcode*
string
Zipcode of the object
housenumber*
string
House number of the object
addition
string
House number addition
index
boolean
Use 1 to add an "IndexedValue" to the latest available WOZ value indexed with the Kadaster index to the current month. Default = 0
cache
boolean
Use 0 to override fetching from cache and perform a live request. Default = 1
{
"message": "Missing Authentication Token"
}{
"message": "Internal server error"
}{
"Output": "WOZ data for 1616EG-130- is available.",
"Latest Date": "01-01-2021"
} {
"detail": [
{
"loc": [
"body",
"postcode"
],
"msg": "Unsupported postcode length, it should be six.",
"type": "value_error"
}
]
}Request body
Example request
{
"postcode": "2771DS",
"housenumber": "87",
"addition": "",
"index": 1,
"cache": 0
}Request query
Example request
https://api.altum.ai/woz?bag_id=0402010001567022Last updated