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Buildings at a point

GETapi.baseray.ai/v1/buildings/at

The buildings whose outline lies within radius_m of a point, nearest first. An area outside the countries baseray covers answers with no buildings; https://baseray.tech/countries lists them and takes requests for others.

Requires an API key. How to authenticate.

Query parameters

latnumberrequired-90–90
Latitude of the point, WGS84.
lonnumberrequired-180–180
Longitude of the point, WGS84.
radius_mnumber1–200default 25
How far from the point to look, in metres.
limitinteger1–25default 10
How many buildings to return, nearest first.

Response 200

OK

dataarray of BuildingSummaryrequired
Nearest first.
building_idstring (uuid)required
The building's baseray id.
addressstring or nullrequired
The building's address as a record states it (address_evidence says which kind): street and house number, a Romanian village's nr. 350 where the record names no street, or a Czech municipality and number (Lhota 25), with the block where one is given. Null when no address of the building is on record; the nearest named road is then nearest_road, never this.
nearest_roadstring or nullrequired
The named road nearest the building, given only where no address of it is on record (address is then null). It helps find the building but is not its address: no house number is known.
address_evidenceaddress_record | business_listing or nullrequired
What kind of record address comes from: address_record (an address record of the building) or business_listing (a listing of a business at the building, not an address record of it). Null when address is null or the kind is unknown.
address_corroborationcorroborated | single_source | conflicting or nullrequired
How other records back the house number of address, as the address_corroboration filter reads it: corroborated (an independent record gives the same number), single_source (only one record) or conflicting (another record gives another number). Null without a house number.
postal_codestring or nullrequired
The official postcode of the building's address; null when none is on record.
localitystring or nullrequired
Town, city or village.
countrystring or nullrequired
ISO 3166-1 alpha-2 country code.
latitudenumberrequired
Latitude of the building's centre, WGS84.
longitudenumberrequired
Longitude of the building's centre, WGS84.
categoryresidential_house | apartment_block | commercial | industrial | public | agricultural | ancillary | unknownrequired
Building category; ancillary is an annex or outbuilding.
category_evidenceconfirmed | corroborated | inferred | conflicting | unconfirmedrequired
How firmly category is known: confirmed (an official register states it), corroborated (several sources agree), inferred, conflicting (sources disagree) or unconfirmed (always so for unknown).
building_typestring or nullrequired
The building's granular type where a record states one, as the building_type filter reads it, e.g. office, warehouse, school, apartments; null when none is stated.
roof_shapestring or nullrequired
The roof's shape, as the roof_shape filter reads it, e.g. gabled, hipped, flat; null when unknown.
footprint_area_m2numberrequired
Area of the building's outline, in m². It is the ground footprint only where the outline is drawn at the walls (outline_reference footprint on the building's detail); an outline drawn at the roof's edge (roof_edge) takes in the eaves and is larger.
heightHeight or any or nullrequired
Height; null when unknown.
metresnumberrequired
Height in metres.
basismeasured | stated | estimatedrequired
measured (the building itself was measured), stated (a record gives it: an official building catalogue, crowd mapping or the dataset of the building's outline) or estimated (modelled).
volume_m3number or nullrequired
Volume, in m³; null when unknown.
volume_basismeasured | estimated or nullrequired
Whether the volume is measured or estimated; null with the volume.
floor_areaFloorArea or any or nullrequired
Floor area, with what it rests on and what it counts; null when unknown.
square_metresnumberrequired
Floor area, in m².
basismeasured | stated | estimated or nullrequired
stated (a record states it for the building) or estimated (modelled: the footprint, or a record's built area, times the floors); null when unknown.
scopegross_whole_building | net_whole_building | gross_full_storeys | gross_above_ground or nullrequired
What the figure counts: gross_whole_building (every storey, walls included), net_whole_building (the usable area of every storey, walls excluded), gross_full_storeys (the ground floor and every full storey, walls included; the basement and the attic are not counted) or gross_above_ground (the footprint times the floors above ground, walls included); null when unknown.
floorsinteger or nullrequired
Floors above ground; null when unknown.
floors_including_undergroundinteger or nullrequired
Only where floors is unknown: the floors above and below ground counted together, as a building register states them (Czechia's counts them so, a habitable attic as one). How many of them are above ground is not on record. Null otherwise.
construction_yearinteger or nullrequired
The year a register states the building was completed; null when none states it.
completed_by_yearinteger or nullrequired
Where a register dates the building only by a census period: the last year of that period, the year it stood by. Null otherwise.
dwellingsinteger or nullrequired
Dwellings, where known; null when unknown.
existing_solar_panelsExistingSolarPanelsrequired
Whether solar panels are already on the roof, as a dated photo of the roof shows it. This is the photo alone: solar_presence settles it with the registers of connected installations, which outrank a photo.
statusdetected | none_seen | unclear | not_checkedrequired
detected, none_seen, unclear, or not_checked (never checked, or the photo was too coarse to check).
photo_datestring (date) or nullrequired
Date of the photo checked; null when undated or never checked.
confidencenumber or nullrequired0–1
The check's confidence in its result, 0 to 1; null when not checked.
analysed_onstring (date) or nullrequired
The day the photo was checked for panels; null when never checked.
photo_resolution_cmnumber or nullrequired≥ 0
How fine the photo is, in centimetres per pixel; a photo too coarse to check is why a roof stays not_checked. Null when not known.
solar_presenceregistered | detected | registered_at_address | none_seen | unclear | unknownrequired
Whether the building carries solar panels, settled across the official registers of connected solar installations and the roof photo of existing_solar_panels. A register entry is the stronger evidence: a photo may predate an installation or miss it. registered: a register states an installation at the building's address, and the building alone holds that address or its own photo shows the panels. detected: panels are seen in the photo and no register states an installation. registered_at_address: a register states an installation at an address this building shares with others (registered_solar.address_building_count of them) and its photo shows none, so the register does not say which roof carries the panels: not a plain yes. none_seen: a photo detailed enough shows no panels and no register states an installation. unclear: the photo is unclear and no register states one. unknown: neither says. A building no register names is never thereby without solar: an installation may be off the grid, or registered under an address written otherwise. The solar_presence and exclude_solar_presence filters of GET /buildings read this field.
registered_solarRegisteredSolar or any or nullrequired
The solar installations official registers state at the building's address; not null exactly when solar_presence is registered or registered_at_address. Null says nothing of the roof.
installation_countintegerrequired≥ 1
Installations registered at the address.
installed_power_kwnumber or nullrequired
Installed power in kW: the installations' sum where every one states its own, null otherwise, never a partial sum.
export_power_kwnumber or nullrequired
Power approved to feed the grid, in kW: the installations' sum where every one states its own, null otherwise.
storage_capacity_kwhnumber or nullrequired
Energy storage in kWh: the sum where every installation that stores states its capacity, null otherwise; often null even where has_storage is true.
has_storageboolean or nullrequired
True where an installation is stated to store energy, false where every installation is stated to store none, null where the register does not say. A register of generation licences does not record storage.
first_connected_onstring (date) or nullrequired
The earliest date the installations state; null when not stated, or when a register states only the year (establishment_year), which is then given as first_connected_year alone. What it dates is in kinds: a connection certificate for grid_connection, the start of the current holder's licence for generation_licence, when the plant may be older.
latest_connected_onstring (date) or nullrequired
The latest date the installations state, of the same meaning as first_connected_on, and the same date for a single installation.
first_connected_yearinteger or nullrequired
The year of the earliest date the installations state, given whenever a date is. Where a register states only the year (establishment_year in kinds) it is the only date given: first_connected_on and latest_connected_on are then null. Null when nothing is stated.
latest_connected_yearinteger or nullrequired
The year of the latest date the installations state, of the same meaning as first_connected_year, and the same year for a single installation.
address_building_countintegerrequired≥ 1
Buildings holding the address the register names, this one included. Of several installations it is the fewest: one at an address the building alone holds is its own.
shares_addressbooleanrequired
True when address_building_count is above 1: the register then does not say which of the buildings carries the panels.
kindsarray of grid_connection | generation_licence | establishment_yearrequired
What the registers record, which says what the dates mean. grid_connection: a grid operator's list of connected installations, dated by the connection certificate. generation_licence: a regulator's generation licences, dated by the start of the current holder's licence, so the plant may be older and the date is never when it was installed. establishment_year: a building register's installations, dated by the year the installation was established as an owner or a municipality states it, never by its connection; only the year is stated, so the dates are null and only first_connected_year and latest_connected_year are given. Usually one kind; empty only when the kind could not be read.
reported_throughstring (date)required
The last day of the latest month the registers report: an installation entered after it is not yet listed.
solar_potentialSolarPotential or any or nullrequired
Rooftop solar potential; null where the roof has not been modelled.
max_panel_countinteger or nullrequired
Solar panels that fit on the roof.
max_capacity_kwpnumber or nullrequired
Capacity of those panels, in kWp.
yearly_energy_kwhnumber or nullrequired
Energy they would produce in a year, in kWh.
usable_roof_area_m2number or nullrequired
Roof area usable for panels, in m².
co2_savings_kg_per_yearnumber or nullrequired
CO₂ the installation would save, in kg a year.
basismeasured | measured_cut_to_outline | estimated or nullrequired
measured where the figures come from the roof itself as measured: a surface model read over it, or roof planes an open survey measured on the building (roof_analysis.roof_survey says how). measured_cut_to_outline where the measured roof took in the roofs attached to the building (a terraced or semi-detached house) and was cut to the building's outline: its planes and panels were measured, but each is kept or dropped whole by where its centre lies, so the figures approximate the building's own part. estimated where they are modelled from the footprint and sunshine. Null when not said.
registered_business_countintegerrequired≥ 0
Active businesses whose registered office is the building's address. Never ownership or occupancy.
registered_business_employeesstring or nullrequired
The largest stated size of a business registered at the address, as the registered_business_employees sort and filters read it: an exact count (12), a band (10–49) or an open top band (1000 or more); null when none is stated.
registered_business_turnoverTurnover or any or nullrequired
The largest latest turnover of a business registered at the address, as the registered_business_turnover sort and filters read it; null when none is on record.
amountintegerrequired
Turnover, in whole units of currency.
currencystring or nullrequired
ISO 4217 currency of the statement.
financial_yearinteger or nullrequired
The financial year of the statement.
flood_zone5_year | 10_year | 20_year | 50_year | 100_year | 100_year_climate_change | 500_year | 1000_year | 10000_year or nullrequired
The most frequently flooded zone of an official flood hazard map the building lies in, named by the return period of its flood; 100_year_climate_change is the 1-in-100-year flood under the climate the map projects. Null means outside every zone only where flood_zone_mapped is true; elsewhere the zone is unknown.
flood_zone_mappedbooleanrequired
True where a served flood hazard map covers the building. Flood maps are served only where their licence allows it; where none covers the building this is false and its flood zone is unknown, never "no flood risk".
flood_zone_sourcestring or nullrequired
The credit and the reading the flood map's publisher requires wherever its zone is shown, such as Denmark's "Kilde: Kystdirektoratet, Kystplanlægger.dk" with its note that the zone is a screening, never an assessment of the property. Null where no served map covers the building, or its publisher requires none.
seismic_design_acceleration_gnumber or nullrequired
The design peak ground acceleration of the building's site, in g, as the national seismic design code maps it (P100-1/2013 in Romania); null when unknown.
seismic_risk_classRsI | RsII | RsIII | RsIV | U1 | U2 | U3 | consolidated or nullrequired
The seismic risk class an official list of technically assessed buildings gives the building: RsI (the highest risk) to RsIV, the urgency classes U1 (the most urgent) to U3 older assessments set, or consolidated (strengthened since). Null when the building is on no such list, which says nothing of its risk.
seismic_risk_assessment_yearinteger or nullrequired
The year of the assessment that set seismic_risk_class; null when not stated.
owner_typeprivate_person | social_housing | company | association | cooperative_housing | municipality | region | state | other or nullrequired
The kind of owner the building's property has on record, never who owns it: private_person (private persons or a partnership of them), social_housing (a non-profit social housing organisation), company, association (an association, foundation or self-owned institution), cooperative_housing (a housing co-operative), municipality, region, state, or other (any other owner, or owners of several of these kinds together; nothing more is on record). Null means unknown: no record states one kind for the building, as for a building divided into flats owned one by one.
app_urlstring (uri)required
The building in the baseray app.

Errors

400
A parameter is missing, malformed or out of range (invalid_parameter).
401
No API key, or one that does not work: missing_api_key, invalid_api_key, revoked_api_key or expired_api_key.
402
insufficient_credits: the answer's buildings need more credits than the workspace has left this month. Nothing was returned or charged.
403
The key may not do this: insufficient_scope, or workspace_access_revoked when the key's creator no longer belongs to its workspace.
429
rate_limited (the key's per-minute limit) or quota_exceeded (the workspace's daily quota).
503
The building catalogue is unavailable right now (upstream_unavailable); retry after Retry-After seconds.

Every error has the same shape. Error codes.