Contour lines Voisins-le-Bretonneux - CA Saint-Quentin-en-YvelinesCourbes de niveaux Voisins le Bx - CA Saint-Quentin-en-Yvelines

Courbes de niveaux Voisins le Bx - CA Saint-Quentin-en-YvelinesContour lines Voisins-le-Bretonneux - CA Saint-Quentin-en-Yvelines

APIDiscovered1/7blocked by verifiedQuery nowOpen workbench Subscribe🇫🇷France

Website Docs

This API provides access to contour line (elevation) data for the commune of Voisins-le-Bretonneux, within the Saint-Quentin-en-Yvelines urban community in France. The dataset was built in 2019 by SQY (Communauté d'agglomération Saint-Quentin-en-Yvelines) and is maintained at a precision scale of 1:500. It describes topographic relief through level curves, useful for construction, land-use planning, and hydrological analysis at the local scale. Access is free and requires no authentication.Informations générales de la classe d'entité Origine ou Source : SQY Date de construction : 2019 Actualité : 2019 Précision : 500e Systè…

waterconstructioneducation

⬇ Export CSV List records Run verified request Schema OpenAPI spec Read the docs

Trust score

How is this computed?

fair

Weighted across five axes. Tap a ring for what it measures.

Data schema (5 fields)

Filterable via the API (5)

objectididcontourgeometryshape_len

Click a field to see example values.

Field	Type	Description
objectid	integer	Internal object identifier for the contour line feature.Internal object identifier for the contour line feature.
id	integer	Unique identifier for the contour line record.Unique identifier for the contour line record.
contour	integer	Elevation value in meters represented by the contour line.Elevation value in meters represented by the contour line.
geometryGeometry	string	Line geometry of the contour, in GeoJSON format.Line geometry of the contour, in GeoJSON format.
shape_len	number	Length of the contour line geometry.Length of the contour line geometry.

Schema captured from datafair 10 hours ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

Where=

Sort by

Sample data (5 records)

objectid	id	contour	geometry	shape_len	_score
1	1	168	{"type":"LineString","coordinates":[[2.0608289301048726,48.75241474778664],[2.0608306713841027,48.75241531245136],[2.0608311411830567,48.75241390157255],[2.0608310392512057,48.752413606641944],[2.0608309208766578,48.752413463571756],[2.0608307095931386,48.75241327027568],[2.0608300183560977,48.75241314050655],[2.060827557857973,48.75241357816113],[2.0608289301048726,48.75241474778664]]}	0.786327641270169	—
2	2	168	{"type":"LineString","coordinates":[[2.0614688074324676,48.7528982107519],[2.061507485986299,48.75291041942916],[2.061531869754357,48.75288885740543],[2.0615373991906734,48.752873045669176],[2.0615233265188397,48.75286304196593],[2.061508459598016,48.75285834529461],[2.06148730909215,48.752858654456574],[2.0614710793955973,48.752872503510716],[2.0614688074324676,48.7528982107519]]}	17.0476439185249	—
3	3	168	{"type":"LineString","coordinates":[[2.0597902448229926,48.752860716983506],[2.0597932080734256,48.75286139689895],[2.059796763990879,48.75286115171075],[2.0598040251232375,48.752858862900496],[2.0598592363171306,48.752816213237814],[2.0597935106836096,48.75284524114347],[2.059790686502637,48.752857033149034],[2.0597876814717253,48.75285872904931],[2.0597902448229926,48.752860716983506]]}	15.047661250006799	—
4	4	168	{"type":"LineString","coordinates":[[2.0583872844006943,48.754437842995145],[2.0583914843957474,48.75443756625767],[2.0583951515929453,48.75443755856121],[2.058404763125251,48.75443521266755],[2.058413853342926,48.75442070469833],[2.0583918318492462,48.75441904460749],[2.058369296841274,48.75442003346729],[2.0583578358812886,48.75443482777685],[2.0583872844006943,48.754437842995145]]}	10.408988748118299	—
5	5	168	{"type":"LineString","coordinates":[[2.0521899291924584,48.76448366613979],[2.0521983354854156,48.76448762623774],[2.0522094650771447,48.76448555329736],[2.052215108433284,48.7644782681434],[2.052209854905256,48.76447081929815],[2.0521988247283836,48.764461721878156],[2.05218077168698,48.76446610483437],[2.052180565031186,48.76447798301986],[2.0521899291924584,48.76448366613979]]}	8.39836864938122	—

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL: https://opendata.sqy.fr/data-fair/api/v1/datasets/courbes-de-niveaux-voisins-le-bx-ca-saint-quentin-en-yvelines/
Format: openapi

License

Licence Ouverte 2.0 (France / Etalab)Open

✓ Redistributable
✓ Attribution required

Query examples

curl -s 'https://opendata.sqy.fr/data-fair/api/v1/datasets/courbes-de-niveaux-voisins-le-bx-ca-saint-quentin-en-yvelines/lines?size=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Full API documentation ↗

Dataset

Volume & freshness

Records

695

Last upstream update

18 days ago

2026-09-13

License

No license declared upstream.

○ Documentation○ Data dictionary○ Versioning

Source: datafair

Machine-readable & source

OpenAPI spec JSON

Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.