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Assembly of Napoleonic Cadastral Map Sheets in BrittanyAssemblage des feuilles du cadastre napoléonien en Bretagne

Assemblage des feuilles du cadastre napoléonien en BretagneAssembly of Napoleonic Cadastral Map Sheets in Brittany

APIExecutable4/7Query nowOpen workbenchSubscribe🇫🇷France

This API provides an assembled set of sheet outlines from the Napoleonic cadastre covering Brittany, France. The Napoleonic cadastre was established by the law of 15 September 1807 under Napoleon I and forms an early systematic land-parcel survey. Each sheet record includes attributes such as the department code and the INSEE code of the municipality it covers, allowing sheets to be linked to specific historical communes. The dataset is published via the Brittany regional open-data portal and is useful for historical, genealogical, and land-history research relating to property boundaries in the region during the early 19th century.Assemblage des contours des feuilles du cadastre napoléonien de Bretagne. Le cadastre napoléonien a été institué en France par la loi du 15 septembre 1807 sous le règne de Napoléon 1er. Parmi les informations rattachées à chaque feuille, on trouvera : le code département, le code insee de la comm...

42
fair

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

Data schema (3 fields)

Filterable via the API (3)
exceptioncodelocatorows_exceptiontext

Click a field to see example values.

FillFieldTypeDescription
100%exceptioncodeFilterable via the APItextCode identifying the type of error returned by the service.Code identifying the type of error returned by the service.
100%locatorFilterable via the APItextParameter or element in the request that caused the exception.Parameter or element in the request that caused the exception.
100%ows_exceptiontextFilterable via the APIOws exceptiontexttextText message describing the OWS service exception.Text message describing the OWS service exception.

Schema captured from opendatasoft 7 days 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.

=

Sample data (1 record)

exceptioncodelocatorows_exceptiontext
InvalidParameterValueserviceNo service: ( WFS?request=GetCapabilities )

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

Verification Status

Using the API

Configuration

Base URL
https://data.bretagne.bzh/api/explore/v2.1/catalog/datasets/assemblage-des-feuilles-du-cadastre-napoleonien-en-bretagne

License

  • Redistributable
  • Attribution required

Query examples

curl -s 'https://data.bretagne.bzh/api/explore/v2.1/catalog/datasets/assemblage-des-feuilles-du-cadastre-napoleonien-en-bretagne/records?limit=20' -H 'Accept: application/json'

First 20 records of the dataset as JSON.

Uses the Opendatasoft Explore v2.1 syntax — supports select, where, group_by and order_by.

Full API documentation ↗

Rate limits

5 000 req/day
per ipmeasured
observed 7 days ago

Dataset

Volume & freshness

Records
1
Last upstream update
9 days ago
2026-08-30

License

No license declared upstream.

Documentation Data dictionary Versioning

Source: opendatasoft

Machine-readable & source

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