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  • Use cases
  • MCP install guide
  • Connect ChatGPT
  • Connect Claude
  • Connect Claude Code
  • Connect Cursor
  • Connect VS Code
  • Connect Windsurf
  • Connect Gemini CLI
  • Connect n8n
  • Connect LangChain
  • First REST request

Documentation

REST API and MCP server for French real estate data (DVF). 18.1 million cleaned property sales, available in seconds.

Get started Interactive playground

In English so far: the install guides, the quickstart, the concepts and the use cases. The API and MCP reference, data pages and guides are in French for now; tool and field names are the same in both.

Where to start

Quickstart

Your first request in 2 minutes

REST API

26 endpoints, authentication, pagination (in French)

MCP server

33 tools for Claude and ChatGPT (in French)

DVF data

18.1M+ property sales, 2014 to today (in French)

DPE data

ADEME energy diagnostics joined to DVF (in French)

BDNB data

32M CSTB buildings joined to DVF (in French)

Choose your integration

REST API →

Integrate from any language with standard HTTP requests (reference in French).

MCP Server →

Connect Claude or ChatGPT directly to 33 real estate tools.

Playground →

Try the endpoints live without writing a line of code (in French).

Ready in 2 minutes

Create an account, get an API key, make your first request.

Install guide →
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MCP install guide

DVF source (data.gouv.fr) cleaned by Normi: deduplication, outlier filtering, property typing. Data released under the Open Licence 2.0. Works with Claude Desktop, Cline, Cursor, VSCode and streamable HTTP.

MCP DVF shortcuts

MCP transportsDVF toolsGuided promptsSetupFAQNormi for ClaudeDVF API comparisonJoining DVF, DPE and BDNBRaw vs clean DVFPricing
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