The BDNB (La Base de Données Nationale des Bâtiments) is a comprehensive national building database developed by the CSTB, aggregating geospatial and attribute data for over 32 million residential and commercial buildings in France. It provides B2B clients with access to detailed building identities, including morphological, technical, energy performance, and administrative attributes, through APIs, bulk exports, and specialized analytics services. The platform supports sectors involved in ecological transition, energy renovation, urban planning, and public policy evaluation by offering a unified, authoritative dataset derived from multiple public sources.

LLM mention score The LLM mention score is the total number of mentions of this brand in different LLM chatbots, normalized to the scale from 0 to 100. You can get actual, non-normalized numbers via the LLM Mention API from DataForSEO.

Normalized 0–100 · last 8 weeks

DataForSEO API

Get LLM mention data of any company via DataForSEO API

Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count. 

How to get LLM mention data →
// Fetch BDNB mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "BDNB",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]