FirmaAPI

firmaapi.dk

FirmaAPI is a Danish B2B data service providing structured access to official CVR registry information for businesses and developers. The platform offers a REST API with JSON responses, webhooks for real-time monitoring of corporate changes, and an MCP server designed to integrate directly with AI agents like Claude and ChatGPT for automated company lookups and financial analysis.

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 FirmaAPI mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "FirmaAPI",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]