KSeF (Krajowy System e-Faktur) is Poland’s national electronic invoicing system managed by the Ministry of Finance. It mandates the issuance and receipt of structured e-invoices for businesses, aiming to streamline tax compliance, accelerate document circulation, and enhance fiscal transparency. The system provides a centralized platform for digital invoice management with phased implementation timelines based on company size.

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