VAT Check

vatcheck.app

VAT Check is a B2B web application that provides instant validation of EU VAT numbers by integrating directly with the official VIES database. It offers both a user-friendly interface for manual checks and a RESTful API for bulk validation, supporting all 27 EU member states. The service is designed to be fast, accurate, and developer-friendly, helping businesses ensure compliance and reduce fraud in cross-border transactions.

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