Invoice SIM

invoice-sim.com

Invoice SIM is a free, browser-based tax simulation tool designed for Japanese freelancers and sole proprietors. It helps users compare consumption tax liabilities across four different taxation methods in preparation for the expiration of transitional measures in October 2026. The platform provides automated calculations based on current tax reforms without requiring user registration or data submission.

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