TaxPenaltyFast

TaxPenaltyFast is a digital tool provider specializing in IRS underpayment and late payment penalty calculators for individuals and businesses. The platform offers free, browser-based estimation tools that help users calculate potential tax fees, assess safe harbor compliance, and understand 2026 IRS penalty rates and interest compounding without data storage.

LLM mention score

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.

Get Free API Credits API Documentation

How to get LLM mention data →

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