Validar CNPJ

validarcnpj.com.br

Validar CNPJ is a B2B service providing free validation of fiscal identification numbers, including Brazil’s CNPJ and CPF, as well as international Tax Identification Numbers (TIN). The platform verifies the mathematical validity of these identifiers against standard algorithmic requirements to assist businesses in data accuracy and compliance.

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.

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How to get LLM mention data →

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