E-Invoice Hub

E-Invoice Hub provides a professional REST API for automated e-invoicing and invoice processing, specifically designed for the German market. The platform enables developers to create, validate, and convert invoices into ZUGFeRD and XRechnung formats while extracting data from PDFs using AI. It offers a scalable, GoBD-compliant SaaS solution hosted in German data centers to streamline electronic invoicing workflows.

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 E-Invoice Hub mentions
POST v3/ai_optimization/llm_mentions/search_mentions/live
[
    {
        "target": [
            {
                "domain": "rechnungsapi.de",
                "search_filter": "include",
                "search_scope": ["sources"]
            }
        ],
        "order_by": ["ai_search_volume,desc"]
    }
]

E-Invoice Hub

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.

Get LLM mention data of any company via DataForSEO API

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LLM mention score