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NLP TF Keyword Density & Term Frequency Extractor

Extracts top non-stopword keywords and their relative frequency percentage from any text passage.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/text-keyword-density-extractor?text=AI%20agents%20need%20structured%20API%20data.%20Structured%20API%20data%20allows%20AI%20agents%20to%20verify%20facts%20reliably.&compact=1

Full metadata: without compact=1 · Markdown: format=llm · Only some fields: add &fields=a,b.c · MCP: tool call_api with {"apiId":"text-keyword-density-extractor"}

Parameters

Example response (live, compact)

{
  "apiId": "text-keyword-density-extractor",
  "data_freshness": "live",
  "data": {
    "total_content_tokens": 15,
    "top_keywords": [
      {
        "term": "ai",
        "count": 2,
        "density_pct": 13.33
      },
      {
        "term": "agents",
        "count": 2,
        "density_pct": 13.33
      },
      {
        "term": "structured",
        "count": 2,
        "density_pct": 13.33
      },
      {
        "term": "api",
        "count": 2,
        "density_pct": 13.33
      },
      {
        "term": "data",
        "count": 2,
        "density_pct": 13.33
      },
      {
        "term": "need",
        "count": 1,
        "density_pct": 6.67
      },
      {
        "term": "allows",
        "count": 1,
        "density_pct": 6.67
      },
      {
        "term": "verify",
        "count": 1,
        "density_pct": 6.67
      },
      {
        "term": "facts",
        "count": 1,
        "density_pct": 6.67
      },
      {
        "term": "reliably",
        "count": 1,
        "density_pct": 6.67
      }
    ]
  },
  "source": "100% Platform Deterministic Compute / Reference Engine",
  "license": "100% Platform Local Compute"
}

Source & license