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AI Text Readability (Flesch-Kincaid), Lexical Diversity & Reading Time Analyzer

Analyzes any text for Flesch Reading Ease score, sentence complexity, lexical diversity, syllable count, and reading/speaking time.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/ai-tool-text-readability-linguistics?text=Artificial+intelligence+agents+require+deterministic+low-latency+APIs+for+reliable+execution.&compact=1

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

Parameters

Example response (live, compact)

{
  "apiId": "ai-tool-text-readability-linguistics",
  "data_freshness": "live",
  "data": {
    "tool": "ai-tool-text-readability-linguistics",
    "word_count": 11,
    "sentence_count": 1,
    "syllable_count": 33,
    "lexical_diversity_ratio": 1,
    "flesch_reading_ease_score": -58.13,
    "estimated_reading_time_seconds": 3
  },
  "source": "100% Platform-Native Deterministic AI Core Utility (<1ms)",
  "license": "100% Platform-Owned Deterministic Algorithm (Commercial Use Allowed)"
}

Source & license