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AI A/B-Test Conversion Lift, Z-Score & Statistical Significance Oracle

Calculates conversion rates, relative lift %, two-proportion Z-score, and statistical confidence (90%/95%/99%) for A/B experiments.

Call it (no API key)

GET https://api.agentdatahub.de/api/v1/call/ai-tool-ab-test-significance?visitors_a=5000&conv_a=200&visitors_b=5000&conv_b=260&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-ab-test-significance"}

Parameters

Example response (live, compact)

{
  "apiId": "ai-tool-ab-test-significance",
  "data_freshness": "live",
  "data": {
    "tool": "ai-tool-ab-test-significance",
    "conversion_rate_a_pct": 4,
    "conversion_rate_b_pct": 5.2,
    "relative_lift_pct": 30,
    "z_score": 2.8642,
    "is_significant_95pct": true,
    "is_significant_99pct": true,
    "verdict": "STATISTICALLY_SIGNIFICANT_WINNER"
  },
  "source": "100% Platform-Native Deterministic AI Core Utility (<1ms)",
  "license": "100% Platform-Owned Deterministic Algorithm (Commercial Use Allowed)"
}

Source & license