curl --request POST \ --url https://api.iotools.cloud/v1/tool/ab-test-significance-calculator \ --header 'Authorization: Bearer <token>' \ --header 'Content-Type: application/json' \ --data ' { "controlVisitors": "5000", "controlConversions": "250", "variantVisitors": "5000", "variantConversions": "320", "confidenceLevel": "95", "tailType": "two" } '

{ "tool": "ab-test-significance-calculator", "tool_version": "1.0.1", "outputs": { "result": [ { "metric": "Verdict", "value": "Variant (B) wins" }, { "metric": "Control (A) conversion rate", "value": "5.00% (250 / 5,000)" }, { "metric": "Variant (B) conversion rate", "value": "6.40% (320 / 5,000)" }, { "metric": "Absolute difference (B − A)", "value": "+1.40% pp" }, { "metric": "95% CI for difference", "value": "[+0.49%, +2.31%] pp" }, { "metric": "Relative uplift", "value": "+28.0%" }, { "metric": "95% CI for relative uplift", "value": "[+9.8%, +46.2%]" }, { "metric": "z-score", "value": "3.019" }, { "metric": "p-value", "value": "0.0025 (two-tailed)" }, { "metric": "Statistically significant?", "value": "Yes, at 95% confidence" } ] }, "credits_used": 3, "credits_remaining": null }