{"uid":"cap_C-3XwG4g3RdMWhzNYuxpT","slug":"delx-commerce-experiment-lift-calculator-41b9b81c","name":"Delx Commerce — Experiment Lift Calculator","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/experiment-lift?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"control_visitors":{"type":"number","description":"Input field: control_visitors."},"treatment_visitors":{"type":"number","description":"Input field: treatment_visitors."},"control_conversions":{"type":"number","description":"Input field: control_conversions."},"treatment_conversions":{"type":"number","description":"Input field: treatment_conversions."}}},"responseSchema":{"type":"json","example":{"schema":"delx/util-experiment-lift/v1","advisory":"Descriptive lift only; pre-register and run a statistical test before deciding.","absolute_lift_points":1.5,"control_rate_percent":5,"relative_lift_percent":30,"treatment_rate_percent":6.5}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5j7nYsJ7J3LIYD62vQJ0Y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Computes descriptive lift metrics (absolute, relative, and rate-based) for an A/B experiment given control and treatment visitor/conversion counts.","exampleAgentPrompt":"I ran an A/B test where the control group had 10,000 visitors and 500 conversions, and the treatment group had 10,000 visitors and 650 conversions — can you calculate the lift metrics for me?","exampleUseCases":[{"title":"Landing page A/B test analysis","prompt":"My landing page test just finished: control had 8,500 visitors with 425 conversions, treatment had 8,200 visitors with 492 conversions — what's the absolute and relative lift?"},{"title":"Email campaign variant lift check","prompt":"I ran two versions of an email campaign — the original got 3,200 opens and 160 clicks, the new version got 3,100 opens and 202 clicks. How much lift did the new version achieve?"},{"title":"Checkout flow experiment review","prompt":"We tested a new checkout flow: the old one had 5,000 visitors and 350 completions, the new one had 5,200 visitors and 416 completions. Can you give me the conversion rate lift metrics?"}],"resultDescription":"Returns a JSON object with the schema 'delx/util-experiment-lift/v1' containing: control_rate_percent, treatment_rate_percent, absolute_lift_points (percentage point difference), relative_lift_percent (percentage improvement over control), and an advisory note recommending formal statistical testing before making decisions.","failureModes":["Missing required fields (control_visitors, treatment_visitors, control_conversions, treatment_conversions) returns an error","Zero visitors in control or treatment causes division-by-zero or invalid computation","Non-numeric or negative values for visitor/conversion counts may return validation errors","Conversions exceeding visitors for either group is logically invalid and may return an error","Payment failure via x402 (insufficient USDC balance) blocks the request"],"whenToPreferThis":"Use this endpoint when you need a quick, pay-per-call descriptive lift computation for an A/B experiment without setting up an account or subscription. It is ideal for agents that need on-demand experiment metrics as part of an automated analytics workflow. It does not perform statistical significance testing — pair it with a hypothesis test endpoint if you need p-values or confidence intervals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:49.059Z","isFirstParty":false,"canonicalSlug":"delx-commerce-experiment-lift-calculator-41b9b81c"}