{"uid":"cap_A5m-zO3CUgooEgiGCj10A","slug":"delx-p95-estimate-033a2290","name":"Delx P95 Estimate","description":"Estimate p95 latency from a bounded numeric sample — call when estimating p95 from a bounded numeric sample. Use for SRE/ops math agents buy from broad utility catalogs: SLA, error budget, success rate, and health scores with zero upstream cost. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web search, or media generation. Re…","url":"https://api.delx.ai/api/v1/x402/p95-estimate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"samples":{"type":"array","description":"Latency or metric samples for quantile estimation."}}},"responseSchema":{"type":"json","example":{"max":200,"min":10,"p95":200,"count":11,"schema":"delx/util-p95-estimate/v1","advisory":"Order-statistic estimate on the provided sample only."}},"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_bUcRWCXgvBR1T9jABv_aZ","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":"Estimates the 95th percentile (p95) latency from a bounded numeric sample array, returning a deterministic JSON result.","exampleAgentPrompt":"Estimate the p95 latency from these response time samples in milliseconds: [120, 135, 98, 210, 87, 305, 142, 119, 201, 95, 178, 250].","exampleUseCases":[{"title":"SLA compliance check for API service","prompt":"I have these latency samples from our payment API over the last hour: [45, 67, 123, 89, 204, 56, 310, 78, 95, 112, 88, 143]. Can you estimate the p95 latency so I can check if we're within our 200ms SLA?"},{"title":"Error budget burn rate assessment","prompt":"We have a 99.5% SLA and I want to understand our tail latency exposure. Here are 20 response time readings in ms: [50, 60, 55, 70, 300, 58, 62, 480, 53, 61, 59, 57, 66, 72, 55, 63, 68, 51, 74, 290]. What's the p95 estimate?"},{"title":"On-call triage during incident","prompt":"Our alerting fired on elevated latency. I've got these sampled response times from the last 5 minutes: [90, 102, 98, 115, 870, 105, 99, 95, 1100, 108, 97, 103, 960, 112, 101]. Can you quickly compute the p95 so I know how bad the tail is?"}],"resultDescription":"Returns a deterministic JSON object containing the estimated p95 (95th percentile) value derived from the provided numeric sample array. The response is machine-readable and stateless, with no upstream dependencies.","failureModes":["Empty or missing samples array — likely returns an error or null result","Non-numeric values in the samples array — may cause computation failure or be silently ignored","Insufficient sample size — may produce statistically unreliable p95 estimate","Payment failure via x402 — request blocked if $0.003 USDC transaction cannot be completed","Malformed JSON input — 400-level error returned"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, deterministic p95 latency estimate from a sample array with no external dependencies. Ideal for SRE agents, ops dashboards, and SLA-checking pipelines that need tail latency quantification at scale without paying for heavyweight analytics infrastructure. At $0.003 per call it is cost-effective for high-frequency monitoring loops. Prefer this over general-purpose statistics libraries when you want a zero-setup, stateless HTTP computation with a consistent JSON response contract.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:51:19.605Z","isFirstParty":false}