{"id":2202007,"recorded_at":"2026-11-02T19:13:31.320919Z","observed_at":"2026-11-02T19:13:31.320848Z","subject_kind":"source_record","subject":"x402_bazaar:https://data-calc.x402tookit.com/latency-budget","kind":"listing","method":"sync.x402_bazaar/1","body":{"endpoints":[["x402","https://data-calc.x402tookit.com/latency-budget"]],"name":"Systems Capacity Calculators","owner_address":"0xb531320805c5bed1d46aeadcf4f008fdf172dbda","raw":{"accepts":[{"amount":"20000","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:8453","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM","transactionVersions":[0]},"maxTimeoutSeconds":300,"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","payTo":"DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s","scheme":"exact"},{"amount":"20000","asset":"0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:137","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"},{"amount":"20000","asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","extra":{"name":"USD Coin","version":"2"},"maxTimeoutSeconds":300,"network":"eip155:42161","payTo":"0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa","scheme":"exact"}],"description":"Add up serial stage latencies against a target (share per stage, slack, bottleneck) and compute tail amplification from fan-out.","extensions":{"bazaar":{"info":{"input":{"method":"GET","queryParams":{"fanOut":100,"stages":"dns:20,tls:40,app:120,db:60","targetMs":300},"type":"http"},"output":{"example":{"asOf":"2026-10-11T20:19:39.450Z","bottleneck":"app","degraded":false,"disclaimer":"Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.","fanOut":{"calls":100,"note":"to have 99% of requests entirely within the per-call latency, each call must meet its target 99.9900% of the time","perCallPercentile":99,"perCallPercentileNeededForSameOverall":99.98995016917584,"probabilityAtLeastOneCallSlowerThanItsPercentile":0.6339676587267709,"requestsHitByTailPercent":63.3968},"notChecked":["the distribution of each stage: adding percentiles of stages (p99 + p99) overstates the p99 of the sum, but adding means is exact","queueing delay under load (see /queue-model) and retries","…1 more"],"reasons":["Serial stages add; the share column shows where to optimise first.","Tail amplification: with N parallel calls the chance that at least one is slower than its p99 is 1 - 0.99^N (63% for N = 100), so the request is as slow as its slowest call."],"serialTotalMs":240,"slackMs":60,"source":"computed locally","stages":[{"ms":20,"sharePercent":8.33,"stage":"dns"},{"ms":40,"sharePercent":16.67,"stage":"tls"}],"summary":"Serial total 240 ms; biggest stage app (50%). Within the 300 ms target with 60 ms to spare. Fan-out 100 calls at p99: 63.4% of requests see at least one slow call.","targetMs":300,"targetUsedPercent":80,"verdict":"WITHIN_TARGET"},"type":"json"}},"schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"fanOut":{"description":"Parallel calls a request waits for (each at its own percentile), 1 to 100000","type":"integer"},"percentile":{"description":"Per-call percentile, 50 to 99.9999 (default 99): the chance a single call is within its stated latency","type":"number"},"stages":{"description":"name:milliseconds pairs, comma separated: dns:20,tls:40,app:120,db:60","type":"string"},"targetMs":{"description":"Total latency target in milliseconds, to compute slack","type":"number"}},"required":["stages"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"asOf":{"type":["null","string"]},"bottleneck":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"fanOut":{"properties":{"calls":{"type":["null","number"]},"note":{"type":["null","string"]},"perCallPercentile":{"type":["null","number"]},"perCallPercentileNeededForSameOverall":{"type":["null","number"]},"probabilityAtLeastOneCallSlowerThanItsPercentile":{"type":["null","number"]},"requestsHitByTailPercent":{"type":["null","number"]}},"type":["null","object"]},"notChecked":{"items":{"type":"string"},"type":["array","null"]},"reasons":{"items":{"type":"string"},"type":["array","null"]},"serialTotalMs":{"type":["null","number"]},"slackMs":{"type":["null","number"]},"source":{"type":["null","string"]},"stages":{"items":{"properties":{"ms":{"type":["null","number"]},"sharePercent":{"type":["null","number"]},"stage":{"type":["null","string"]}},"type":"object"},"type":["array","null"]},"summary":{"type":["null","string"]},"targetMs":{"type":["null","number"]},"targetUsedPercent":{"type":["null","number"]},"verdict":{"type":["null","string"]}},"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"}}},"lastUpdated":"2026-11-01T22:47:12.968Z","quality":{"l30DaysTotalCalls":2,"l30DaysUniquePayers":2,"lastCalledAt":"2026-11-01T22:47:12.698Z"},"resource":"https://data-calc.x402tookit.com/latency-budget","serviceName":"Systems Capacity Calculators","tags":["latency","slo","tail-latency","budget"],"type":"http","x402Version":2},"source":"x402_bazaar","summary":"Add up serial stage latencies against a target (share per stage, slack, bottleneck) and compute tail amplification from fan-out."},"body_sha256":"2068599f4e56411318ad5078b9ef10f44195213c129b13bf1dd87f7c297929c2","prev_id":null,"leaf":"0xa50f89a985f7d3549f0469e5e8254c770e03ed1ea86587de633d8e810d6249dd","leaf_text":"{\"body\":\"2068599f4e56411318ad5078b9ef10f44195213c129b13bf1dd87f7c297929c2\",\"id\":2202007,\"kind\":\"listing\",\"method\":\"sync.x402_bazaar/1\",\"observed_us\":1793646811320848,\"prev\":null,\"subject\":\"x402_bazaar:https://data-calc.x402tookit.com/latency-budget\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-11-02","leaves":444186,"root":"0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1","chained":"0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2","anchor_chain":"eip155:5042002","anchor_tx":"0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af","anchor_block":70432815},"proof":["0xa50f36ae545ce8fdb888fff31ad396c48ebb17735b471b96e3097c6b03e02d7b","0xcd02a3bb1f75543937dfd37ad12151b3268c697c0f863cda0fcde27db84aac7c","0x03d9d8082e775954b00e4aa156197eb725f4d53ac0ea1ff3b812805fb903e517","0x3984b76c0389525e43dc2bf3371ca154a0369d55e2da27fd39bbf864ea5cd0bc","0x5812dea29a54dd28449e0a5426285a56c07f671ca3ee6a92db2e8e492bcfcd6d","0x825aeaa110476ef6a02bd888f6dfd32c5051401eb7e350432e19e09eae9f7300","0xc00a20702ee42913e6f4eb396a5627c0d5879372a49a69cfdef7a1301f5cc2c3","0x13b7a60fd304b5422840276566ee7e3a547eb2d470555f1a4cabb7731313b967","0xac910d9b52e7ee6d5e325aa2e6a8ebb65b9bc437e96334fa9fd214d79d7d9f29","0x670f374d9fbf21f194317217dd57d232d578491520d7f8ebe83e592a6be6358a","0xe3f02b427f59850600c9d974c72867477628ed537cbd789cbc04fd77632ff008","0x4c4f4cb682e94e3751eaa1fa136fc04582c4d9d8eb377f4fef8bb9a5f3e31983","0xec9b01ce49e2dd688fa78781733c888976342aaf0672176098d6561858941ddd","0x7a6e52c5cebe3ec69d18cc200885d32108ba1be1b19f2da2ead8becbf3db3cb1","0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a","0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9","0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2","0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d","0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884"]}