{"uid":"cap_r_m881OIXQ_3k7ljhHSn2","slug":"ylk-one-day-over-day-x402-rail-shift-e6756fcc","name":"ylk.one Day-over-Day x402 Rail Shift","description":"Day-over-day x402 rail movement from on-chain settlement: total $ and tx deltas, lanes UP and DOWN (commerce, inference, dev…). Pairs with ylk-spikes for intra-day vs day-over-day reads.","url":"https://ylk.one/v1/shift?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SiRucWadXrEem1KiGclWs","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns day-over-day delta metrics for the x402 payment rail including total volume and transaction count changes, and lane-level UP/DOWN movements across commerce, inference, and dev segments.","exampleAgentPrompt":"Can you pull the day-over-day x402 rail shift report — I want to see how total dollar volume and transaction count changed since yesterday, and which lanes like commerce or inference are trending up or down?","exampleUseCases":null,"resultDescription":"A JSON object containing day-over-day deltas: total dollar change, transaction count change, and per-lane (commerce, inference, dev, etc.) UP/DOWN movement indicators reflecting net shifts in on-chain x402 settlement activity compared to the prior day.","failureModes":["No data available for prior day if the rail is too new or there was a data gap — may return null deltas or 404","Rate limit or payment failure (402) if USDC microtransaction is not processed","Stale data if on-chain indexing is lagging — deltas may not reflect most recent blocks","Empty lane breakdown if no activity occurred in a specific lane during the window"],"whenToPreferThis":"Use this endpoint when you need a day-over-day summary of x402 rail activity — specifically the net change in volume and transactions since yesterday, and which lanes are expanding or contracting. Prefer this over the sibling live-snapshot endpoint (ylk-spikes or the live rail endpoint) when you want daily trend context rather than intra-day or real-time pace data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:35:13.693Z","isFirstParty":false,"canonicalSlug":"ylk-one-day-over-day-x402-rail-shift-e6756fcc"}