{"uid":"cap_bMwIi4LB-P7ci3RBtg2jN","slug":"delx-commerce-seeded-time-slot-pick-9a7c5fa6","name":"Delx Commerce — Seeded Time Slot Pick","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/seeded-time-slot-pick?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"string","maxLength":8192,"description":"Seed supplied to Seeded Time Slot Pick; used only for this bounded calculation and processed in memory without retention."},"slots":{"type":"array","items":{"type":"string","maxLength":8192},"maxItems":256,"description":"Slots supplied to Seeded Time Slot Pick; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"index":1,"selected":"09:30"},"schema":"delx/util-seeded-time-slot-pick/v1","status":"pass","evidence":{"retained":false,"input_sha256":"8ab1719fd1d9abb74cb235aa38e717b959aadf50567d361bc601a950d82cfbb8","external_calls":0},"operation":"seeded_decision:seeded_time_slot_pick"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QFVsEPn7NBQmFH1mb4aGq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Deterministically selects a time slot from a provided list using a seed value, returning a reproducible, verifiable pick with no data retention.","exampleAgentPrompt":"Using seed 'abc123', pick one time slot from this list: ['09:00', '09:30', '10:00', '10:30'] — I need a reproducible, verifiable selection with no data stored.","exampleUseCases":[{"title":"Fair meeting time allocation","prompt":"I have a list of available slots — '09:00', '10:00', '11:00', '14:00' — and I want to pick one fairly using the seed 'meeting-week42'. Make sure the choice is reproducible and auditable."},{"title":"Agent scheduling without bias","prompt":"My scheduling agent needs to deterministically assign a session slot to a user. Use the seed 'user-7731' and pick from ['08:00', '12:00', '15:00', '17:00'] — the same seed should always return the same slot."},{"title":"Reproducible appointment slot selection","prompt":"Given the seed 'booking-xyz9' and available appointment times ['09:30', '11:00', '13:30', '16:00'], pick one time slot in a way I can verify later that no data was retained."}],"resultDescription":"Returns a JSON object with the selected time slot string and its index in the input array, a pass/fail status, the operation schema identifier, and an evidence block containing a SHA-256 hash of the input, a flag confirming no data was retained, and the count of external calls made (zero).","failureModes":["Empty slots array returns an error or undefined result","Seed exceeds maxLength of 8192 characters causing rejection","Slots array exceeds 256 items causing a validation error","Invalid JSON body causes a 400-level response","Payment not attached or insufficient USDC causes a 402 response"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, reproducible, and verifiable selection of a time slot from a finite list — especially in agentic workflows where auditability, fairness, and no-data-retention guarantees matter. Prefer it over random selection when the same seed must always produce the same result, or when you need a cryptographic evidence trail (SHA-256 of input) to verify the decision was made correctly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:16:53.271Z","isFirstParty":false,"canonicalSlug":"delx-commerce-seeded-time-slot-pick-9a7c5fa6"}