{"uid":"cap_vu9noWyZncI_A4NBqAibm","slug":"delx-commerce-seeded-backoff-schedule-6e17709c","name":"Delx Commerce — Seeded Backoff Schedule","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-backoff-schedule?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"string","maxLength":8192,"description":"Seed supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention."},"factor":{"type":"number","description":"Factor supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention."},"base_ms":{"type":"integer","description":"Base Ms supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention."},"attempts":{"type":"integer","description":"Attempts supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention."},"jitter_fraction":{"type":"number","description":"Jitter Fraction supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"total_ms":8029,"delays_ms":[228,469,1031,1999,4302]},"schema":"delx/util-seeded-backoff-schedule/v1","status":"pass","evidence":{"retained":false,"input_sha256":"234a28ee3af60f37f2134c3978d081030564a653c3b3886bb99cfb5db207b1ab","external_calls":0},"operation":"seeded_decision:seeded_backoff_schedule"}},"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_Yw7zQ9vcz007xNkVmjYFy","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":"Computes a deterministic, jitter-seeded exponential backoff delay schedule given a seed, factor, base interval, and attempt count","exampleAgentPrompt":"Calculate a seeded backoff schedule for me using seed 'agent-retry-42', a factor of 2.0, base delay of 200ms, 5 attempts, and a jitter fraction of 0.25.","exampleUseCases":[{"title":"Distributed agent retry orchestration","prompt":"I need a reproducible backoff schedule for my agent fleet — use seed 'fleet-node-7', factor 1.5, base 500ms, 4 attempts, and jitter fraction 0.1 so every node retries in sync."},{"title":"API rate limit back-off planning","prompt":"Compute a jittered exponential backoff for hitting a rate-limited API: seed 'api-ratelimit-session', factor 2.0, base 100ms, 6 attempts, jitter fraction 0.3."},{"title":"Deterministic test fixture for retry logic","prompt":"Generate a fixed backoff delay sequence I can use in tests — seed 'test-fixture-001', factor 2.5, base 50ms, 3 attempts, jitter fraction 0.0 so results are fully deterministic."}],"resultDescription":"Returns a JSON object containing the total cumulative delay in milliseconds, an array of per-attempt delay values in milliseconds, an SHA-256 hash of the input for verification, confirmation that no data was retained, a count of external calls made (always 0), and a status field indicating success.","failureModes":["Invalid or missing seed string may produce an error or undefined behavior","Non-positive factor or base_ms values may result in invalid delay sequences","Negative or zero attempts value may return an empty delays array","Jitter fraction outside [0,1] range may cause computation errors","Payment failure via x402 will prevent the API from returning a result"],"whenToPreferThis":"Choose this endpoint when you need a cryptographically verifiable, reproducible backoff schedule with deterministic jitter — especially in multi-agent or distributed systems where all nodes must agree on retry timing from a shared seed. Prefer it over ad-hoc client-side implementations when auditability (input hash, no retention) and pay-per-use pricing without signup are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:01.489Z","isFirstParty":false,"canonicalSlug":"delx-commerce-seeded-backoff-schedule-6e17709c"}