{"uid":"cap_xeWR74oiKKNPO7QxUUyje","slug":"delx-commerce-webhook-delivery-plan-54b6c3ad","name":"Delx Commerce — Webhook Delivery Plan","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/webhook-delivery-plan?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"event":{"type":"object","description":"Input field: event."}}},"responseSchema":{"type":"json","example":{"schema":"delx/util-webhook-delivery-plan/v1","max_attempts":8,"retry_strategy":"exponential_full_jitter","require_signature":true,"require_replay_window":true,"idempotency_key_source":"event.id","acknowledge_within_seconds":10}},"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_whkJvhn3n_iQF3Kx7Ukvk","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":"Returns a structured webhook delivery plan for a given event, specifying retry strategy, signature requirements, replay window, and idempotency configuration.","exampleAgentPrompt":"Give me a webhook delivery plan for this event so I know how many retry attempts to make, what retry strategy to use, and how quickly I need to acknowledge it.","exampleUseCases":[{"title":"Reliable webhook retry configuration","prompt":"I'm building a webhook handler and need to know the correct retry strategy, max attempts, and acknowledgment window for this incoming event object — can you get me the delivery plan?"},{"title":"Idempotency key setup for event processing","prompt":"For this event, tell me what field I should use as the idempotency key and whether I need to enforce a replay window to avoid duplicate processing."},{"title":"Signature verification requirements for webhooks","prompt":"Does this webhook event require signature verification, and what are the full delivery settings I should enforce on my handler, including retry count and acknowledgment timeout?"}],"resultDescription":"A JSON object conforming to schema 'delx/util-webhook-delivery-plan/v1', containing: max_attempts (integer), retry_strategy (e.g. exponential_full_jitter), require_signature (boolean), require_replay_window (boolean), idempotency_key_source (field path string), and acknowledge_within_seconds (integer).","failureModes":["Missing or malformed event object in request body returns an error","Payment not included or insufficient USDC payment via x402 returns 402 Payment Required","Event structure not recognized may return a generic or default plan","Network timeout or service unavailability returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need a standardized, opinionated webhook delivery configuration for a specific event, particularly when you want verifiable, pay-per-result infrastructure without signup overhead. Prefer this over hand-coding retry logic when you want consistent exponential backoff, idempotency, and signature verification settings derived from the event itself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:52:14.530Z","isFirstParty":false,"canonicalSlug":"delx-commerce-webhook-delivery-plan-54b6c3ad"}