{"uid":"cap_rBh5MPzKPXlERmGJfQvCb","slug":"x402-retry-safe-seller-playbook-quietstore-17311c2c","name":"x402 Retry-Safe Seller Playbook (quietstore)","description":"A production playbook for charging AI agents over HTTP 402 without double-billing: safe retries, ambiguous-settle handling, cache rules, ledger idempotency, and buyer recovery messages — the exact patterns behind this store, live on Base USDC. Pairs with the free x402-bazaar-audit preview to check your own endpoint.","url":"https://quietstore-production.edge-7e13f.workers.dev/v1/packs/x402-retry-safe-seller-v1","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":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KPyqmsnA2D_yFpid0pXbG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a production playbook for safely charging AI agents over HTTP 402 (x402 protocol), covering retry safety, idempotency, cache rules, ambiguous-settle handling, and buyer recovery patterns on Base USDC.","exampleAgentPrompt":"Can you get me the x402-retry-safe-seller-v1 playbook from quietstore so I know the exact patterns for handling retries, ambiguous settles, and ledger idempotency when charging agents over HTTP 402 on Base USDC without double-billing?","exampleUseCases":null,"resultDescription":"A structured playbook document covering production-ready patterns for x402 HTTP 402 seller endpoints: safe retry handling, ambiguous-settle resolution, cache rules, ledger idempotency strategies, and buyer-facing recovery messages — all battle-tested on Base USDC.","failureModes":["Payment not received or 402 not resolved — endpoint returns 402 requiring USDC payment before content is served","Invalid pack identifier — returns 404 if the pack name does not match a known playbook","Network or worker error — Cloudflare edge worker may return 500 or 503 transiently","Expired or stale payment facilitator — facilitator may reject payment if configuration is outdated"],"whenToPreferThis":"Choose this endpoint when you need a concrete, production-tested reference for implementing an x402-compliant seller endpoint that safely handles agent retries and avoids double-billing. Prefer it over generic HTTP 402 documentation when you need Base USDC-specific patterns, ledger idempotency guidance, or buyer recovery message templates.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:35:37.321Z","isFirstParty":false}