{"uid":"cap_BXaSGyT76j_oC4WffjaYu","slug":"saylor-innovations-x402-seller-settlement-troubleshooting-guide-09f6bf09","name":"Saylor Innovations x402 Seller Settlement Troubleshooting Guide","description":"Fix x402 settlement failures as a seller - facilitator limits, canary payments, fallback and replay-safe delivery","url":"https://saylorinnovations.com/api/kb/x402-seller-settlement-troubleshooting?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"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["id","t","c","body"],"properties":{"c":{"type":"string","description":"Category of the guide"},"t":{"type":"string","description":"Title of the guide"},"id":{"type":"string","description":"Identifier of the record"},"body":{"type":"string","description":"Main body text"},"price":{"type":["number","null"],"description":"Price"},"license":{"type":"string","description":"License identifier"}}}}}}},"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_2oMzfRm-O3LhbaqhZUSvC","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 a knowledge-base guide covering how to fix x402 payment settlement failures on the seller side, including facilitator limits, canary payments, fallback strategies, and replay-safe delivery.","exampleAgentPrompt":"I'm building an x402-enabled seller endpoint and my settlements keep failing — can you pull the Saylor Innovations guide on fixing x402 seller settlement failures, including the facilitator limits and replay-safe delivery sections?","exampleUseCases":[{"title":"Debugging x402 facilitator limit errors","prompt":"My x402 seller integration keeps hitting facilitator limits and payments aren't settling — can you get me the guide that explains how to handle those limits and set up canary payments as a workaround?"},{"title":"Implementing replay-safe x402 delivery","prompt":"I need to make sure my x402 payment delivery is replay-safe so I don't double-deliver goods — pull up the Saylor Innovations guide on replay-safe delivery for x402 sellers."},{"title":"Setting up fallback strategy for failed settlements","prompt":"When my x402 payment settlements fail I have no fallback in place — can you retrieve the guide that covers fallback strategies for x402 seller settlement failures?"}],"resultDescription":"A JSON object containing a guide record with an ID, title, category, body text (detailed troubleshooting content covering facilitator limits, canary payments, fallback strategies, and replay-safe delivery for x402 sellers), a license identifier, and a nullable price field.","failureModes":["Payment not included or incorrect amount — 402 Payment Required response","Network connectivity failure — no response or timeout","Guide content unavailable or server error — 500 Internal Server Error","Malformed request — 400 Bad Request if method is not GET"],"whenToPreferThis":"Choose this endpoint when you need authoritative, structured troubleshooting guidance specifically for x402 seller-side settlement failures, including nuanced topics like facilitator limits, canary payment testing, fallback handling, and replay-safe content delivery. Prefer this over generic web searches when you need a concise, machine-readable guide focused on x402 protocol internals for sellers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:36.939Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-x402-seller-settlement-troubleshooting-guide-09f6bf09"}