{"uid":"cap_0Ut3D4q6xhlliEnHLgUIk","slug":"47620-x402-integration-kit-673989b6","name":"47620 x402 Integration Kit","description":"Get your x402 endpoint FOUND by agent catalogs, not just paid. Field-tested method: multi-facilitator indexing, the extensions.bazaar block, v2 requirements contract, a generic seller scaffold, and a replication checklist. We ran a live x402 seller, got zero traffic, and reverse-engineered why. The map - not our code.","url":"https://47620.xyz/x/x402-integration-kit?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"},"queryParams":{"type":"object","properties":{"fields":{"type":"string","description":"Optional comma-separated top-level response keys to keep (e.g. \"health,slot,solUsd\"). Omit for the full payload."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["ok","endpoint"],"properties":{"ok":{"type":"boolean"},"endpoint":{"type":"string"}},"additionalProperties":true}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"5","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":"$5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KX_fIJk0ezLChebTHT5R9","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"5","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a field-tested guide and checklist for getting an x402 HTTP payment endpoint discovered by agent catalogs, including multi-facilitator indexing strategies and seller scaffolding.","exampleAgentPrompt":"Pull up the x402 integration kit from 47620.xyz — I want the full guide on how to get my x402 endpoint discovered by agent catalogs, including the multi-facilitator indexing steps and the replication checklist.","exampleUseCases":[{"title":"Debugging zero-traffic x402 seller","prompt":"My x402 endpoint is live and accepting payments but I'm getting zero traffic from agent catalogs — can you fetch the 47620 x402 integration kit so I can see what I'm missing in my facilitator indexing setup?"},{"title":"Setting up extensions.bazaar block","prompt":"I'm building an x402 seller and need to know exactly how to add the extensions.bazaar block to my response headers so catalogs like payai can index me — grab the 47620 x402 integration kit and walk me through it."},{"title":"Scaffolding a new x402 payment endpoint","prompt":"I want to stand up a generic x402 seller from scratch and make sure it gets discovered — fetch the 47620 integration kit and show me the seller scaffold and the v2 requirements contract I need to implement."}],"resultDescription":"A JSON payload containing an endpoint status flag (ok: boolean) and structured guidance content covering: multi-facilitator indexing strategy, the extensions.bazaar block specification, v2 requirements contract details, a generic seller scaffold, and a step-by-step replication checklist derived from a real x402 seller's zero-traffic diagnosis. Supports optional field filtering via the 'fields' query parameter.","failureModes":["Payment not completed — endpoint requires $5 USDC via x402 before content is delivered","Invalid 'fields' parameter values return an empty or partial payload","Network timeout if the 47620.xyz host is unreachable","402 Payment Required returned if x402 facilitator handshake fails"],"whenToPreferThis":"Choose this endpoint when you need actionable, field-tested guidance on making an x402-monetized API endpoint discoverable by agent catalogs and facilitators like payai. It is specifically useful for developers who have a working x402 seller but are receiving little or no traffic, and want a concrete checklist and scaffold rather than generic documentation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:42:04.645Z","isFirstParty":false,"canonicalSlug":"47620-x402-integration-kit-673989b6"}