{"uid":"cap_VwPdVz7WCMZJB5vmmokB3","slug":"x402-catalog-route-check-04e942ed","name":"X402 Catalog Route Check","description":"X402 Catalog Route Check: X402 Catalog Route Check checks one catalog route for tool, method, path, and positive price from bounded caller-supplied values without an external provider. Call X402 Catalog Route Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for X402 Catalog Route Check as versioned det…","url":"https://api.delx.ai/api/v1/x402/x402-catalog-route-check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"route":{"type":"object","description":"Route supplied to X402 Catalog Route Check; used only for this bounded calculation and processed in memory without retention.","maxProperties":128,"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"result":{"valid":true,"checks":{"post":true,"x402_path":true,"positive_price":true,"required_present":true},"missing_fields":[]},"schema":"delx/util-x402-catalog-route-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"9dc71648dce13552b300e68108c726ac002d670dfe5442b398a035206009d2be","external_calls":0},"operation":"delivery_contract:x402_catalog_route_check"}},"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_yimAxoEBlzOod_hXF2WcR","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":"Validates a single x402 catalog route by checking tool, method, path, and price against bounded caller-supplied values, returning acceptance or rejection with mismatch reasons and normalized evidence.","exampleAgentPrompt":"Before we pay for this x402 route, check it for me — here's the route object with its tool name, method, path, and price — tell me if it's valid or if there are any mismatches I should know about.","exampleUseCases":[{"title":"Pre-payment x402 route safety check","prompt":"I'm about to pay for an x402 API call but I want to verify the route first — can you run this route object through the catalog route check and tell me if the tool, method, path, and price all look correct before I authorize anything?"},{"title":"Detecting tampered agent delivery metadata","prompt":"An agent returned this x402 route as part of a delivery result — before I accept it, can you check the route metadata for mismatches or anything suspicious and give me the acceptance or rejection verdict?"},{"title":"Validating a freshly assembled x402 challenge","prompt":"I just assembled an x402 challenge from caller-supplied values and I need to know if the route is clean — run it through the catalog route check and show me any mismatch reasons and the normalized evidence."}],"resultDescription":"Returns a structured verdict for the route including: explicit acceptance or rejection status, contract-specific check results, normalized evidence derived from the route, and a list of mismatch reasons if the route fails any check. No external provider is called; all processing is in-memory and bounded.","failureModes":["Route object exceeds 128 properties (maxProperties limit), causing a validation error","Missing required route fields (tool, method, path, price) may result in incomplete checks or rejection","Caller-supplied values that are malformed or out of expected bounds may produce a rejection with mismatch reasons","Network or service unavailability returns a non-200 response"],"whenToPreferThis":"Use this endpoint when you need a lightweight, in-memory, provider-free validation of a single x402 catalog route before paying for or accepting an x402 call. Prefer it over manual inspection when you need structured mismatch reasons and a deterministic accept/reject verdict. Ideal for pre-payment guard rails in agentic workflows where the route metadata is caller-supplied and cannot be implicitly trusted.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:03:33.046Z","isFirstParty":false}