{"uid":"cap_0FlVNXLdfDVwwmwrZN69H","slug":"delx-commerce-x402-asset-match-93b8a75f","name":"Delx Commerce X402 Asset Match","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/x402-asset-match?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string","maxLength":8192,"description":"Asset supplied to X402 Asset Match; used only for this bounded calculation and processed in memory without retention."},"supported_assets":{"type":"array","items":{"type":"string","maxLength":8192},"maxItems":256,"description":"Supported Assets supplied to X402 Asset Match; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"actual":"USDC","matched":true,"supported":["USDC"]},"schema":"delx/util-x402-asset-match/v1","status":"pass","evidence":{"retained":false,"input_sha256":"87c9c6183983f222462f4ce259bafbeb4418e6ba18af409b98db69898b5ce097","external_calls":0},"operation":"delivery_contract:x402_asset_match"}},"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_2Hf9--lnfo6dwS_3-EWIh","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":"Checks whether a given payment asset (e.g. USDC) is supported by a list of accepted assets for x402 protocol payments","exampleAgentPrompt":"Before submitting the x402 payment, check whether USDC is in the list of supported assets [USDC, ETH, SOL] and tell me if it matches.","exampleUseCases":[{"title":"Pre-payment asset compatibility check","prompt":"I'm about to make an x402 payment using USDC — can you verify it's in the supported asset list [USDC, DAI] before I proceed?"},{"title":"Agent payment routing validation","prompt":"My agent wants to pay with USDC on Base, and the endpoint says it supports [USDC, EURC]. Check if USDC is a valid match before sending the payment."},{"title":"Multi-asset fallback selection","prompt":"I have ETH and USDC available. The endpoint accepts [USDC, SOL]. Run asset matching to see which of my assets is supported so I know which one to use."}],"resultDescription":"Returns a JSON object with: a 'result' field containing the matched boolean, the actual matched asset name, and the full list of supported assets; a 'status' field ('pass'/'fail'); an 'operation' identifier; and an 'evidence' block with a SHA-256 hash of the input and confirmation that no data was retained and no external calls were made.","failureModes":["Asset not in supported list — returns matched: false with status indicating no match","Invalid or empty asset string — may return error or unmatched result","Supported assets array exceeds 256-item limit — request rejected","Malformed request body — returns schema validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to deterministically verify that a specific payment asset is accepted before initiating an x402 micropayment, especially when proof of in-memory-only processing and no data retention is required. Prefer this over custom logic when verifiable, auditable asset matching with a cryptographic input hash is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:49.522Z","isFirstParty":false,"canonicalSlug":"delx-commerce-x402-asset-match-93b8a75f"}