{"uid":"cap_6VVbTq_Kv9p0MamoZg1Qw","slug":"delx-commerce-caip-2-identifier-builder-9240d49a","name":"Delx Commerce — CAIP-2 Identifier Builder","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/caip2-build?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"namespace":{"type":"string","description":"Input field: namespace."},"reference":{"type":"string","description":"Input field: reference."}}},"responseSchema":{"type":"json","example":{"caip2":"eip155:8453","schema":"delx/util-caip2-build/v1","namespace":"eip155","reference":"8453"}},"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_ADMqE7O1TlFs06hkhoetQ","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":"Constructs a CAIP-2 chain identifier string from a namespace and reference component","exampleAgentPrompt":"Build me a CAIP-2 identifier using the namespace 'eip155' and the reference '8453' for the Base network.","exampleUseCases":[{"title":"Resolve Base chain CAIP-2 identifier","prompt":"I need the CAIP-2 identifier for the Base blockchain — can you build it using namespace 'eip155' and reference '8453'?"},{"title":"Standardize Ethereum mainnet chain ID","prompt":"What's the CAIP-2 string for Ethereum mainnet? Use namespace 'eip155' and reference '1'."},{"title":"Format Solana chain identifier for interoperability","prompt":"Give me the CAIP-2 identifier for Solana using namespace 'solana' and reference 'mainnet'."}],"resultDescription":"Returns a JSON object containing the fully assembled CAIP-2 chain identifier string (e.g. 'eip155:8453'), the namespace used, the reference used, and the schema version ('delx/util-caip2-build/v1').","failureModes":["Missing namespace or reference fields returns a validation error","Invalid or unrecognized namespace may return an error or unexpected output","Network or payment failure (x402) may result in no response or HTTP 402","Malformed input types may cause schema validation errors"],"whenToPreferThis":"Choose this endpoint when you need to programmatically construct a standards-compliant CAIP-2 chain identifier from its component parts (namespace + reference) without hardcoding strings. Especially useful in multi-chain agent workflows where dynamic chain resolution is needed, or when building interoperable cross-chain tooling that requires CAIP-2 format. At $0.001 USDC per call with no signup required, it's suitable for lightweight utility use in autonomous agent pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:44.314Z","isFirstParty":false,"canonicalSlug":"delx-commerce-caip-2-identifier-builder-9240d49a"}