{"uid":"cap_mKHnsgcRarJSOBFBu5WzT","slug":"delx-commerce-chain-id-lookup-2e11c80c","name":"Delx Commerce Chain ID Lookup","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/chain-id-lookup?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain_id":{"type":"string","description":"Numeric chain id string (e.g. 8453) or known network slug."}}},"responseSchema":{"type":"json","example":{"found":true,"schema":"delx/util-chain-id-lookup/v1","network":"base","advisory":"Static table only; not chain tip or RPC state.","chain_id":"8453","live_rpc":false,"table_size":10}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZR_IiJdvyPsTJ0viGtIYt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves a blockchain chain ID or network slug to its canonical network metadata using a static lookup table","exampleAgentPrompt":"What network name and details correspond to chain ID 8453? Just look it up in the static chain ID table.","exampleUseCases":[{"title":"Resolving chain ID before token transfer","prompt":"I need to confirm what network chain ID 8453 refers to before I send a USDC transaction — can you look it up?"},{"title":"Validating user-supplied chain ID in dApp","prompt":"A user entered chain ID 137 in my app — can you check what network that maps to so I can confirm it's correct before proceeding?"},{"title":"Agent mapping network slug to chain ID","prompt":"I have the network slug 'base' and I need its numeric chain ID — can you resolve that for me using the chain ID lookup?"}],"resultDescription":"Returns a JSON object indicating whether the chain ID was found, the canonical network name (e.g. 'base'), the numeric chain ID string, a flag indicating whether live RPC data is included (always false — static table only), the table size, a schema identifier, and an advisory note that this is a static lookup not live chain state.","failureModes":["Unknown chain ID or slug returns found: false with no network data","Malformed or non-numeric chain_id string may yield no match","Static table may not include newly launched chains or testnets","No RPC or live chain tip data is ever returned — only static mapping"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap, no-signup resolution of a blockchain chain ID to a human-readable network name (or vice versa) and don't need live RPC state. Prefer it over querying an RPC node directly when you only need the name-to-ID mapping. Ideal for agents performing pre-flight validation before on-chain transactions or routing logic that depends on knowing which network a chain ID refers to.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:41:32.977Z","isFirstParty":false,"canonicalSlug":"delx-commerce-chain-id-lookup-2e11c80c"}