{"uid":"cap_p4eXBHAeteBbsxZzjszbp","slug":"blockchain-address-chain-identifier-and-validator-15c14763","name":"Blockchain Address Chain Identifier and Validator","description":"Which chain does this address belong to, and is it well-formed — Genesis402 / UnyKorn Operator Network","url":"https://twin.unykorn.org/address-identify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"params":{"type":"object","properties":{"address":{"type":"string"}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"address-identify","receipt":{"tx_hash":"0x<64hex>","amount_usd":0.002,"receipt_id":"g402-<16hex>"},"generated_at":"<iso8601>"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Z1ZhQDxz1c7BBDk3egCxe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Identifies which blockchain network a given address belongs to and verifies whether it is well-formed","exampleAgentPrompt":"Can you tell me which blockchain this address belongs to and whether it's valid: 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf NK?","exampleUseCases":[{"title":"Unknown address chain detection","prompt":"I received this address from someone and I'm not sure if it's Bitcoin, Ethereum, or something else — can you tell me which chain it belongs to and if it's properly formatted: bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq?"},{"title":"Pre-transfer address sanity check","prompt":"Before I send funds, can you verify that this address is well-formed and tell me what network it's on: 0x742d35Cc6634C0532925a3b844Bc454e4438f44e?"},{"title":"Wallet address validation in onboarding","prompt":"A user just entered this withdrawal address in our app — is it a valid, well-formed address and which blockchain does it belong to: 3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy?"}],"resultDescription":"Returns a JSON object indicating whether the address is valid (ok), the identified chain type, a receipt with transaction hash, USD amount charged, and receipt ID, and a generated_at timestamp.","failureModes":["Malformed or empty address string returns an error or ok:false","Ambiguous address strings that match no known chain format return unrecognized type","Service unavailability returns HTTP 5xx","Payment failure (x402 protocol) prevents request from being processed","Addresses on unsupported or obscure chains may not be identified"],"whenToPreferThis":"Use this endpoint when you have an unknown or user-supplied address string and need to determine both its blockchain network and format validity in a single call, especially in a multi-chain context where the user has not specified the network. Prefer this over chain-specific validators when the chain is unknown upfront.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:55:44.342Z","isFirstParty":false,"canonicalSlug":"blockchain-address-chain-identifier-and-validator-15c14763"}