{"uid":"cap_X9FmE-qY7CQ5JErzhrsmD","slug":"blockscout-multichain-address-search-44ba3a8e","name":"Blockscout Multichain Address Search","description":"Explore crypto activities with Blockscout's multichain search. Find transactions, addresses, tokens, and dapps across top blockchain networks — your go-to explorer for cross-chain blockchain data","url":"https://api.blockscout.com/services/multichain/api/v1/clusters/%7Bcluster_id%7D/search/addresses","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","properties":{"cluster_id":{"type":"string"}}},"queryParams":{"type":"object","properties":{"q":{"type":"string"},"chain_id":{"type":"array"},"page_size":{"type":"integer"},"page_token":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"items":[{"hash":"string","domains":[{"name":"string","protocol":{"id":"string","title":"string","docs_url":"string","icon_url":"string","tld_list":["string"],"short_name":"string","description":"string","deployment_blockscout_base_url":"string"}}],"has_tokens":true,"chain_infos":{},"coin_balance":"string","exchange_rate":"string","has_interop_message_transfers":true}],"next_page_params":{"page_size":0,"page_token":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lDOAjVmKwX0MQDQuPJJ1j","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Search for blockchain addresses across multiple chains within a Blockscout cluster, returning balance, token, and domain information","exampleAgentPrompt":"Search Blockscout's multichain explorer for the address '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045' across Ethereum and Base within cluster 'mainnet-evm', and show me its balances and any associated domain names.","exampleUseCases":[{"title":"Cross-chain wallet balance check","prompt":"Can you look up the address 0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B on Blockscout's multichain cluster 'evm-mainnet' across Ethereum and Polygon, and tell me its coin balances and whether it holds any tokens?"},{"title":"ENS domain reverse lookup across chains","prompt":"Search Blockscout's multichain explorer in cluster 'evm-public' for the address associated with 'vitalik.eth' and show me which chains it appears on along with any domain protocol details."},{"title":"Paginated address discovery for research","prompt":"I'm researching active wallets — can you search Blockscout's multichain cluster 'top-chains' for addresses matching '0x1234' with a page size of 20, and give me the first page of results including balances and chain info?"}],"resultDescription":"Returns a paginated list of address objects, each including the address hash, associated ENS or protocol domain names, coin balance, exchange rate, whether the address holds tokens, chain-specific info across the queried networks, interop message transfer flags, and pagination parameters for fetching subsequent pages.","failureModes":["Invalid or unknown cluster_id returns 404 or empty results","Malformed address query string returns no matches","Unsupported chain_id values may be silently ignored or return empty chain_infos","Missing required cluster_id path parameter causes request failure","Payment not included or insufficient USDC triggers 402 Payment Required","Rate limiting may return 429 if too many requests are made in quick succession"],"whenToPreferThis":"Choose this endpoint when you need to search for blockchain addresses across multiple chains simultaneously within a Blockscout cluster, especially when you want aggregated balance, token holdings, and ENS/domain information in a single call. Prefer it over single-chain explorers when cross-chain visibility is required, or when you need to resolve human-readable domain names to addresses across networks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:51:48.327Z","isFirstParty":false}