{"uid":"cap_9aiYVvkm14P_1Jjb_aoZO","slug":"chainanalyzer-address-transaction-counterparties-624c115f","name":"ChainAnalyzer — Address Transaction Counterparties","description":"Top transaction counterparties for an address with entity labels, category, per-counterparty transfer counts and observed flow totals. Reuses a scan of the same address from the last 24 hours when one exists, otherwise runs a fresh scan.","url":"https://chain-analyzer.com/api/v1/x402/address/:address/counterparties?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"properties":{"input":{"properties":{"queryParams":{"type":"object","properties":{"chain":{"type":"string"}}}}},"output":{"properties":{"example":{}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","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":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AMAGbqZC5ZA9KeP5ugAYT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top transaction counterparties for a blockchain address, including entity labels, categories, per-counterparty transfer counts, and observed flow totals, with 24-hour result caching.","exampleAgentPrompt":"Who are the top transaction counterparties for the Ethereum address 0xAbC123...def on chain ethereum — show me their entity labels, categories, and how much has flowed between them?","exampleUseCases":[{"title":"Exchange exposure check for compliance","prompt":"Can you pull the top counterparties for Ethereum address 0x4e9ce36E442e55EcD9025B9a6E0D88485d628A67 and tell me which exchanges or custodians it has been transacting with, along with transfer counts and flow totals?"},{"title":"AML investigation of suspicious wallet","prompt":"I'm investigating a flagged wallet — run a counterparty analysis on Bitcoin address 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf on the bitcoin chain and show me what entity categories it's been interacting with."},{"title":"Due diligence on a new business partner's wallet","prompt":"Before we onboard this vendor, can you check the top transaction counterparties for their Polygon address 0xDeFi99...abc and flag any risky or unknown entity categories in the results?"}],"resultDescription":"A ranked list of the top counterparties for the queried address, each annotated with entity label (e.g. Binance, Tornado Cash), entity category (e.g. exchange, mixer, DeFi protocol), number of transfers, and observed inflow/outflow totals. Results are served from a cached scan if one was run within the last 24 hours.","failureModes":["Invalid or malformed blockchain address returns a 400 error","Unsupported chain identifier returns an error or empty result","Address with no transaction history returns an empty counterparty list","Cache miss on a fresh address may add latency while a new scan runs","Payment failure (x402) blocks the request from executing"],"whenToPreferThis":"Use this endpoint when you need a quick, labeled summary of who a blockchain address has been transacting with — particularly for compliance checks, due diligence, or AML investigations — and want entity categories and flow totals without building your own graph analysis. Prefer this over raw transaction list endpoints when you need pre-resolved entity labels and ranked counterparty aggregation rather than raw tx data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:37:05.508Z","isFirstParty":false,"canonicalSlug":"chainanalyzer-address-transaction-counterparties-624c115f"}