{"uid":"cap_K-vqgM_FSB19ReV5hlZvI","slug":"misttrack-address-counterparty-lookup-1401923d","name":"MistTrack Address Counterparty Lookup","description":"Blockchain address labels and risk detection API with x402 payment protocol","url":"https://openapi.misttrack.io/x402/address_counterparty","method":"GET","headers":{},"bodySchema":{"type":"object","required":["coin","address"],"properties":{"coin":{"type":"string","description":"Coin/token symbol"},"address":{"type":"string","description":"Blockchain address to query"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6KAXAD6HhKgu9jDMcKdxG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns counterparty labels and risk intelligence for a given blockchain address, identifying exchanges, mixers, darknet entities, and other known actors","exampleAgentPrompt":"Can you look up who or what entity is associated with the Bitcoin address 1A1zP1eP5QGefi2DMPTfTL5SLmv7Divf and tell me if it's linked to any known exchange, mixer, or high-risk entity?","exampleUseCases":[{"title":"Exchange deposit address verification","prompt":"I just received a payment from Ethereum address 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe — can you check if MistTrack has any labels or counterparty info for it so I know if it's coming from an exchange or somewhere suspicious?"},{"title":"Darknet or sanctions screening","prompt":"Before I process this transaction, can you screen the USDT TRC20 address TLa2f6VPqDgRE67v1736s7bJ8Ray5wYjU7 for any links to darknet markets, mixers, or sanctioned entities?"},{"title":"Crypto compliance AML check","prompt":"Our compliance team needs to know the counterparty classification for this Litecoin address LTC1q... — run an AML check against MistTrack and tell me if it's flagged as a high-risk wallet or if it's tied to any known service."}],"resultDescription":"A structured response containing counterparty labels (e.g. exchange name, mixer, darknet market, gambling site), entity type classification, and risk-related metadata for the queried blockchain address and coin combination.","failureModes":["Unknown address with no labels returns empty or null counterparty data","Unsupported coin symbol returns an error or empty result","Malformed or invalid blockchain address returns a validation error","Payment failure via x402 protocol results in 402 response with no data","Rate limiting or quota exhaustion returns HTTP 429"],"whenToPreferThis":"Choose this endpoint when you need to identify the real-world entity or counterparty behind a specific blockchain address for AML, compliance screening, or fraud investigation purposes. MistTrack is a specialized crypto forensics and AML platform with a large proprietary label database, making it preferable over generic blockchain explorers when entity identification and risk classification are the primary goals. Best suited for per-address lookups where cost-per-call is acceptable and you need structured counterparty intelligence rather than raw transaction history.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:33:20.782Z","isFirstParty":false}