{"slug":"saylorinnovations-com-api-chain-activity-map-ba5dba","title":"Where a wallet is active","host":"saylorinnovations.com","method":"GET","resource":"https://saylorinnovations.com/api/chain/activity-map","category":"market","description":"Where a wallet is active: native balance, transaction count and contract flag on all 16 EVM chains in one call, with the most active chain.","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":316,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:42161","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"address":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"address":{"description":"the wallet or contract address to look up on every chain","type":"string"}},"required":["address"],"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"properties":{"active_chains":{"description":"names of those chains","type":["array","null"]},"address":{"description":"the address queried","type":"string"},"chains_active":{"description":"chains where it has a balance or has sent transactions","type":"number"},"chains_answered":{"description":"chains that answered","type":"number"},"chains_queried":{"description":"chains asked","type":"number"},"elapsed_ms":{"description":"total time for all chains","type":"number"},"most_active_chain":{"description":"chain with the most outgoing transactions","type":["string","null"]},"note":{"description":"plain-language reading of the result","type":"string"},"results":{"description":"one entry per chain","items":{"properties":{"active":{"description":"true when balance or nonce is above zero","type":["boolean","null"]},"chain":{"description":"chain name","type":["string","null"]},"is_contract":{"description":"true when the address is a contract there","type":["boolean","null"]},"ms":{"description":"time taken for that chain","type":["number","null"]},"native_balance":{"description":"native balance","type":["number","null"]},"native_symbol":{"description":"native currency","type":["string","null"]},"ok":{"description":"false when the chain did not answer","type":["boolean","null"]},"tx_count":{"description":"outgoing transactions (nonce)","type":["number","null"]}},"type":"object"},"type":["array","null"]},"source":{"description":"where the data was read from or how it was computed","type":"string"},"total_transactions_sent":{"description":"sum of outgoing transactions over answering chains","type":"number"}},"required":["address","chains_queried","chains_answered","chains_active","results","note","source"],"type":"object"},"type":{"const":"json","type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-21","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":316,"error":null}],"description_full":"Where a wallet is active: native balance, transaction count and contract flag on all 16 EVM chains in one call, with the most active chain.","last_updated":"2026-10-21T04:11:46.583Z","schemes":["exact"]}