{"slug":"onchain-query-api-9f785363","name":"Onchain Query API","summary":"Native coin balance (ETH or POL) of any address on Base, Ethereum, Arbitrum, Optimism or Polygon, with USD value. One RPC read, no key, no node. Use it to check that a wallet is funded before sending, or to watch a counterparty balance.","status":"live","indexable":true,"listed_since":"2026-10-25T17:51:33.241976Z","sources":[{"source":"x402_bazaar","external_id":"https://chain.cyberwarex.com/balance","owner_address":"0x058d0cc5cc97e61e8a9f38d6d6365bce525921b2","seen_at":"2026-10-26T06:00:04.710943Z","removed_at":null}],"endpoints":[{"url":"https://chain.cyberwarex.com/balance","host":"chain.cyberwarex.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T20:31:44.214530Z","last_ok_at":"2026-10-25T20:31:44.214530Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"chain-cyberwarex-com-e9e6aa37","name":"chain.cyberwarex.com"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":2,"paid_calls_30d":2,"last_paid_at":"2026-10-21T20:20:12.899Z","reported_at":"2026-10-26T06:00:04.710943Z"},"notice":"Not affiliated with addrbook — claim or request removal."}