{"slug":"onchain-query-api-6e9a991b","name":"Onchain Query API","summary":"Latest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:12.833655Z","sources":[{"source":"x402_bazaar","external_id":"https://chain.cyberwarex.com/block","owner_address":"0x058d0cc5cc97e61e8a9f38d6d6365bce525921b2","seen_at":"2026-10-26T05:59:06.131932Z","removed_at":null}],"endpoints":[{"url":"https://chain.cyberwarex.com/block","host":"chain.cyberwarex.com","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:06:22.792329Z","last_ok_at":"2026-10-25T18:06:22.792329Z","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":6,"paid_calls_30d":44,"last_paid_at":"2026-10-25T07:36:14.223Z","reported_at":"2026-10-26T05:59:06.131932Z"},"notice":"Not affiliated with addrbook — claim or request removal."}