{"slug":"chain-balance-ab8763a8","name":"Chain Balance","summary":"ETH balance of a Base mainnet address, incl. balance_usd. Use when an agent needs an address's ETH balance in ETH and USD on Base.","status":"live","headings":[],"indexable":true,"listed_since":"2026-11-04T19:57:15.261076Z","sources":[{"source":"x402_bazaar","external_id":"https://api.greyridgesignals.ai/chain/balance","owner_address":"0x5765ae06a52dc7a0bb71c36a11db512c7ea9ed10","seen_at":"2026-11-11T10:17:50.958167Z","removed_at":null}],"endpoints":[{"url":"https://api.greyridgesignals.ai/chain/balance","host":"api.greyridgesignals.ai","protocol":"x402","state":"live","last_probe_at":"2026-11-11T03:44:49.450080Z","last_ok_at":"2026-11-11T03:44:49.450080Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"api-greyridgesignals-ai-e39eb6ce","name":"api.greyridgesignals.ai"}],"payment_options":[{"endpoint_url":"https://api.greyridgesignals.ai/chain/balance","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x5765ae06a52dc7a0bb71c36a11db512c7ea9ed10","observed_at":"2026-11-11T03:44:49.450080Z"},{"endpoint_url":"https://api.greyridgesignals.ai/chain/balance","network":"eip155:137","scheme":"exact","rail":"exact","asset":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x5765ae06a52dc7a0bb71c36a11db512c7ea9ed10","observed_at":"2026-11-11T03:44:49.450080Z"},{"endpoint_url":"https://api.greyridgesignals.ai/chain/balance","network":"eip155:42161","scheme":"exact","rail":"exact","asset":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x5765ae06a52dc7a0bb71c36a11db512c7ea9ed10","observed_at":"2026-11-11T03:44:49.450080Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":1,"paid_calls_30d":2,"last_paid_at":"2026-11-11T02:21:33.659Z","reported_at":"2026-11-11T10:17:50.958167Z"},"assessment":{"method":"2026.11.3","checks":[{"id":"answers","state":"pass","reason":"Answered a check 6 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 6 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-11-11T10:18:37.809532Z"},"identity":{"endpoint_domains":["greyridgesignals.ai"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[],"human_backings":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}