{"slug":"erc-20-token-approval-check-bc909ed0","name":"ERC-20 token approval check","summary":"ERC-20 token approval check. Check how much of a wallet's ERC-20 token a spender contract is approved to move on Base: the raw and formatted allowance, the token symbol and decimals, and whether the approval is unlimited. Use before a swap or deposit to see if an approve transaction is needed, and to audit a wallet for risky unlimited approvals.","status":"live","headings":[{"slug":"blockchain","title":"Blockchain & wallets"},{"slug":"crypto-markets","title":"Crypto prices & DeFi"}],"indexable":true,"listed_since":"2026-10-25T17:52:26.506873Z","sources":[{"source":"x402_bazaar","external_id":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","owner_address":"0x6293ded2684f1a76e26becef87c137d691fbf800","seen_at":"2026-11-11T10:17:52.235186Z","removed_at":null}],"endpoints":[{"url":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","host":"agent-data-tools.revmesh2074.workers.dev","protocol":"x402","state":"live","last_probe_at":"2026-11-11T05:27:07.828649Z","last_ok_at":"2026-11-11T05:27:07.828649Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agent-data-tools-revmesh2074-workers-dev-090312c0","name":"agent-data-tools.revmesh2074.workers.dev"}],"payment_options":[{"endpoint_url":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x6293ded2684f1a76e26becef87c137d691fbf800","observed_at":"2026-11-11T05:27:07.828649Z"},{"endpoint_url":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","network":"eip155:137","scheme":"exact","rail":"exact","asset":"0x3c499c542cef5e3811e1192ce70d8cc03d5c3359","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x6293ded2684f1a76e26becef87c137d691fbf800","observed_at":"2026-11-11T05:27:07.828649Z"},{"endpoint_url":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","network":"eip155:42161","scheme":"exact","rail":"exact","asset":"0xaf88d065e77c8cc2239327c5edb3a432268e5831","coin":"USDC","asset_label":"USD Coin","amount":"2000","pay_to":"0x6293ded2684f1a76e26becef87c137d691fbf800","observed_at":"2026-11-11T05:27:07.828649Z"},{"endpoint_url":"https://agent-data-tools.revmesh2074.workers.dev/base-allowance","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","scheme":"exact","rail":"exact","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","coin":"USDC","asset_label":null,"amount":"2000","pay_to":"82wfSCZhCmZA7zwqqt6Q3FG8nqYBwUvbThP6M97fa9Q6","observed_at":"2026-11-11T05:27:07.828649Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":6,"last_paid_at":"2026-11-10T20:47:43.411Z","reported_at":"2026-11-11T10:17:52.235186Z"},"assessment":{"method":"2026.11.3","checks":[{"id":"answers","state":"pass","reason":"Answered a check 4 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 16 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"3 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":["revmesh2074.workers.dev"],"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."}