{"name":"FabTally Algo — on-chain decoder on Algorand mainnet","version":"1.0.0","summary":"Resolve a 4-byte EVM function selector (0x + 8 hex) OR a 32-byte event topic hash (0x + 64 hex) to its human-readable signature(s) via 4byte.directory + openchain.xyz. Returns all matches (selectors can collide) with a verified flag. Read-only, stateless, deterministic. Paid in USDC on Algorand mainnet via x402.","operator":"Sunstone Soft","contact":"hello@fabtally.com","category":"Compute / blockchain developer utilities","tags":["x402-global-challenge"],"terms":"Read-only decoding of public on-chain data. No PII, funds, or request data are stored; every call is computed and discarded.","pricing":{"model":"per-call","checks":{"selector-lookup":"$0.001"}},"payment":{"protocol":"x402","x402Version":2,"scheme":"exact","network":"algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","chain":"algorand-mainnet","asset":"USDC","assetId":"31566704","payTo":"IIPCDBCKD6YZN4W3ZUQBKOVTN4Y44WCVLB7SAOODH4AMZR5F4656HHU3T4","facilitator":"https://facilitator.goplausible.xyz"},"checks":[{"key":"selector-lookup","method":"POST","url":"https://algo.fabtally.com/v1/selector-lookup","price":"$0.001","priceAtomicUsdc":"1000","description":"Resolve a 4-byte EVM function selector (0x + 8 hex) OR a 32-byte event topic hash (0x + 64 hex) to its human-readable signature(s) via 4byte.directory + openchain.xyz. Returns all matches (selectors can collide) with a verified flag. Read-only, stateless, deterministic. Paid in USDC on Algorand mainnet via x402.","example":{"selector":"0xa9059cbb"}}],"fetchedAt":"2026-09-17T20:15:11.721Z"}