{"slug":"x402-gateway-1f7ca7a3","name":"x402-gateway","summary":"Ethereum Address Checksum: Convert an Ethereum address to its EIP-55 checksummed form. SIWE messages require the checksummed address on line 2 before signing. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/wallet_checksum.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:16.477941Z","sources":[{"source":"x402_bazaar","external_id":"https://x402.freeq.one/tools/wallet_checksum","owner_address":"0x90b0dc893406d6ea63bb077ed59f5e8340f98d84","seen_at":"2026-10-25T19:50:30.286948Z","removed_at":null}],"endpoints":[{"url":"https://x402.freeq.one/tools/wallet_checksum","host":"x402.freeq.one","protocol":"x402","state":"live","last_probe_at":"2026-10-25T18:40:31.381264Z","last_ok_at":"2026-10-25T18:40:31.381264Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"x402-freeq-one-39f8658c","name":"x402.freeq.one"}],"notice":"Not affiliated with addrbook — claim or request removal."}