x402- gateway
x402.
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.
Live
Last successful check: 25 Oct 2026, 18:40 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
Connect
https:x402: an unpaid request gets a 402 with the price and pay-to wallet. addrbook never pays.
Who's behind it
- Listed by
- x402 Bazaarlast seen UTC
- Wallets named
- 0x90b0dc893406d6ea63bb077ed59f5e8340f98d84named by x402 Bazaar
- Listed since
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| x402. | x402 | Live | 100% | 100% | — |
Also listed as
Other entries that share an endpoint with this one.