Directory / api.x402node.dev
api.x402node.dev/crypto/selector working
https://api.x402node.dev/crypto/selector
Before you pay
- Advice
ok- Protocol
- x402 · http · GET
- Asks for
- 0.01 USDC on base
- Catalogue says
- 0.01 USDC
- Pays to
0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e- Last check
- 47 min ago · 164 ms · HTTP 402
- Detail
- 402 with valid terms
Reliability
- Uptime 24 h
- 100.0%
- Uptime 7 days
- 100.0% (98 checks)
- Uptime 30 days
- 100.0% (signed daily)
- Paid calls 30 d
- 4 from 4 payers (x402 Bazaar)
- Listed by
- x402-bazaar
- First seen
- 2026-11-05 22:26 UTC
Description (from the catalogue, unverified)
Compute the 4-byte function/error selector and full keccak topic from a solidity signature, e.g. transfer(address,uint256). For decoding tx input prefixes and matching event topics. function selector, 4byte, method id, event topic, keccak signature Accepts payment on Base or Solana — either network works.
Signed history
| When | Statement | Log index |
|---|---|---|
| 2026-11-11 00:20 UTC | 054ff9f9…0e23b5 daily summary | 486888 |
| 2026-11-10 00:20 UTC | 552757a5…887692 daily summary | 404738 |
| 2026-11-09 00:18 UTC | 2c87dec1…98570a daily summary | 313191 |
| 2026-11-08 00:16 UTC | 2e819434…a7b4a2 daily summary | 235085 |
| 2026-11-07 00:19 UTC | 698a341c…8d4033 daily summary | 156373 |
| 2026-11-06 00:15 UTC | ca728cd6…80c25a daily summary | 62781 |
Verify any statement offline: how.
For agents and owners
JSON: https://alalanet.com/v1/services/z5u5klv7cgddgjwp
Badge:
<a href="https://alalanet.com/s/z5u5klv7cgddgjwp"><img src="https://alalanet.com/badge/z5u5klv7cgddgjwp" alt="alalanet status"></a>
Own this service? Claim it (free). Do not want it checked? See the prober page.