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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

WhenStatementLog index
2026-11-11 00:20 UTC054ff9f9…0e23b5 daily summary486888
2026-11-10 00:20 UTC552757a5…887692 daily summary404738
2026-11-09 00:18 UTC2c87dec1…98570a daily summary313191
2026-11-08 00:16 UTC2e819434…a7b4a2 daily summary235085
2026-11-07 00:19 UTC698a341c…8d4033 daily summary156373
2026-11-06 00:15 UTCca728cd6…80c25a daily summary62781

Verify any statement offline: how.

For agents and owners

JSON: https://alalanet.com/v1/services/z5u5klv7cgddgjwp

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