Decode a 4-byte function selector or calldata into human-readable Solidity funct...
https://api.x402node.dev/chain/sig-decodeOverview
Decode a 4-byte function selector or calldata into human-readable Solidity function signatures via openchain - reverses on-chain selectors that LLMs cannot know. function selector, 4byte decode, sig decode, calldata decode, method id, selector lookup
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
x402node
Source
bazaar
Indexed
2026-06-12 07:15:29
Health
Status
healthy
Latency (p50)
419ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-08-14 13:38:52
Last Healthy
2026-08-14 13:38:52
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-08-14 13:38:52 | healthy | 402 | 145ms | |
| 2026-08-14 07:35:58 | healthy | 402 | 427ms | |
| 2026-08-14 03:55:53 | healthy | 402 | 424ms | |
| 2026-08-13 22:20:39 | healthy | 402 | 425ms | |
| 2026-08-13 13:37:30 | healthy | 402 | 1184ms | |
| 2026-08-13 11:06:25 | healthy | 402 | 5092ms | |
| 2026-08-13 03:44:34 | healthy | 402 | 419ms | |
| 2026-08-12 22:25:59 | healthy | 402 | 419ms | |
| 2026-08-12 18:27:47 | healthy | 402 | 417ms | |
| 2026-08-12 13:11:54 | healthy | 402 | 410ms | |
| 2026-08-12 05:24:20 | healthy | 402 | 417ms | |
| 2026-08-12 02:46:55 | healthy | 402 | 417ms | |
| 2026-08-11 21:34:40 | healthy | 402 | 141ms | |
| 2026-08-11 14:44:01 | healthy | 402 | 420ms |