Compute the exact keccak256 hash and 4-byte function selector of any string or h...
https://api.x402node.dev/crypto/keccakOverview
Compute the exact keccak256 hash and 4-byte function selector of any string or hex input - the precise Ethereum hash that LLMs cannot calculate correctly. keccak256, keccak hash, function selector, solidity hash, ethereum hash, 4byte selector
Protocol
x402
Price
$0.0040
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
x402node
Source
bazaar
Indexed
2026-06-12 07:15:29
Health
Status
degraded
Latency (p50)
436ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-24 13:20:13
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Invalid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "POST",
"queryParams": {
"data": "Data (optional)",
"input": "Input (optional)",
"text": "String or 0x-hex to hash (required, max 100KB)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-24 13:20:13 | degraded | 404 | 438ms | |
| 2026-09-24 05:26:35 | degraded | 404 | 436ms | |
| 2026-09-24 02:09:50 | degraded | 404 | 493ms | |
| 2026-09-23 15:21:55 | degraded | 404 | 444ms | |
| 2026-09-23 09:52:24 | degraded | 404 | 434ms | |
| 2026-09-23 02:28:36 | degraded | 404 | 146ms | |
| 2026-09-22 13:47:53 | degraded | 404 | 431ms | |
| 2026-09-22 10:01:59 | degraded | 404 | 427ms | |
| 2026-09-22 02:49:27 | degraded | 404 | 1030ms |