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)
416ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-30 18:46:07
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 |
|---|---|---|---|---|
| 2026-07-30 18:46:07 | degraded | 404 | 415ms | |
| 2026-07-30 12:28:32 | degraded | 404 | 422ms | |
| 2026-07-30 07:32:35 | degraded | 404 | 139ms | |
| 2026-07-30 05:20:32 | degraded | 404 | 416ms | |
| 2026-07-29 21:33:19 | degraded | 404 | 416ms | |
| 2026-07-29 18:36:58 | degraded | 404 | 705ms | |
| 2026-07-29 14:14:01 | degraded | 404 | 419ms | |
| 2026-07-29 12:55:36 | degraded | 404 | 418ms | |
| 2026-07-29 08:44:55 | degraded | 404 | 417ms | |
| 2026-07-29 04:40:35 | degraded | 404 | 140ms | |
| 2026-07-29 01:26:07 | degraded | 404 | 141ms | |
| 2026-07-28 17:34:32 | degraded | 404 | 417ms | |
| 2026-07-28 15:38:56 | degraded | 404 | 413ms | |
| 2026-07-28 12:53:49 | degraded | 404 | 417ms | |
| 2026-07-28 06:30:37 | degraded | 404 | 420ms | |
| 2026-07-28 04:23:49 | degraded | 404 | 412ms | |
| 2026-07-27 23:40:22 | degraded | 404 | 140ms |