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
90/100
Last Checked
2026-06-14 23:58:23
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 |
|---|---|---|---|---|
| 2026-06-14 23:58:23 | degraded | 404 | 433ms | |
| 2026-06-14 17:19:12 | degraded | 404 | 445ms | |
| 2026-06-14 08:52:12 | degraded | 404 | 422ms | |
| 2026-06-14 04:14:15 | degraded | 404 | 743ms | |
| 2026-06-13 21:47:29 | degraded | 404 | 436ms | |
| 2026-06-13 16:47:49 | degraded | 404 | 446ms | |
| 2026-06-13 08:21:33 | degraded | 404 | 444ms | |
| 2026-06-13 05:33:17 | degraded | 404 | 429ms | |
| 2026-06-12 20:47:06 | degraded | 404 | 422ms | |
| 2026-06-12 16:10:58 | degraded | 404 | 418ms | |
| 2026-06-12 15:01:32 | degraded | 404 | 437ms |