Number of ordered arrangements of r items from n, nPr = n!/(n-r)!. Requires r ≤ ...
https://combinatorics.openverbs.com/v1/permutationsOverview
Number of ordered arrangements of r items from n, nPr = n!/(n-r)!. Requires r ≤ n and r ≤ 10000.
Protocol
x402 (POST)
Price
$0.0040
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
Permutations (nPr)
Source
bazaar
Indexed
2026-09-05 13:13:48
Health
Status
healthy
Latency (p50)
679ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-27 22:25:09
Last Healthy
2026-10-27 22:25:09
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"n": "42",
"r": "42"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-27 22:25:09 | healthy | 402 | 2111ms | |
| 2026-10-27 21:23:47 | healthy | 402 | 679ms | |
| 2026-10-27 21:02:40 | healthy | 402 | 572ms | |
| 2026-10-27 20:03:51 | healthy | 402 | 1102ms | |
| 2026-10-27 19:01:50 | healthy | 402 | 549ms | |
| 2026-10-26 10:26:36 | healthy | 402 | 2056ms | |
| 2026-10-25 20:50:46 | healthy | 402 | 424ms | |
| 2026-10-25 16:58:38 | healthy | 402 | 474ms |