Navigate the circle of fifths — key signatures, related keys, modulation paths. ...
https://orbisapi.com/proxy/circle-of-fifths-api-78b784Overview
Navigate the circle of fifths — key signatures, related keys, modulation paths. | Pay-per-call via Orbis API Marketplace (USDC on Base, x402 protocol). No account or API key required.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
orbisapi
Source
bazaar
Indexed
2026-04-15 15:04:15
Health
Status
healthy
Latency (p50)
201ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-04-16 15:17:02
Last Healthy
2026-04-16 15:17:02
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
—
Facilitator
—
Input Schema
{
"discoverable": true,
"method": "GET",
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-04-16 15:17:02 | healthy | 402 | 348ms | |
| 2026-04-16 14:43:02 | healthy | 402 | 259ms | |
| 2026-04-16 13:35:36 | healthy | 402 | 201ms | |
| 2026-04-16 12:47:26 | healthy | 402 | 175ms | |
| 2026-04-16 11:03:24 | healthy | 402 | 713ms | |
| 2026-04-16 10:01:16 | healthy | 402 | 197ms | |
| 2026-04-16 09:52:41 | healthy | 402 | 182ms | |
| 2026-04-16 08:50:01 | healthy | 402 | 182ms | |
| 2026-04-16 07:47:52 | healthy | 402 | 215ms | |
| 2026-04-16 06:20:42 | healthy | 402 | 220ms | |
| 2026-04-16 05:28:13 | healthy | 402 | 194ms | |
| 2026-04-16 04:17:36 | healthy | 402 | 183ms | |
| 2026-04-16 03:28:19 | healthy | 402 | 322ms | |
| 2026-04-16 02:30:18 | healthy | 402 | 216ms | |
| 2026-04-16 01:04:04 | healthy | 402 | 199ms | |
| 2026-04-16 00:12:56 | healthy | 402 | 333ms | |
| 2026-04-15 23:22:42 | healthy | 402 | 194ms | |
| 2026-04-15 22:04:43 | healthy | 402 | 206ms | |
| 2026-04-15 21:31:27 | healthy | 402 | 175ms | |
| 2026-04-15 20:26:51 | healthy | 402 | 196ms |