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Build scales, chords, find intervals, and relative keys — 13 scale types and 12 ...

https://orbisapi.com/proxy/music-theory-api-71c215

Overview

Build scales, chords, find intervals, and relative keys — 13 scale types and 12 chord types. | 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) 188ms
Uptime (30d) 100.0%
Reliability Score 92/100
Last Checked 2026-04-16 12:18:07
Last Healthy 2026-04-16 12:18:07
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 12:18:07 healthy 402 180ms
2026-04-16 11:43:36 healthy 402 204ms
2026-04-16 10:01:18 healthy 402 180ms
2026-04-16 09:07:55 healthy 402 184ms
2026-04-16 08:18:22 healthy 402 346ms
2026-04-16 07:05:31 healthy 402 200ms
2026-04-16 06:25:16 healthy 402 180ms
2026-04-16 05:13:31 healthy 402 184ms
2026-04-16 04:40:14 healthy 402 186ms
2026-04-16 03:08:22 healthy 402 187ms
2026-04-16 02:31:47 healthy 402 311ms
2026-04-16 01:43:53 healthy 402 180ms
2026-04-16 00:22:14 healthy 402 207ms
2026-04-15 23:36:49 healthy 402 188ms
2026-04-15 22:02:49 healthy 402 604ms
2026-04-15 21:39:43 healthy 402 194ms
2026-04-15 20:38:28 healthy 402 184ms
2026-04-15 19:44:34 healthy 402 188ms
2026-04-15 18:39:53 healthy 402 189ms
2026-04-15 17:10:13 healthy 402 233ms