Discover / music-production-calc.x402tookit.com

Music Production Calc

■ Challenge detected

Camelot wheel code for a musical key and its harmonic-mixing matches; optionally test if two keys mix.

Listed price
$0.02
Challenge detected
1 of the last check
Median response
179 ms
Last checked
21 Oct, 00:26 UTC
In our index since
21 Oct 2026

Endpoint

curl -i https://music-production-calc.x402tookit.com/camelot-key
# 402 Payment Required: pay with an x402 client (USDC on Arbitrum),
# then send the same request again with the payment attached.
9 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://music-production-calc.x402tookit.com

  • GET/fret-noteNo price listedNote name, MIDI number and Hz at a fret on guitar, bass, ukulele or violin strings, with alternate tunings.
  • GET/delay-tailNo price listedFeedback delay decay: dB lost per repeat, repeats to fall 60 dB and total tail time in ms from delay and feedback.
  • GET/camelot-keyNo price listedCamelot wheel code for a musical key and its harmonic-mixing matches; optionally test if two keys mix.
  • GET/tempo-gridNo price listedNote values 1/1 to 1/32 (straight, dotted, triplet) at a BPM as ms, LFO Hz, samples and MIDI ticks.
  • GET/key-shiftNo price listedShift a key by semitones with the right sharp or flat spelling, its relative major or minor, signature and capo shapes.
  • GET/diatonic-chordsNo price listedThe 7 triads and 7th chords of a key (major, natural or harmonic minor) with spelled notes and Roman numerals.
  • GET/song-lengthNo price listedSong length in seconds and m:ss from bars, BPM and time signature, plus bars or BPM needed for a target length.
  • GET/pitch-speedNo price listedConvert semitones, cents, speed percent, two frequencies or two BPMs into one varispeed ratio with all equivalents.
  • GET/tap-timestampsNo price listedTap tempo from tap timestamps in ms: mean and median BPM, interval spread and jitter percent.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 9 of 9 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/music-production-calc.x402tookit.com

Recent checks

21 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.21 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
21 Oct, 00:26 UTCChallenge detected402179ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 21 Oct, 00:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Music Production Calc?

Its listed price is $0.02.

What payment terms does Music Production Calc advertise?

The listing advertises x402, Arbitrum, Base, Polygon, Solana and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Music Production Calc listed?

In x402 Bazaar. Superstables first indexed it on 21 Oct 2026.

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