Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by pa
Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation
Answers HTTP 400 without x402 payment termsour last check, 2026-09-24
0 of 1checks answered this week
n/amedian answer time
$0.03listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402.professorsausages.com/sfx/mutate
| Category | Everything else |
|---|---|
| Provider host | x402.professorsausages.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | no x402 terms | 400 | 175 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"amount": "Mutation magnitude.",
"bits": "Bit depth. Overrides the format profile; the override is echoed in formatOverride.",
"format": "Fidelity profile: wav is 44.1k/16, wav8 is 44.1k/8, retro is 22k/8. Explicit bits/sampleRate override it.",
"preset": "Base preset. Omit for a random base.",
"sampleRate": "Sample rate in Hz. Overrides the format profile; the override is echoed in formatOverride.",
"seed": "Integer seed of the base sound. Omit for a random seed."
},
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"type": "object"
},
"output": {
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}