Api Endpoint

8-bit SFX Generator

Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation

Open interactive test console

Offering

Provider: x402.professorsausages.com
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Creative
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://x402.professorsausages.com/sfx/mutate
MIME type: application/json
First seen: 2026-10-16T01:53:06.460Z
Last seen: 2026-11-04T00:46:00.167Z
Tags: sfx, audio, 8-bit, gamedev, synth

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "30000",
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B"
  }
]

Observed health

Status: Healthy
Latest latency: 626 ms
Average latency: 536 ms
HTTP status: 402
Last checked: 2026-11-04T00:46:00.162Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "queryParams": {
      "type": "object",
      "properties": {
        "preset": {
          "type": "string",
          "description": "Base preset. Omit for a random base."
        },
        "seed": {
          "type": "string",
          "description": "Integer seed of the base sound. Omit for a random seed."
        },
        "amount": {
          "type": "string",
          "description": "Mutation magnitude."
        },
        "format": {
          "type": "string",
          "description": "Fidelity profile: wav is 44.1k/16, wav8 is 44.1k/8, retro is 22k/8. Explicit bits/sampleRate override it.",
          "enum": [
            "wav",
            "wav8",
            "retro"
          ]
        },
        "bits": {
          "type": "string",
          "description": "Bit depth. Overrides the format profile; the override is echoed in formatOverride.",
          "enum": [
            "8",
            "16"
          ]
        },
        "sampleRate": {
          "type": "string",
          "description": "Sample rate in Hz. Overrides the format profile; the override is echoed in formatOverride.",
          "enum": [
            "11025",
            "22050",
            "44100"
          ]
        }
      }
    }
  }
}

Output schema

{
  "properties": {
    "input": {
      "properties": {
        "queryParams": {
          "properties": {
            "amount": {
              "description": "Mutation magnitude.",
              "type": "string"
            },
            "bits": {
              "description": "Bit depth. Overrides the format profile; the override is echoed in formatOverride.",
              "enum": [
                "8",
                "16"
              ],
              "type": "string"
            },
            "format": {
              "description": "Fidelity profile: wav is 44.1k/16, wav8 is 44.1k/8, retro is 22k/8. Explicit bits/sampleRate override it.",
              "enum": [
                "wav",
                "wav8",
                "retro"
              ],
              "type": "string"
            },
            "preset": {
              "description": "Base preset. Omit for a random base.",
              "type": "string"
            },
            "sampleRate": {
              "description": "Sample rate in Hz. Overrides the format profile; the override is echoed in formatOverride.",
              "enum": [
                "11025",
                "22050",
                "44100"
              ],
              "type": "string"
            },
            "seed": {
              "description": "Integer seed of the base sound. Omit for a random seed.",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "type": "object"
    },
    "output": {
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}