Audio tools
Audio tools: Make 2-12 variations of one sound effect with small pitch and volume changes, so repeated footsteps or hits do not sound copy-pasted. Returns each file and a ZIP. Full schema: https://rengi.dev/v1/audio-tools/schema
Answeringour last check, 2026-10-21
1 of 1checks answered this week
937 msmedian answer time
$0.1listed price per call
$0.1price 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
POST https://rengi.dev/v1/audio-tools/variations
| Category | Image and media |
|---|---|
| Provider host | rengi.dev |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.1 | 937 ms |
Example input (from the provider)
{
"body": {
"audioUrl": "https://rengi.dev/samples/hit.wav",
"count": 5
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"audio": {
"description": "Audio file as base64 (wav, mp3, ogg, flac, m4a).",
"type": "string"
},
"audioUrl": {
"description": "Audio file URL.",
"format": "uri",
"type": "string"
},
"count": {
"default": 5,
"maximum": 12,
"minimum": 2,
"type": "integer"
},
"format": {
"default": "ogg",
"enum": [
"ogg",
"wav",
"mp3"
],
"type": "string"
},
"mono": {
"type": "boolean"
},
"pitchSemitones": {
"default": 2,
"description": "Max pitch change either way.",
"maximum": 6,
"minimum": 0,
"type": "number"
},
"seed": {
"default": 1,
"type": "integer"
},
"volumeDb": {
"default": 2,
"description": "Max volume change either way.",
"maximum": 12,
"minimum": 0,
"type": "number"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"variations": {
"items": {
"additionalProperties": false,
"properties": {
"durationSec": {
"type": "number"
},
"file": {
"type": "string"
},
"gainDb": {
"type": "number"
},
"name": {
"type": "string"
},
"semitones": {
"type": "number"
}
},
"required": [
"name",
"file",
"semitones",
"gainDb",
"durationSec"
],
"type": "object"
},
"type": "array"
},
"waveform": {
"type": "string"
},
"zip": {
"type": "string"
}
},
"required": [
"variations",
"zip",
"waveform"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}