Voice-cloning text-to-speech — provide a reference audio clip and generate speec
Voice-cloning text-to-speech — provide a reference audio clip and generate speech in that voice at 48kHz
Answeringour last check, 2026-09-24
1 of 1checks answered this week
186 msmedian answer time
$0.02listed price per call
$0.02price 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://x402engine.app/api/tts/lux
| Category | Image and media |
|---|---|
| Provider host | x402engine.app |
| Networks | eip155:4326, 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 186 ms |
Example input (from the provider)
{
"body": {
"audio_url": "https://storage.googleapis.com/falserverless/example_inputs/reference_audio.wav",
"guidance_scale": 3,
"max_ref_length": 5,
"num_inference_steps": 4,
"text": "Hey, what's up? I'm feeling really great today!"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"audio_url": {
"description": "URL of reference audio file for voice cloning",
"example": "https://storage.googleapis.com/falserverless/example_inputs/reference_audio.wav",
"type": "string"
},
"guidance_scale": {
"default": 3,
"description": "Classifier-free guidance scale (0-10)",
"example": 3,
"type": "number"
},
"max_ref_length": {
"default": 5,
"description": "Max reference audio duration in seconds (1-15)",
"example": 5,
"type": "number"
},
"num_inference_steps": {
"default": 4,
"description": "Flow-matching inference steps (1-16)",
"example": 4,
"type": "number"
},
"seed": {
"description": "Random seed for reproducibility",
"type": "number"
},
"text": {
"description": "Text to convert to speech",
"example": "Hey, what's up? I'm feeling really great today!",
"type": "string"
}
},
"required": [
"text",
"audio_url"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"bodyType",
"body",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}