Convert audio to text with speaker identification — covers up to 10 minutes of a
Convert audio to text with speaker identification — covers up to 10 minutes of audio
Answeringour last check, 2026-09-30
1 of 1checks answered this week
323 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://x402engine.app/api/transcribe
| Category | Image and media |
|---|---|
| Provider host | x402engine.app |
| Networks | eip155:4326, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-30 | valid payment request | 402 | $0.1 | 323 ms |
Example input (from the provider)
{
"body": {
"audio_base64": "data:audio/mp3;base64,SGVsbG8=",
"audio_mimetype": "audio/mp3",
"audio_url": "https://example.com/audio.mp3"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"audio_url"
]
},
{
"required": [
"audio_base64"
]
}
],
"properties": {
"audio_base64": {
"description": "Base64-encoded audio data with MIME type prefix (provide audio_url OR audio_base64, not both)",
"example": "data:audio/mp3;base64,SGVsbG8=",
"type": "string"
},
"audio_mimetype": {
"description": "MIME type when using audio_base64 (e.g. audio/mp3, audio/wav)",
"example": "audio/mp3",
"type": "string"
},
"audio_url": {
"description": "URL of audio file to transcribe (provide audio_url OR audio_base64, not both)",
"example": "https://example.com/audio.mp3",
"type": "string"
}
},
"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"
}