Speech to text
Speech to text: the text, timed segments and the spoken language for mp3, wav, m4a, ogg or webm audio (10 MB, 5 minutes, checked from the file). Use when you need to answer: What is said in this audio file? Cached 24 hours by the audio itself.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
898 msmedian answer time
$0.01listed price per call
$0.01price 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.ochinimus.app/api/transcribe
| Category | Image and media |
|---|---|
| Provider host | x402.ochinimus.app |
| Networks | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:137, eip155:42161, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | batch-settlement, 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 |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 898 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"url": "https://www.w3schools.com/html/horse.mp3"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"url": {
"description": "the audio file: an absolute http or https URL",
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"audio": {
"type": "object"
},
"cached": {
"type": "boolean"
},
"fetched_at": {
"type": "string"
},
"final_url": {
"type": "string"
},
"language": {
"type": "string"
},
"model": {
"type": "string"
},
"no_speech_found": {
"type": "boolean"
},
"segments": {
"type": "array"
},
"source_url": {
"type": "string"
},
"text": {
"type": "string"
}
},
"type": "object"
},
"paid": {
"type": "boolean"
},
"tool": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}