Takes 2 to 15 recordings by URL or inline base64, each with its declared length,
Takes 2 to 15 recordings by URL or inline base64, each with its declared length, and returns one transcript per file in the order given: full text, detected language, paragraphs, utterances, a confidence summary naming the weakest words with timestamps, and optionally every word with its timing. Billing is per started audio minute across the whole batch, at 0.017 USDC instead of the 0.02 USDC of a single /v1/stt call, at most 60 minutes per call.
Answeringour last check, 2026-10-31
1 of 1checks answered this week
1380 msmedian answer time
$0.034listed price per call
$0.034price 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://medien.halowerk.com/v1/stt-batch
| Category | Image and media |
|---|---|
| Provider host | medien.halowerk.com |
| Networks | eip155:8453 |
| 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 |
|---|---|---|---|---|
| 2026-10-31 | valid payment request | 402 | $0.034 | 1380 ms |
Example input (from the provider)
{
"body": {
"files": [
{
"duration_minutes": 1,
"id": "teil-1",
"source": {
"url": "https://static.deepgram.com/examples/Bueller-Life-moves-pretty-fast.wav"
}
},
{
"duration_minutes": 1,
"id": "teil-2",
"source": {
"url": "https://static.deepgram.com/examples/Bueller-Life-moves-pretty-fast.wav"
}
}
],
"language": "en"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"confidence_threshold": {
"default": 0.7,
"maximum": 1,
"minimum": 0,
"type": "number"
},
"files": {
"description": "The recordings. Each with source and its length in started minutes.",
"items": {
"additionalProperties": false,
"properties": {
"duration_minutes": {
"description": "Length of this recording in started minutes.",
"maximum": 30,
"minimum": 1,
"type": "integer"
},
"id": {
"description": "Your own label for this file; returned unchanged.",
"maxLength": 120,
"type": "string"
},
"source": {
"additionalProperties": false,
"description": "The recording. Either url or content_base64.",
"properties": {
"content_base64": {
"description": "The file inline, base64. All inline files together must stay under the 12 MB request limit; larger batches come by url.",
"maxLength": 12000000,
"type": "string"
},
"filename": {
"maxLength": 260,
"type": "string"
},
"url": {
"description": "Public http(s) URL of the audio or video file.",
"maxLength": 2048,
"type": "string"
}
},
"type": "object"
}
},
"required": [
"source",
"duration_minutes"
],
"type": "object"
},
"maxItems": 15,
"minItems": 2,
"type": "array"
},
"include_words": {
"default": false,
"description": "Return every word with timestamps per file. Off keeps the response small.",
"type": "boolean"
},
"language": {
"description": "BCP-47 code for all files, e.g. en, de. Omit to detect per file. \"multi\" is not offered in batch.",
"maxLength": 12,
"type": "string"
}
},
"required": [
"files"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}