Introductory pricing
Introductory pricing. NeuroDynamic speech-to-text transcription: convert a voice note or short audio recording into a JSON transcript. Up to 60 seconds and 12 MiB; WAV, MP3, FLAC or Ogg. No account needed. Read https://api.neurodynamic.tech/docs for inputs, privacy and payment recovery. 0.01 USDC on Base.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
972 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
POST https://api.neurodynamic.tech/v1/audio/transcriptions
| Category | Image and media |
|---|---|
| Provider host | api.neurodynamic.tech |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 6 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 972 ms |
Example input (from the provider)
{
"body": {
"file": "<binary WAV audio>",
"model": "whisper-1"
},
"bodyType": "form-data",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"file": {
"description": "WAV, MP3, FLAC or Ogg; max 60 seconds and 12 MiB",
"format": "binary",
"type": "string"
},
"language": {
"pattern": "^[a-z]{2}$",
"type": "string"
},
"model": {
"enum": [
"whisper-1"
],
"type": "string"
},
"response_format": {
"enum": [
"json"
],
"type": "string"
}
},
"required": [
"file"
],
"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"
},
"output": {
"properties": {
"example": {
"properties": {
"duration_seconds": {
"type": "number"
},
"text": {
"type": "string"
}
},
"required": [
"text",
"duration_seconds"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}