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ApexAPI Audio Transcription
x402
ApexAPI Audio Transcription is a paid API for AI agents from apex-api-gamma.vercel.app, paid per call via x402, $0.187285/call, status unknown (last checked 2026-09-13).
Transcribes audio content to text using a pay-per-call API on Base blockchain with no API key required
Price / call$0.187285
Success—
StatusUnknown
How this service works
Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.
Output
Returns a text transcript of the submitted audio content, converting spoken words into written text
Example use cases
Transcribe customer support call recordings
“I need you to transcribe all our customer service calls from yesterday. Here are the audio files from our support portal. Can you convert them to text so I can review what happened with each customer?”
Extract text from podcast episodes
“We just published a new podcast episode. Can you transcribe this audio file so we can create a written transcript for our website and social media posts?”
Convert voice memos to written notes
“I've got a bunch of voice memos from my team meetings this week. Can you turn these audio files into text documents so we can easily search and reference what was discussed?”
Technical details
Endpoint
POSThttps://apex-api-gamma.vercel.app/api/ai/audio/transcribeWhen to prefer
Choose this endpoint when you need pay-per-call audio transcription with no API key or subscription setup, particularly when operating on Base blockchain with USDC payments. Useful for agents that handle sporadic transcription tasks without committing to a subscription service.
Side effects
- Invalid or inaccessible audio URL returns an error response
- Unsupported audio format may result in failed transcription
- Overly long audio files may time out or exceed processing limits
- Ambiguous or noisy audio may produce inaccurate transcription
- Payment failure in USDC on Base will block the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| query | string | Search query or input parameter |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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