Baron Power Play Speech-to-Text (STT)

x402

Baron Power Play Speech-to-Text (STT) is a paid API for AI agents from baron-power-play.baronpowerplay.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-10).

Transcribes audio to text and extracts alpha (actionable signal) keywords from the transcript, paid per-call via USDC on Base with no account required.

Price / call$0.01

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call AI infrastructure for autonomous agents. USDC on Base, settled by Coinbase. No API key, no account, no subscription.

Output

Returns a JSON object containing the full transcribed text of the audio input and an array of alpha_keywords_found objects, each with the matched keyword string and its character index position within the transcript.

Example use cases

Trading signal extraction from podcast

“Listen to this audio snippet from a crypto podcast and tell me if anyone mentions buy or sell signals — transcribe it and flag any alpha keywords with their positions in the text.”

Voice note keyword detection

“I recorded a voice memo with some investment ideas — can you transcribe it and highlight any actionable keywords like 'buy', 'sell', or 'hold' and where they appear?”

Autonomous agent audio monitoring

“My agent is monitoring audio feeds for market signals — transcribe this audio and return any alpha keywords found so I can trigger the next step in the workflow.”

Technical details

Endpoint

POSThttps://baron-power-play.baronpowerplay.workers.dev/stt?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need pay-per-call, no-account speech-to-text with built-in alpha keyword extraction in a single call — ideal for autonomous agents operating on Base/USDC infrastructure that need both transcription and signal detection without managing API keys or subscriptions.

Side effects

Missing required fields (title, description, input, output) returns a validation error
Unsupported audio format or unreadable body may result in empty transcript
Insufficient USDC balance or payment failure results in HTTP 402 Payment Required
Malformed JSON body returns a 400 error
No alpha keywords present returns an empty array for alpha_keywords_found

Input

Schema · Request body

Field	Type	Description
tags	array	Machine-readable discovery categories for directory search and ranking.
inputrequired	object
titlerequired	string
outputrequired	object
descriptionrequired	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "text": "Buy bitcoin at this level",
    "alpha_keywords_found": [
      {
        "keyword": "buy",
        "char_index": 0
      }
    ]
  }
}

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