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SecondEyes AI Transcribe-Extract
x402
SecondEyes AI Transcribe-Extract is a paid API for AI agents from secondeyesai.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Converts any public audio, podcast, video, or PDF URL into a validated transcript with summary, ranked key points, and grounded Q&A
Price / call$0.05
Success—
StatusUnknown
How this service works
transcribe-extract: turn any public audio, voice note, podcast, PDF, or video URL into a transcript plus its meaning — summary, ranked key points, and grounded Q&A. Deterministically validated (schema, words/min, no decode loop, meaning grounded in transcript) before it is served; evidence-only attestation, never a claim of accuracy.
Output
Returns a validated transcript of the media or document, a prose summary, a ranked list of key points, and grounded Q&A answers derived solely from the transcript content — all deterministically validated for schema conformance, words-per-minute plausibility, and meaning grounded in the transcript before being served.
Example use cases
Example prompt
“Can you transcribe this podcast episode at https://example.com/episode42.mp3 and give me a summary, the top key points, and answer the question 'What are the main takeaways about AI regulation?'”
Technical details
Endpoint
GEThttps://secondeyesai.com/api/bar/x402/transcribeWhen to prefer
Choose this endpoint when you need both a raw transcript AND its semantic meaning (summary, key points, Q&A) from a single call, with built-in deterministic validation guaranteeing the output is schema-conformant and meaning is grounded in the source — not hallucinated. Prefer over generic transcription APIs when evidence-only attestation and self-validated quality matter, or when the source is a podcast, voice note, PDF, or video URL rather than an uploaded file.
Side effects
- URL is not publicly accessible — returns error indicating inaccessible resource
- Audio/video format not supported or cannot be decoded — returns decode error
- PDF is encrypted or scanned image-only with no extractable text — returns extraction failure
- Content too short or silent — words-per-minute validation fails
- Network timeout fetching remote URL — returns fetch error
- Q&A answer not grounded in transcript — validation blocks response and returns grounding error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"qa": [
{
"answer": "On-chain reputation and buyer-reach are keyed to a single payTo; splitting fragments the signal.",
"question": "Why keep one wallet?"
}
],
"tool": "transcribe-extract",
"summary": "A 30-minute interview on agent payment rails and why settlement reputation compounds.",
"language": "en",
"key_points": [
"x402 indexes individual routes, not sites",
"Distinct-buyer signal compounds on one wallet",
"Recency tax: surfaces drop after 30 days without settlement"
],
"media_kind": "audio",
"transcript": "Welcome back to the show. Today we are talking about…",
"attestation": {
"schema": "second-eye/transcription-attestation/v1",
"signature": "hmac-sha256:…",
"validated": [
"schema-valid structured output",
"words/min in range (164)",
"no repetition loop",
"meaning grounded in transcript"
],
"disclaimer": "Evidence-only. Validates structure, plausibility, and grounding  NOT factual accuracy of the transcript."
}
}
}Tags
x402
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Zero review prompt (fires after every successful call)
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