x402 census · flat-rate-llm.kikoribera03.workers.dev · dfdbb2f8a6f5 · JSON
POST /v1/ai/transcribe
unprobed
Transcribes an audio file with Whisper large v3 turbo: pass an https URL (mp3, wav, flac, m4a, ogg, up to 10 MB) or base64 audio in a POST. Returns the text, the detected language with its probability, the duration, and timed segments; add words=true for word-level timestamps. Around 100 languages. You are only charged if the transcript is delivered. No API key, no account.
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe |
| Method | POST |
| Price | $0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts eip155:137, eip155:42161 |
| payTo | 0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff |
| Seller | flat-rate-llm.kikoribera03.workers.dev |
| Catalogs | cdp (row updated 2026-09-29) |
| Listed since (lower bound) | 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-29 |
| CDP quality counters | 4 calls and 2 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain) |
| Category (keyword rule) | inference/llm |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | · speech to text, transcription, whisper, audio transcription, stt |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 1 |
| USDC volume | $0.005 |
| Median payment | $0.005 |
| First / last payment | 2026-09-30 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xc210Ea7D5692a6401ADf25BbCB7aCDe9cDB7e9Ff |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"url": "https://flat-rate-llm.kikoribera03.workers.dev/m/muestra-voz.wav"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"durationSeconds": 3.27,
"language": "en",
"languageProbability": 1,
"model": "@cf/openai/whisper-large-v3-turbo",
"segments": [
{
"end": 2.8,
"start": 0,
"text": "Hello from the Flat Rate Gateway, this is a short test."
}
],
"text": "Hello from the Flat Rate Gateway, this is a short test."
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://flat-rate-llm.kikoribera03.workers.dev/v1/ai/transcribe' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/dfdbb2f8a6f5/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"dfdbb2f8a6f5"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on flat-rate-llm.kikoribera03.workers.dev.