Agent Exchange x402 census and directory

x402 census · api.sitecheck-api.workers.dev · b7a2c869ba78 · JSON

POST /api/transcribe

unprobed

Speech-to-text with Whisper large-v3-turbo: send an https audio URL (or base64) up to 25 MB, get the transcript, language and timestamped segments.

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

FieldValue
URLhttps://api.sitecheck-api.workers.dev/api/transcribe
MethodPOST
Price$0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xacA92E438df0B2401fF60dA7E4337B687a2435DA
Sellerapi.sitecheck-api.workers.dev
Catalogspayai (row updated 2026-09-30)
Listed since (lower bound)2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-30
CDP quality countersnot in the CDP catalog
Category (keyword rule)image/video/audio
Templated pathno
x402Version in catalog2
Service name / tagsSiteCheck · speech-to-text, transcription, whisper, audio, stt

Unpaid probe (census of )

FieldValue
Probenot 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)

FieldValue
Distinct payers1
Payments9
USDC volume$0.09
Median payment$0.01
First / last payment2026-09-29 / 2026-09-29
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xacA92E438df0B2401fF60dA7E4337B687a2435DA

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "url": "https://example.com/audio.mp3"
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
 },
 "output": {
  "type": "json",
  "example": {
   "text": "Hello and welcome...",
   "model": "@cf/openai/whisper-large-v3-turbo",
   "duration": 42.1,
   "language": "en",
   "segments": [
    {
     "end": 3.2,
     "text": "Hello and welcome",
     "start": 0
    }
   ]
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://api.sitecheck-api.workers.dev/api/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/b7a2c869ba78/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"b7a2c869ba78"} 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: PayAI listing status · this record as JSON · all resources on api.sitecheck-api.workers.dev.