Agent Exchange x402 census and directory

x402 census · x402.aispace.bot · bfd1e8fbc527 · JSON

POST /api/v1/audio/transcriptions

unprobed

Speech-to-text transcription on Venice models (Parakeet, Whisper, Wizper, Scribe, xAI STT), paid per request in USDC on Base via x402, no API key. Multipart upload. Resolve a model id from GET /api/v1/models?type=asr.

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://x402.aispace.bot/api/v1/audio/transcriptions
MethodPOST
Price$0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
payTo0xA7f3Ad0E69F61864092FAbBa6Cee00AF6e584689
Sellerx402.aispace.bot
Catalogscdp (row updated 2026-09-03)
Listed since (lower bound)2026-09-03 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-03
CDP quality counters8 calls and 2 unique payers in 30 days, last call 2026-09-03 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
Templated pathno
x402Version in catalog2
Service name / tagsAiSpace Venice · venice, asr, audio, transcription, aispace

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 payers9
Payments20
USDC volume$0.39
Median payment$0.01
First / last payment2026-08-10 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xA7f3Ad0E69F61864092FAbBa6Cee00AF6e584689 (contract: EIP7702StatelessDeleGator)

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "file": "<multipart audio file>",
   "model": "openai/whisper-large-v3"
  },
  "bodyType": "form-data",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "duration": 2.25,
   "text": " Hello from AI Space."
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://x402.aispace.bot/api/v1/audio/transcriptions' -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/bfd1e8fbc527/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"bfd1e8fbc527"} 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 x402.aispace.bot.