x402 census · api.neurodynamic.tech · e0442e2d4ba3 · JSON
POST /v1/audio/transcriptions
unprobed
Introductory pricing. NeuroDynamic speech-to-text transcription: convert a voice note or short audio recording into a JSON transcript. Up to 60 seconds and 12 MiB; WAV, MP3, FLAC or Ogg. No account needed. Read https://api.neurodynamic.tech/docs for inputs, privacy and payment recovery. 0.01 USDC on Base.
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://api.neurodynamic.tech/v1/audio/transcriptions |
| Method | POST |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xa369aC3412360206DB63507b190E691c0C5B9F3e |
| Seller | api.neurodynamic.tech |
| Catalogs | cdp (row updated 2026-09-12) |
| Listed since (lower bound) | 2026-09-12 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-12 |
| CDP quality counters | 6 calls and 2 unique payers in 30 days, last call 2026-09-12 (catalog-reported, not verified on chain) |
| Category (keyword rule) | image/video/audio |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
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 | 3 |
| Payments | 3 |
| USDC volume | $0.01 |
| Median payment | $0.005 |
| First / last payment | 2026-09-14 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xa369aC3412360206DB63507b190E691c0C5B9F3e |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"file": "<binary WAV audio>",
"model": "whisper-1"
},
"bodyType": "form-data",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"duration_seconds": 4,
"text": "Example transcript."
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.neurodynamic.tech/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/e0442e2d4ba3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e0442e2d4ba3"} 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 api.neurodynamic.tech.