x402 census · bykaranteli.com · c5182f675de2 · JSON
GET /api/x402/flow-vpin
unprobed
Order flow toxicity (VPIN) history for BTC, ETH and SOL: 90-day daily VPIN track with closes plus the last 500 volume buckets.
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://bykaranteli.com/api/x402/flow-vpin |
| Method | GET |
| Price | $0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x0db4c96d8b14f431f3bb8ce1a33f07d2c696a62c |
| Seller | bykaranteli.com |
| Catalogs | cdp (row updated 2026-09-22), payai (row updated 2026-08-08) |
| Listed since (lower bound) | 2026-08-08 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-22 |
| CDP quality counters | 13 calls and 9 unique payers in 30 days, last call 2026-09-22 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | ByKaranteli VPIN Flow Toxicity · crypto, orderflow, vpin, data |
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 | 5 |
| Payments | 7 |
| USDC volume | $0.02 |
| Median payment | $0.002 |
| First / last payment | 2026-08-10 / 2026-09-17 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x0db4c96d8b14f431f3bb8ce1a33f07d2c696a62c |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {},
"type": "http"
},
"output": {
"type": "json",
"example": {
"ok": true,
"rows": [
{
"percentile_90d": 62.5,
"symbol": "BTCUSDT",
"vpin": 0.31
}
]
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://bykaranteli.com/api/x402/flow-vpin' -H 'accept: application/json'
The catalog declares GET. 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/c5182f675de2/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c5182f675de2"} 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 · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on bykaranteli.com.