x402 census · api.hyperextend.xyz · 6d2e8150595c · JSON
GET /v1/asset_ctx/BTC/latest
unprobed
The most-recent N open-interest / funding / ctx rows (≤5000). Priced per row ($0.000025 premium); served live (no lag).
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.hyperextend.xyz/v1/asset_ctx/BTC/latest |
| Method | GET |
| Price | $0.0033 USDC = 3300 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts hyperliquid:mainnet |
| payTo | 0x548fC289526ab2F0391D562a723cdA64Bbf1abc4 |
| Seller | api.hyperextend.xyz |
| Catalogs | cdp (row updated 2026-09-24) |
| Listed since (lower bound) | 2026-09-24 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-24 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | hyperextend · hyperliquid, market-data, candles, open-interest, hip-3 |
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 | 14 |
| Payments | 38 |
| USDC volume | $0.33 |
| Median payment | $0.0019 |
| First / last payment | 2026-05-31 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x548fC289526ab2F0391D562a723cdA64Bbf1abc4 (contract: CoinbaseSmartWallet) |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"dex": "main",
"n": 100
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"coin": "BTC",
"day_base_vlm": "23456.7",
"day_ntl_vlm": "987654321.0",
"dex": "main",
"funding": "0.0000125",
"impact_ask_px": "42080.0",
"impact_bid_px": "42079.0",
"mark_px": "42080.0",
"mid_px": "42079.5",
"minute_ts": 1700000000,
"open_interest": "12345.6",
"oracle_px": "42010.0",
"premium": "0.0001",
"prev_day_px": "41000.0",
"sample_ts": 1700000005,
"source": "ws"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://api.hyperextend.xyz/v1/asset_ctx/BTC/latest' -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/6d2e8150595c/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6d2e8150595c"} 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.hyperextend.xyz.