← The evidence ledger
Evidence row 1993
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:cryptofeed402-site
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0ffe474b08c1bbfdc30d513a61111f1057d23d4d2a92e93dc8078605899c5798
- Leaf
- 0x77be1d7eb1f5c2520cc9f7eedc5b622480cd6c4f93c364636c6987717d517497
What was observed
{
"endpoints": [
[
"x402",
"https://cryptofeed402.site/audit/agent-ready"
],
[
"x402",
"https://cryptofeed402.site/brief/latest"
],
[
"x402",
"https://cryptofeed402.site/candles/:symbol"
],
[
"x402",
"https://cryptofeed402.site/funding/extreme"
],
[
"x402",
"https://cryptofeed402.site/funding/history/:symbol"
],
[
"x402",
"https://cryptofeed402.site/history"
],
[
"x402",
"https://cryptofeed402.site/oi/history/:symbol"
],
[
"x402",
"https://cryptofeed402.site/outlook/:symbol"
],
[
"x402",
"https://cryptofeed402.site/perps/:symbol"
],
[
"x402",
"https://cryptofeed402.site/price/:symbol"
],
[
"x402",
"https://cryptofeed402.site/sentiment/:symbol"
],
[
"x402",
"https://cryptofeed402.site/spot/:symbol"
]
],
"name": "cryptofeed402.site",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "cryptofeed402.site",
"endpoints": [
{
"description": "Agent-readiness audit for a public website or x402 API: checks llms.txt, robots.txt AI-crawler rules, sitemap, OpenAPI, /.well-known/x402, agent card, an MCP initialize probe, a live unpaid 402 challenge (accepts, network, payTo, Bazaar metadata) and listings on Roundhouse, 402 Index and x402 Doctor. Returns a 0-100 score, pass/warn/fail per check with evidence and a concrete fix. Deterministic, no LLM. Free example at /audit/sample. $0.05 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "https://cryptofeed402.site",
"group": "query",
"name": "url",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.05",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [
"agent-readiness",
"x402",
"llms-txt",
"mcp",
"developer-tools"
],
"url": "https://cryptofeed402.site/audit/agent-ready"
},
{
"description": "LLM-written crypto market brief, published twice daily: analysis, not just raw numbers. Plain-English headline and bottom line, sentiment and Fear & Greed, funding rates and open interest (OKX + Hyperliquid) with crowded-trade flags, extreme funding, watchlist prices and 24h/7d moves, top news, macro economic calendar and token unlocks for the next 7 days. JSON plus markdown. Free preview at /brief/sample. $0.015 USDC per call on Base.",
"method": "GET",
"parameters": [],
"pricing": {
"amount": "0.015",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "cryptofeed402",
"tags": [
"crypto",
"market-brief",
"funding-rates",
"sentiment",
"trading-agents"
],
"url": "https://cryptofeed402.site/brief/latest"
},
{
"description": "OHLCV candles for any Hyperliquid perp (main dex + HIP-3 like xyz:TSLA) or, with venue=okx, any OKX USDT spot pair. Intervals 1m, 3m, 5m, 15m, 30m, 1h, 2h, 4h, 8h, 12h, 1d, 3d, 1w, 1M (OKX: 6h instead of 3d/8h); limit 1-500 (OKX 300), end= for older Hyperliquid candles. Open/high/low/close, volume, trade count, closed flag. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/candles. $0.003 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "1h",
"group": "query",
"name": "interval",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "100",
"group": "query",
"name": "limit",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "cryptofeed402 OHLCV candles",
"tags": [
"ohlcv",
"candles",
"market-data",
"perpetuals",
"hyperliquid"
],
"url": "https://cryptofeed402.site/candles/:symbol"
},
{
"description": "Ranks Hyperliquid perpetuals (over $1M 24h volume) by most extreme funding rate right now: top 10 with annualized funding APR and open interest in USD, plus current funding for a BTC/ETH/SOL/HYPE/NEAR/AAVE watchlist. Use it to spot crowded longs or shorts, squeeze risk and funding-carry candidates. Live data, JSON. $0.0025 USDC per call on Base.",
"method": "GET",
"parameters": [],
"pricing": {
"amount": "0.0025",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "cryptofeed402",
"tags": [
"funding-rates",
"perps",
"hyperliquid",
"crypto",
"trading-agents"
],
"url": "https://cryptofeed402.site/funding/extreme"
},
{
"description": "Hourly funding rate history for one Hyperliquid perp: each settlement's rate (hourly, 8h, annualized) and premium, plus mean/min/max, positive/negative hours and cumulative rate. hours=1-720 (default 168) or from/to, max 720 hours per call; history back to each perp's listing. Bad params 400, unknown symbol 404, no charge. Free sample at /samples/funding-history. $0.005 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "168",
"group": "query",
"name": "hours",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "cryptofeed402 funding history",
"tags": [
"funding-rate",
"historical-data",
"perpetuals",
"backtesting",
"hyperliquid"
],
"url": "https://cryptofeed402.site/funding/history/:symbol"
},
{
"description": "Archive of past cryptofeed402 twice-daily LLM-written market briefs for a date range (from/to as YYYY-MM-DD, up to 366 days): sentiment, funding, open interest, prices, news and macro calendar per edition. Use it for backtesting, building historical context or reviewing how funding and sentiment evolved. JSON. $0.005 USDC per day in range, capped at $0.5 per call, on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-16",
"group": "query",
"name": "from",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-17",
"group": "query",
"name": "to",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "cryptofeed402",
"tags": [
"crypto",
"market-brief",
"historical-data",
"funding-rates",
"backtesting"
],
"url": "https://cryptofeed402.site/history"
},
{
"description": "About-hourly open-interest history for one Hyperliquid main-dex perp (BTC, ETH, SOL, ... any listed coin): open interest in coins and USD, mark price and hourly funding per snapshot, plus change over the window. Hyperliquid has no public OI history, so these are cryptofeed402's own snapshots (8-day retention). hours=1-192, default 24. Bad params 400, unknown symbol 404, no history 503, no charge. Free sample at /samples/oi-history. $0.005 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "24",
"group": "query",
"name": "hours",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [
"open-interest",
"historical-data",
"perpetuals",
"derivatives",
"hyperliquid"
],
"url": "https://cryptofeed402.site/oi/history/:symbol"
},
{
"description": "Pre-trade preflight for one Hyperliquid perp in one call: perp mark vs OKX spot and oracle in bps, funding (hourly/8h/annualized) and its extreme rank, open interest and change vs ~1h/~24h, news sentiment, as_of per component and neutral flags (funding_extreme, oi_spike, venue_divergence, stale_component). Factual checks, no recommendation. Unknown symbol 404, no charge. Free sample at /samples/outlook. $0.01 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [
"pre-trade",
"perpetuals",
"funding-rate",
"open-interest",
"trading-agents"
],
"url": "https://cryptofeed402.site/outlook/:symbol"
},
{
"description": "Perpetual futures funding rate and open interest snapshot for one Hyperliquid perp (any listed coin, e.g. BTC or HIP-3 xyz:TSLA): current hourly funding, 8h and annualized rate, open interest in coins and USD, 24h volume, mark and oracle price, premium, 24h change, and whether it ranks in the top 10 funding extremes. venues[] uses symbol / venue / funding_rate / open_interest_usd plus as_of. Unknown symbols: 404, no charge. JSON. Free sample at /samples/perps. $0.002 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"funding-rate",
"open-interest",
"perpetuals",
"derivatives",
"hyperliquid"
],
"url": "https://cryptofeed402.site/perps/:symbol"
},
{
"description": "Live snapshot for one major coin (BTC, ETH, SOL, HYPE, NEAR, AAVE): Hyperliquid perp mark price, hourly funding rate and annualized funding APR, open interest in coins and USD, 24h volume and premium, plus OKX spot last price and 24h change. Use it when a trading agent needs current price and perp positioning for a single asset before sizing or timing a trade. JSON. $0.0025 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.0025",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "cryptofeed402",
"tags": [
"crypto",
"market-data",
"perps",
"hyperliquid",
"trading-agents"
],
"url": "https://cryptofeed402.site/price/:symbol"
},
{
"description": "Crypto news sentiment for one asset (BTC, ETH, SOL, HYPE, NEAR, AAVE and others; list at /sentiment): a -1..1 score with bearish/neutral/bullish label, counts of positive, negative and neutral headlines in the window, and up to 5 top headlines with source, link and stance. Headlines are labeled by a local LLM; the score is plain arithmetic. Refreshed about every 15 min. Unknown symbol 404, stale data 503, no charge. JSON. Free sample at /samples/sentiment. $0.002 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [
"sentiment",
"crypto-news",
"market-data",
"headlines",
"trading-agents"
],
"url": "https://cryptofeed402.site/sentiment/:symbol"
},
{
"description": "Live spot ticker for any OKX <SYMBOL>-USDT pair (hundreds of coins): last price, best bid/ask and spread in bps, 24h open/high/low and change, UTC-day change, 24h volume in base and USDT, with as_of. Use it for a quick cross-venue spot check of an asset that has no perp. Unknown pair 404, no charge. JSON. Free sample at /samples/spot. $0.002 USDC per call on Base.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BTC",
"group": "path",
"name": "symbol",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "cryptofeed402 spot ticker",
"tags": [
"spot-price",
"market-data",
"okx",
"ticker",
"trading-agents"
],
"url": "https://cryptofeed402.site/spot/:symbol"
}
],
"enriched": false,
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792293388/bazaar-icons/98767f120c2f6858.png",
"id": "cryptofeed402-site",
"integrationType": "",
"isNew": false,
"name": "cryptofeed402.site",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.008667",
"currency": "USDC",
"maxAmount": "0.05",
"minAmount": "0.002"
},
"provider": "cryptofeed402.site",
"providerUrl": "",
"serviceName": "cryptofeed402",
"tags": [
"agent-readiness",
"x402",
"llms-txt",
"mcp",
"developer-tools",
"crypto",
"market-brief",
"funding-rates",
"sentiment",
"trading-agents",
"ohlcv",
"candles",
"market-data",
"perpetuals",
"hyperliquid",
"perps",
"funding-rate",
"historical-data",
"backtesting",
"open-interest",
"derivatives",
"pre-trade",
"crypto-news",
"headlines",
"spot-price",
"okx",
"ticker"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"0ffe474b08c1bbfdc30d513a61111f1057d23d4d2a92e93dc8078605899c5798","id":1993,"kind":"listing","method":"baseline/1","observed_us":1793025259948528,"prev":null,"subject":"agentic_market:cryptofeed402-site","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x77bde8d2664fef749bcd250bfd5db38a01a8cf26a9989f11aaa43cb55cc89634
- 0x5ac7ad99db9a5406e6ab9ac3f7abbe1f4d9ffcd89b0c54926ed5234957b0fe37
- 0x3b6f185b683416eb9d1be1088baa7ef9763e558dac13cc69728fc7a7b76073c2
- 0x5140ed7f291eb5e5439bf50c7894eb2b9c3c877748838d69c0683980a6831d75
- 0x2304f94d75d895e6b6dccc29d67b4d169f9645bc7cc42afa599b046aea1c5f30
- 0x295b6e134697f2ca209d5b7ea1d18fc19c849b47d12440685dfde996424547e0
- 0x55c4a481eee5fed435dd3bc634e3cab9dfa969372c2c3f9bcf342ef77aa0fefd
- 0x134904965976e2f6a83c26aa1c1d76992120a53e09f0491485b654bc952b9ea6
- 0xcb84e3771710c129278c5d2a1c7741dfc1bbd517f6670d498bcc27590ad8c3c9
- 0x316f4d1421d8a02c25f79a2e478b334ffb40a5f5da7cc727bc9c52cd14056752
- 0x8fe7ebf89d10ac2e699de3f80f5dda3e72eef4ae079794ab7d1035929ad723cc
- 0x8fdfac9874f184de58b63efbdab0fc27674958d741146d02f58b04d3c559cabf
- 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
- 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
- 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae