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Resource / 315
healthyKronos Crypto Data & Forecasts.
Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability label. All 16 assets. $0.02 USDC via x402.
Payment requirements / accepts[]
1 options
| State | Network | Scheme | Atomic amount | Asset | payTo / untrusted |
|---|---|---|---|---|---|
| active | eip155:8453 | exact | 20000 | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 | 0x36038e1d712c5e39f35952164ec58ec2b96caee7 |
All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.
Probe evidence
1 recent
healthy 2026-08-12 22:05:09 UTC GET · HTTP 402 · 60ms · accepts 1 · base 1 ok
Accepts snapshot
[
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetTransferMethod": null,
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
"paymentFlow": null,
"raw": {
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"max_timeout_seconds": 300,
"network": "eip155:8453",
"payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
"pay_to": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
"scheme": "exact"
},
"scheme": "exact"
}
]
PaymentRequired raw
{
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
"scheme": "exact"
}
],
"error": "Payment required",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"actionability": "not_actionable",
"annualized_pct": -175.2,
"as_of": "2026-07-02T10:00:00.000Z",
"asset": "BTC-USD",
"best_long_rate8h": -0.0001,
"best_long_venue": "hyperliquid",
"best_short_rate8h": 0.0003,
"best_short_venue": "binance",
"cache_ttl_sec": null,
"caveats": [
"Computed facts, not a profit forecast.",
"Funding can flip direction at any time.",
"Execution/slippage/borrow/margin costs not fully modeled.",
"20 bps fee estimate assumes taker fills on both legs at open and close."
],
"dispersion": {
"max_min_spread": 0.0004,
"stdev": 1.38e-4,
"venues_reporting": 6
},
"gross_spread_bps": 4,
"inputs": {
"best_long_rate8h": -0.0001,
"best_short_rate8h": 0.0003,
"venues_count": 6,
"venues_queried": 6
},
"methodology": "gross_spread_bps = (best_short_rate8h - best_long_rate8h) * 10000. net_spread_bps = gross_spread_bps - 20 (ROUND_TRIP_FEE_BPS). annualized_pct = net per-8h fraction * 3 * 365 * 100.",
"net_spread_bps": -16,
"oi_weighted_avg_8h": 2.6e-4,
"per_venue": {
"binance": {
"funding_interval_hours": 8,
"oi": 85000,
"rate8h": 0.0003
},
"bitget": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.4e-4
},
"bybit": {
"funding_interval_hours": 8,
"oi": 30000,
"rate8h": 2.8e-4
},
"hyperliquid": {
"funding_interval_hours": 1,
"oi": 12000,
"rate8h": -0.0001
},
"kucoin": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.2e-4
},
"okx": {
"funding_interval_hours": 8,
"oi": 40000,
"rate8h": 2.5e-4
}
},
"short": "BTC",
"simple_avg_8h": 2.3e-4,
"spread_8h_normalized": 0.0004,
"venues_count": 6
},
"type": "json"
}
},
"routeTemplate": ":var1",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"resource": {
"description": "Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability label. All 16 assets. $0.02 USDC via x402.",
"mimeType": "application/json",
"serviceName": "Kronos Crypto Data & Forecasts",
"tags": [
"funding-arb",
"funding-rate",
"cross-venue",
"arbitrage",
"derivatives",
"crypto",
"multi-venue",
"ai-agents",
"x402"
],
"url": "https://kronossignals.com/api/v1/funding-arb/btc"
},
"x402Version": 2
}
Response headers
{
"age": "0",
"cache-control": "public, max-age=0, must-revalidate",
"content-type": "application/json",
"date": "Wed, 12 Aug 2026 22:05:09 GMT",
"payment-required": "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",
"server": "Vercel",
"strict-transport-security": "max-age=63072000",
"transfer-encoding": "chunked",
"x-matched-path": "/api/v1/funding-arb/[asset]",
"x-vercel-cache": "MISS",
"x-vercel-id": "iad1::iad1::4xq9s-1786572309930-ced1d3b26bd9"
}
Response body
{
"accepts": [
{
"amount": "20000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x36038e1d712c5e39f35952164ec58ec2b96caee7",
"scheme": "exact"
}
],
"error": "Payment required",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"pathParams": {},
"queryParams": {},
"type": "http"
},
"output": {
"example": {
"actionability": "not_actionable",
"annualized_pct": -175.2,
"as_of": "2026-07-02T10:00:00.000Z",
"asset": "BTC-USD",
"best_long_rate8h": -0.0001,
"best_long_venue": "hyperliquid",
"best_short_rate8h": 0.0003,
"best_short_venue": "binance",
"cache_ttl_sec": null,
"caveats": [
"Computed facts, not a profit forecast.",
"Funding can flip direction at any time.",
"Execution/slippage/borrow/margin costs not fully modeled.",
"20 bps fee estimate assumes taker fills on both legs at open and close."
],
"dispersion": {
"max_min_spread": 0.0004,
"stdev": 1.38e-4,
"venues_reporting": 6
},
"gross_spread_bps": 4,
"inputs": {
"best_long_rate8h": -0.0001,
"best_short_rate8h": 0.0003,
"venues_count": 6,
"venues_queried": 6
},
"methodology": "gross_spread_bps = (best_short_rate8h - best_long_rate8h) * 10000. net_spread_bps = gross_spread_bps - 20 (ROUND_TRIP_FEE_BPS). annualized_pct = net per-8h fraction * 3 * 365 * 100.",
"net_spread_bps": -16,
"oi_weighted_avg_8h": 2.6e-4,
"per_venue": {
"binance": {
"funding_interval_hours": 8,
"oi": 85000,
"rate8h": 0.0003
},
"bitget": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.4e-4
},
"bybit": {
"funding_interval_hours": 8,
"oi": 30000,
"rate8h": 2.8e-4
},
"hyperliquid": {
"funding_interval_hours": 1,
"oi": 12000,
"rate8h": -0.0001
},
"kucoin": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.2e-4
},
"okx": {
"funding_interval_hours": 8,
"oi": 40000,
"rate8h": 2.5e-4
}
},
"short": "BTC",
"simple_avg_8h": 2.3e-4,
"spread_8h_normalized": 0.0004,
"venues_count": 6
},
"type": "json"
}
},
"routeTemplate": ":var1",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"resource": {
"description": "Cross-venue funding arbitrage signal from real-time 8h-equivalent funding rates on Binance, OKX, Bybit, KuCoin, Bitget and Hyperliquid. Returns the gross and net-of-fees spread between the best short venue and best long venue (gross_spread_bps, net_spread_bps after a 20 bps round-trip fee estimate), spread_8h_normalized, venues_count, per-venue rates with funding_interval_hours, annualized_pct, and an actionability label. All 16 assets. $0.02 USDC via x402.",
"mimeType": "application/json",
"serviceName": "Kronos Crypto Data & Forecasts",
"tags": [
"funding-arb",
"funding-rate",
"cross-venue",
"arbitrage",
"derivatives",
"crypto",
"multi-venue",
"ai-agents",
"x402"
],
"url": "https://kronossignals.com/api/v1/funding-arb/btc"
},
"x402Version": 2
}
Request headers
{
"accept": "*/*",
"user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}
Machine contract
Schemas.
InputJSON
{
"method": "GET",
"pathParams": {},
"queryParams": {},
"type": "http"
}
OutputJSON
{
"example": {
"actionability": "not_actionable",
"annualized_pct": -175.2,
"as_of": "2026-07-02T10:00:00.000Z",
"asset": "BTC-USD",
"best_long_rate8h": -0.0001,
"best_long_venue": "hyperliquid",
"best_short_rate8h": 0.0003,
"best_short_venue": "binance",
"cache_ttl_sec": null,
"caveats": [
"Computed facts, not a profit forecast.",
"Funding can flip direction at any time.",
"Execution/slippage/borrow/margin costs not fully modeled.",
"20 bps fee estimate assumes taker fills on both legs at open and close."
],
"dispersion": {
"max_min_spread": 0.0004,
"stdev": 1.38e-4,
"venues_reporting": 6
},
"gross_spread_bps": 4,
"inputs": {
"best_long_rate8h": -0.0001,
"best_short_rate8h": 0.0003,
"venues_count": 6,
"venues_queried": 6
},
"methodology": "gross_spread_bps = (best_short_rate8h - best_long_rate8h) * 10000. net_spread_bps = gross_spread_bps - 20 (ROUND_TRIP_FEE_BPS). annualized_pct = net per-8h fraction * 3 * 365 * 100.",
"net_spread_bps": -16,
"oi_weighted_avg_8h": 2.6e-4,
"per_venue": {
"binance": {
"funding_interval_hours": 8,
"oi": 85000,
"rate8h": 0.0003
},
"bitget": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.4e-4
},
"bybit": {
"funding_interval_hours": 8,
"oi": 30000,
"rate8h": 2.8e-4
},
"hyperliquid": {
"funding_interval_hours": 1,
"oi": 12000,
"rate8h": -0.0001
},
"kucoin": {
"funding_interval_hours": 8,
"oi": null,
"rate8h": 2.2e-4
},
"okx": {
"funding_interval_hours": 8,
"oi": 40000,
"rate8h": 2.5e-4
}
},
"short": "BTC",
"simple_avg_8h": 2.3e-4,
"spread_8h_normalized": 0.0004,
"venues_count": 6
},
"type": "json"
}