Crypto perpetual-futures snapshot for a symbol in ONE call (Binance USD-M, keyle
Crypto perpetual-futures snapshot for a symbol in ONE call (Binance USD-M, keyless): current funding rate and the next funding time, mark and index price, open interest (contracts and USD), 24h price change/high/low/volume, and the top-trader long/short account ratio. For funding arbitrage, leverage/positioning reads, and a derivatives view an onchain-only feed cannot give. Cached 30s.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
337 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://chain.cyberwarex.com/derivatives
| Category | Market data |
|---|---|
| Provider host | chain.cyberwarex.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 16 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 337 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"symbol": "BTC"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"symbol": {
"description": "Asset ticker (BTC, ETH, SOL...) or a full perp symbol like BTCUSDT.",
"type": "string"
}
},
"required": [
"symbol"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"funding_rate": {
"type": [
"number",
"null"
]
},
"funding_rate_annualized_pct": {
"type": [
"number",
"null"
]
},
"high_24h": {
"type": [
"number",
"null"
]
},
"index_price": {
"type": [
"number",
"null"
]
},
"long_short_ratio": {
"type": [
"number",
"null"
]
},
"low_24h": {
"type": [
"number",
"null"
]
},
"mark_price": {
"type": [
"number",
"null"
]
},
"next_funding_time": {
"type": [
"integer",
"null"
]
},
"open_interest": {
"type": [
"number",
"null"
]
},
"open_interest_usd": {
"type": [
"number",
"null"
]
},
"perp": {
"type": "string"
},
"price_change_24h_pct": {
"type": [
"number",
"null"
]
},
"source": {
"type": "string"
},
"symbol": {
"type": "string"
},
"volume_24h": {
"type": [
"number",
"null"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}