api.x402node.dev
Open-interest and volume history for a coin over a chosen period, with the latest value and percentage change across the window. Built from OKX aggregated contract data to show whether positioning is building or unwinding. Live time series for trend and squeeze analysis. open interest history, OI trend, derivatives positioning Accepts payment on Base or Solana — either network works.
Offering
- Provider
- api.x402node.dev
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- General Utilities
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://api.x402node.dev/market/oi-history- MIME type
- application/json
- First seen
- 2026-10-16T02:09:24.457Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.01 USDC
Atomic price: 10000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"payTo": "0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "10000",
"payTo": "9urRvUx69HqAopg1JGV9P9wR7JdKoztzdkuNyJ8Eo1up"
}
]Observed health
- Status
- Healthy
- Latest latency
- 178 ms
- Average latency
- 332 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 10 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"symbol": {
"type": "string",
"description": "coin symbol e.g. BTC (default BTC)"
},
"period": {
"type": "string",
"description": "5m/1H/1D (default 1D)"
}
}
}
},
"required": [
"type",
"method"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"input": {
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"symbol": {
"type": "string",
"description": "coin symbol e.g. BTC (default BTC)"
},
"period": {
"type": "string",
"description": "5m/1H/1D (default 1D)"
}
}
}
},
"required": [
"type",
"method"
],
"additionalProperties": false
}
},
"required": [
"input"
]
}