Open interest for one perpetual in coins and USD notional with its share of the
Open interest for one perpetual in coins and USD notional with its share of the venue total, or the top N contracts ranked by open interest plus the venue total. Use it when an agent needs positioning size for a market or a leaderboard of where leverage is concentrated right now.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
938 msmedian answer time
$0.001listed price per call
$0.001price 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
POST https://agent402.tools/api/perp-open-interest
| Category | Market data |
|---|---|
| Provider host | agent402.tools |
| Networks | algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:43114, eip155:4663, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, stellar:pubnet |
| Payment schemes | exact, upto |
| Self-reported calls, 30 days | 4 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 938 ms |
Example input (from the provider)
{
"body": {
"limit": 10
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"coin": {
"description": "Optional perp ticker for a single market (e.g. BTC).",
"type": "string"
},
"limit": {
"description": "Rows when ranking (default 20, max 500).",
"type": "number"
}
},
"required": []
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"fetchedAt": {
"type": "string"
},
"markets": {
"items": {
"properties": {
"coin": {
"type": "string"
},
"markPx": {
"type": "integer"
},
"openInterest": {
"type": "number"
},
"openInterestUsd": {
"type": "integer"
},
"shareOfTotalPct": {
"type": "number"
},
"volume24hUsd": {
"type": "number"
}
},
"type": "object"
},
"type": "array"
},
"source": {
"type": "string"
},
"totalOpenInterestUsd": {
"type": "integer"
}
},
"required": [
"source",
"totalOpenInterestUsd",
"markets",
"fetchedAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}