Open interest per venue for one crypto perpetual, with mark_price alongside — po
Open interest per venue for one crypto perpetual, with mark_price alongside — positioning and crowding across tracked CEX and DEX perp venues. Raw value: units vary per venue, see units_note in the response.
Answers HTTP 404 without x402 payment termsour last check, 2026-09-24
0 of 1checks answered this week
n/amedian answer time
$0.001listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.usenami.io/v1/perp/open-interest
| Category | Market data |
|---|---|
| Provider host | api.usenami.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | no x402 terms | 404 | 725 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"canonical_id": {
"description": "Disambiguates a ticker that names two unrelated assets; a 409 on the ticker alone names the candidates. The response echoes the resolved `canonical_id`, so you always know which asset you were answered about.",
"required": false,
"type": "string"
},
"ticker": {
"description": "Base ticker (e.g. BTC, ETH). Required.",
"required": true,
"type": "string"
},
"venue": {
"description": "Venue name (e.g. binance, hyperliquid). Required.",
"required": true,
"type": "string"
}
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"type": "string"
},
"type": {
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}