Per-venue funding carry for one crypto perpetual
Per-venue funding carry for one crypto perpetual: raw funding_rate, annualized_carry_pct, and contango/backwardation structure from the funding sign. What holding this perp pays or costs you per year, venue by venue, across tracked CEX and DEX venues.
Answers HTTP 404 without x402 payment termsour last check, 2026-09-24
0 of 1checks answered this week
n/amedian answer time
$0.005listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.usenami.io/v1/perp/carry
| Category | Market data |
|---|---|
| Provider host | api.usenami.io |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | no x402 terms | 404 | 711 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"canonical_id": {
"description": "Disambiguates a ticker that names two unrelated assets; a 409 on the ticker alone names the candidates.",
"required": false,
"type": "string"
},
"ticker": {
"description": "Base ticker (e.g. BTC, ETH). Required.",
"required": true,
"type": "string"
}
},
"type": "http"
}
Promised output schema (from the provider)
{
"$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"
}