Funding rates per venue for one crypto perpetual, or the whole cross-venue set in one call

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x1538726707212F4dB3EB67cEc0910422A310475c",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "include_uncomparable": {
            "description": "Default false. False returns only rows that pass canonical-identity and cross-venue dispersion checks. True adds back the rows those checks reject — useful if you run your own filtering, misleading if you don't: one ticker can name two unrelated assets (SPX is both the S&P index and a meme coin). The response echoes `comparable_only` so you always know which slice you got.",
            "required": false,
            "type": "boolean"
          },
          "limit": {
            "description": "Rows per page. Default 100, max 1000. Unfiltered the set is ~9,000 rows, so paging is how you avoid buying all of it into your context.",
            "maximum": 1000,
            "minimum": 1,
            "required": false,
            "type": "integer"
          },
          "offset": {
            "description": "Row offset for the next page. Default 0. The response carries total/limit/offset/has_more, so you know when to stop.",
            "minimum": 0,
            "required": false,
            "type": "integer"
          },
          "symbol": {
            "description": "Filter by symbol (e.g. BTC-PERP). Omit for all.",
            "required": false,
            "type": "string"
          }
        },
        "type": "http"
      },
      "output": {
        "example": {
          "comparable_only": true,
          "has_more": true,
          "limit": 100,
          "offset": 0,
          "rates": [
            {
              "asset_class": "crypto",
              "canonical_id": "btc-crypto",
              "funding_interval_hours": 8,
              "mark_price": 64421.5,
              "open_interest": 987654,
              "rate": 0.0001,
              "rate_8h": 0.0001,
              "source_id": 29,
              "symbol": "BTC",
              "updated_at": "2026-05-17T19:58:12Z",
              "venue": "binance",
              "volume_24h": 1234567
            },
            {
              "asset_class": "crypto",
              "canonical_id": "btc-crypto",
              "funding_interval_hours": 1,
              "mark_price": 64418,
              "open_interest": 321098,
              "rate": 0.0000125,
              "rate_8h": 0.0001,
              "source_id": 1,
              "symbol": "BTC",
              "updated_at": "2026-05-17T19:58:44Z",
              "venue": "hyperliquid",
              "volume_24h": 456789
            }
          ],
          "symbol": "BTC-PERP",
          "total": 9063
        },
        "type": "json"
      }
    },
    "schema": {
      "$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"
    }
  }
}

curl "https://api.usenami.io/v1/funding/current"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://api.usenami.io/v1/funding/current");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://api.usenami.io/v1/funding/current")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header