ToolAssay

Reads the public perpetual data of Binance USDⓈ-M Futures, Bybit linear and OKX

Reads the public perpetual data of Binance USDⓈ-M Futures, Bybit linear and OKX swaps for one BASE/QUOTE pair. Settlement intervals differ per exchange and per contract, so annualized_pct is only computed after normalising to the interval that exchange actually uses, and the formula is part of the answer. current_rate and predicted_rate are strictly separate: where an exchange publishes no forecast, predicted_rate stays null and the reason is named instead of reusing the current rate. next_settl

Not tested: has real-world effectsour last check, 2026-09-24
0 of 0checks answered this week
n/amedian answer time
$0.002listed 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

POST https://markt.halowerk.com/funding

CategoryEverything else
Provider hostmarkt.halowerk.com
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

We never call tools that send, buy, move money or file anything, not even without paying.

Example input (from the provider)

{
  "body": {
    "symbol": "BTC/USDT"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "additionalProperties": false,
          "properties": {
            "symbol": {
              "description": "Perpetual as BASE/QUOTE, for example BTC/USDT. Most perpetuals are quoted in USDT.",
              "pattern": "^[A-Za-z0-9]{2,15}/[A-Za-z0-9]{2,15}$",
              "type": "string"
            },
            "venues": {
              "description": "Perpetual venues to query. Without it all connected ones are used.",
              "items": {
                "enum": [
                  "binance-futures",
                  "bybit",
                  "okx"
                ],
                "type": "string"
              },
              "maxItems": 3,
              "minItems": 1,
              "type": "array",
              "uniqueItems": true
            }
          },
          "required": [
            "symbol"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

This page as JSON