认证

curl -H "X-API-KEY: $BYTNODE_KEY" \
  "https://api.bytnode.com/v1/basis?symbol=ETHUSDT"

# The only route that answers without a key.
curl https://api.bytnode.com/v1/health

# The next two require the key. /v1/status is a probe: never counted
# against the monthly quota, but subject to the rate limit of the plan.
curl -H "X-API-KEY: $BYTNODE_KEY" https://api.bytnode.com/v1/status
curl -H "X-API-KEY: $BYTNODE_KEY" https://api.bytnode.com/v1/symbols

import asyncio
import json
import os

import websockets


async def main() -> None:
    # The key travels in the URL, at the handshake: the connection opens
    # already authenticated. A missing or invalid key gets 403 before it opens.
    url = f"wss://api.bytnode.com/ws?api_key={os.environ['BYTNODE_KEY']}"
    async with websockets.connect(url) as ws:
        await ws.send(json.dumps({
            "op": "subscribe",
            "channels": ["trades.futures.BTCUSDT"],
        }))
        print(await ws.recv())   # {"op": "subscribed", "channels": [...]}


asyncio.run(main())

from fastmcp import Client

headers = {"X-API-KEY": "your_key"}

async with Client("https://mcp.bytnode.com", headers=headers) as client:
    info = await client.call_tool("get_system_info", {})