应用与 AI 智能体的身份验证

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

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

# /v1/limits requires the key but is never counted against the quota.
curl -H "X-API-KEY: $BYTNODE_API_KEY" https://api.bytnode.com/v1/limits

# /v1/status and /v1/symbols require the key and count as one request
# of the price & volume family, like any other call.
curl -H "X-API-KEY: $BYTNODE_API_KEY" https://api.bytnode.com/v1/status
curl -H "X-API-KEY: $BYTNODE_API_KEY" https://api.bytnode.com/v1/symbols

import asyncio
import json
import os

import websockets  # pip install websockets


async def main() -> None:
    # From a server, the key goes in the X-API-KEY header of the handshake:
    # the connection opens already authenticated. A missing or invalid key gets
    # 401 before it opens (a plan without the stream: 403).
    headers = {"X-API-KEY": os.environ["BYTNODE_API_KEY"]}
    async with websockets.connect("wss://api.bytnode.com/ws", additional_headers=headers) as ws:
        await ws.send(json.dumps({
            "op": "subscribe",
            "channels": ["trades.futures.BTCUSDT"],
        }))
        print(await ws.recv())   # {"op": "subscribed", "channels": [...]}


asyncio.run(main())

# On YOUR server (the key stays there): issue a token for the browser.
curl -X POST -H "X-API-KEY: $BYTNODE_API_KEY" https://api.bytnode.com/v1/ws/token
# {"status":"ok", …, "data_type":"ws_token","data":{"token":"wst_…",
#  "expires_at":"…","expires_in_s":60,"url":"wss://api.bytnode.com/ws?token=wst_…"}}

import asyncio
import os

from fastmcp import Client  # pip install fastmcp
from fastmcp.client.transports import StreamableHttpTransport


async def main() -> None:
    transport = StreamableHttpTransport(
        "https://api.bytnode.com/mcp", headers={"X-API-KEY": os.environ["BYTNODE_API_KEY"]}
    )
    async with Client(transport) as client:
        info = await client.call_tool("get_system_info", {})
        print(info)


asyncio.run(main())