美股即時行情 API

# pip install websocket-client
import websocket
import json

api_key = 'your_api_key_here'
ws_url = f'wss://api.tickdb.ai/v1/realtime?api_key={api_key}'

def on_open(ws):
    ws.send(json.dumps({
        'cmd': 'subscribe',
        'data': {
            'channel': 'ticker',
            'symbols': ['AAPL.US', 'TSLA.US', 'MSFT.US']
        }
    }))

def on_message(ws, message):
    data = json.loads(message)
    print('Received:', data)

ws = websocket.WebSocketApp(ws_url, on_open=on_open, on_message=on_message)
ws.run_forever()

// npm install ws
const WebSocket = require('ws');

const apiKey = 'your_api_key_here';
const ws = new WebSocket(`wss://api.tickdb.ai/v1/realtime?api_key=${apiKey}`);

ws.on('open', () => {
    ws.send(JSON.stringify({
        cmd: 'subscribe',
        data: {
            channel: 'ticker',
            symbols: ['AAPL.US', 'TSLA.US', 'MSFT.US']
        }
    }));
});

ws.on('message', (data) => {
    const message = JSON.parse(data);
    console.log('Received:', message);
});

const apiKey = 'your_api_key_here';
const ws = new WebSocket(`wss://api.tickdb.ai/v1/realtime?api_key=${apiKey}`);

ws.onopen = () => {
    ws.send(JSON.stringify({
        cmd: 'subscribe',
        data: {
            channel: 'ticker',
            symbols: ['AAPL.US', 'TSLA.US', 'MSFT.US']
        }
    }));
};

ws.onmessage = (event) => {
    const message = JSON.parse(event.data);
    console.log('Received:', message);
};

import org.java_websocket.client.WebSocketClient;
import com.google.gson.Gson;
import java.net.URI;
import java.util.*;

public class TickDBClient extends WebSocketClient {
    private Gson gson = new Gson();

    public TickDBClient(String apiKey) throws Exception {
        super(new URI("wss://api.tickdb.ai/v1/realtime?api_key=" + apiKey));
    }

    @Override
    public void onOpen(ServerHandshake handshake) {
        Map<String, Object> msg = new HashMap<>();
        msg.put("cmd", "subscribe");
        Map<String, Object> data = new HashMap<>();
        data.put("channel", "ticker");
        data.put("symbols", Arrays.asList("AAPL.US", "TSLA.US", "MSFT.US"));
        msg.put("data", data);
        send(gson.toJson(msg));
    }

    @Override
    public void onMessage(String message) {
        System.out.println("Received: " + message);
    }
}

// go get github.com/gorilla/websocket
package main

import (
    "encoding/json"
    "fmt"
    "log"
    "net/url"
    "github.com/gorilla/websocket"
)

func main() {
    apiKey := "your_api_key_here"
    u := url.URL{Scheme: "wss", Host: "api.tickdb.ai", Path: "/v1/realtime", RawQuery: "api_key=" + apiKey}
    c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
    if err != nil {
        log.Fatal("dial:", err)
    }
    defer c.Close()

    msg := map[string]interface{}{
        "cmd": "subscribe",
        "data": map[string]interface{}{
            "channel": "ticker",
            "symbols": []string{"AAPL.US", "TSLA.US", "MSFT.US"},
        },
    }
    c.WriteJSON(msg)

    for {
        var resp map[string]interface{}
        c.ReadJSON(&resp)
        fmt.Printf("Received: %v\n", resp)
    }
}

// tokio-tungstenite, tokio, serde_json, futures-util
use tokio_tungstenite::{connect_async, tungstenite::protocol::Message};
use serde_json::json;
use futures_util::{SinkExt, StreamExt};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let api_key = "your_api_key_here";
    let url = format!("wss://api.tickdb.ai/v1/realtime?api_key={}", api_key);
    let (ws_stream, _) = connect_async(&url).await?;
    let (mut write, mut read) = ws_stream.split();

    let subscribe_msg = json!({
        "cmd": "subscribe",
        "data": {
            "channel": "ticker",
            "symbols": ["AAPL.US", "TSLA.US", "MSFT.US"]
        }
    });
    write.send(Message::Text(subscribe_msg.to_string())).await?;

    while let Some(message) = read.next().await {
        if let Ok(Message::Text(text)) = message {
            println!("Received: {}", text);
        }
    }
    Ok(())
}