longbridge

Longbridge OpenAPI SDK for Node.js

longbridge provides an easy-to-use interface for invokes Longbridge OpenAPI.

Quickstart

Install Longbridge OpenAPI SDK

npm install longbridge

Setting environment variables(MacOS/Linux)

export LONGBRIDGE_APP_KEY="App Key get from user center"
export LONGBRIDGE_APP_SECRET="App Secret get from user center"
export LONGBRIDGE_ACCESS_TOKEN="Access Token get from user center"

Setting environment variables(Windows)

setx LONGBRIDGE_APP_KEY "App Key get from user center"
setx LONGBRIDGE_APP_SECRET "App Secret get from user center"
setx LONGBRIDGE_ACCESS_TOKEN "Access Token get from user center"

Quote API (Get basic information of securities)

import { Config, QuoteContext } from 'longbridge'

let config = Config.fromEnv()
let ctx = new QuoteContext(config)
await ctx.open()
let resp = await ctx.quote(["700.HK", "AAPL.US", "TSLA.US", "NFLX.US"])
for (let obj of resp) {
    console.log(obj.toString())
}

Quote API (Subscribe quotes)

import { Config, QuoteContext, SubType } from 'longbridge'

let config = Config.fromEnv()
let ctx = new QuoteContext(config, (_, event) => console.log(event.toString()))
await ctx.open()
await ctx.subscribe(["700.HK", "AAPL.US"], [SubType.Quote], true)

Trade API (Submit order)

import { Config, TradeContext, SubmitOrderOptions, OrderType, OrderSide, Decimal, TimeInForceType } from 'longbridge'

let config = Config.fromEnv()
let ctx = new TradeContext(config)
await ctx.open()
let resp = await ctx.submitOrder(
    new SubmitOrderOptions("700.HK", OrderType.LO, OrderSide.Buy, new Decimal("200"), TimeInForceType.Day)
        .price(new Decimal("300"))
)
console.log(resp)

License

Licensed under either of

• Apache License, Version 2.0,(LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) at your option.