Alpaca-PHP

Alpaca Trade API for PHP

Overview

This is a PHP Client for Alpaca (General Alpaca API Documentation). Alpaca API lets you build and trade with real-time market data for free.

Table of Contents

1. Installation
2. Basic Usage
3. Full Scale Example
4. Methods

Installation

The package can be installed via Composer.

composer require ragingprodigy/alpaca-php

Basic Usage

To use the Library, simply create an instance of the client as shown below:

use RagingProdigy\Alpaca\Client;
use RagingProdigy\Alpaca\Config;

// Paper Trading Client
$client = new Client(new Config('apiKey', 'secretKey'));

// Live Trading Client
$client = new Client(new Config('apiKey', 'secretKey', false));

// Overriding Trading and Data Api URLs
$client = new Client(new Config('apiKey', 'secretKey', true, 'https://trading.url/v2/', 'https://data.url/v1/'));

Under the Hood, the library makes use of the Guzzle Http client library to send HTTP requests. You can also provide a custom ClientInterface as the second argument to the Client constructor in order to further customize the GuzzleHttp Client.

You can then access the available APIs by calling:

$account = $client->getAccount(); // Returns an instance of "Ragingprodigy\Alpaca\Entities\Account"
$orders = $client->getOrders(); // Returns an array of "Ragingprodigy\Alpaca\Entities\Order" instances

Full Scale Example

Here's how you can use the library to print out account information, submit a limit order, and print out bars.

use RagingProdigy\Alpaca\Client;
use RagingProdigy\Alpaca\Config;
use RagingProdigy\Alpaca\Constants\BarTimeFrame;
use RagingProdigy\Alpaca\Constants\DataStream;
use RagingProdigy\Alpaca\Constants\OrderAction;
use RagingProdigy\Alpaca\Constants\OrderType;
use RagingProdigy\Alpaca\Constants\TimeInForce;
use RagingProdigy\Alpaca\Entities\AccountUpdateEvent;
use RagingProdigy\Alpaca\Entities\OrderUpdateEvent;
use RagingProdigy\Alpaca\Entities\UpdateEvent;
use Ratchet\Client\WebSocket;

$alpacaClient = new Client(new Config('api.key', 'secret.key'));

// Listen for Updates
$alpacaClient->connectToStreams([DataStream::ACCOUNT_UPDATES, DataStream::TRADE_UPDATES], static function (WebSocket $webSocket, UpdateEvent $event = null) {
    if ($event instanceof OrderUpdateEvent) {
        echo "Order Update Event Received: $event\n";
    }

    if ($event instanceof AccountUpdateEvent) {
        echo "Account Update Event Received: $event\n";
    }
});

// Get Account Info
$account = $alpacaClient->getAccount();

echo "\nAccount Information: \n";
echo "\tCreated At: {$account->getCreatedAt()}\n";
echo "\tBuying Power: $ {$account->getBuyingPower()}\n";
echo "\tPortfolio Value: $ {$account->getPortfolioValue()}\n\n";

// Get Market Clock
$clock = $alpacaClient->getClock();

echo "Clock: \n";
echo "\tCurrent Time: {$clock->getTimestamp()}\n";
echo "\tMarket Next Open Time: {$clock->getNextOpen()}\n";
echo "\tMarket Next Close Time: {$clock->getNextClose()}\n\n";

// Request Purchase Order
$order = $alpacaClient->requestNewOrder(
    'AAPL',
    5,
    OrderAction::BUY,
    OrderType::MARKET,
    TimeInForce::DAY
);

echo "Market Order Response: \n";
echo "\tSymbol: {$order->getSymbol()}\n";
echo "\tClient Order Id: {$order->getClientOrderId()}\n";
echo "\tQuantity: {$order->getQuantity()}\n";
echo "\tType: {$order->getType()}\n";
echo "\tCreated At: {$order->getCreatedAt()}\n\n";

// Find Order By ID
$marketOrder = $alpacaClient->getOrder($order->getId());

echo "Market Order by ID Response: \n";
echo "\tSymbol: {$marketOrder->getSymbol()}\n";
echo "\tClient Order Id: {$marketOrder->getClientOrderId()}\n";
echo "\tQuantity: {$marketOrder->getQuantity()}\n";
echo "\tType: {$marketOrder->getType()}\n";
echo "\tCreated At: {$marketOrder->getCreatedAt()}\n\n";

// Find Order By Client Order ID
$orderByClientOrderId = $alpacaClient->getOrderByClientOrderId($order->getClientOrderId());

echo "Market Order by ID Response: \n";
echo "\tSymbol: {$orderByClientOrderId->getSymbol()}\n";
echo "\tClient Order Id: {$orderByClientOrderId->getClientOrderId()}\n";
echo "\tQuantity: {$orderByClientOrderId->getQuantity()}\n";
echo "\tType: {$orderByClientOrderId->getType()}\n";
echo "\tCreated At: {$orderByClientOrderId->getCreatedAt()}\n\n";

// Cancel Order
$alpacaClient->cancelOrder($order->getId()); // Would raise an exception if not successful

// Get Bars
$bars = $alpacaClient->getBars(['AMZN'], BarTimeFrame::DAY, 4);

echo "Bars Response: \n";
foreach ($bars as $bar) {
    echo "\t========================\n";
    echo "\tSymbol: {$bar->getSymbol()}\n";
    echo "\tOpen: {$bar->getO()}\n";
    echo "\tHigh: {$bar->getH()}\n";
    echo "\tLow: {$bar->getL()}\n";
    echo "\tClose: {$bar->getC()}\n";
    echo "\tVolume: {$bar->getV()}\n";
}

The output for the code above would be similar to:

Account Information: 
        Created At: 2019-06-26T15:19:01.819453Z
        Buying Power: $ 398861.06
        Portfolio Value: $ 100003.99

Clock: 
        Current Time: 2019-07-01T03:14:37.582893836-04:00
        Market Next Open Time: 2019-07-01T09:30:00-04:00
        Market Next Close Time: 2019-07-01T16:00:00-04:00

Market Order Response: 
        Symbol: AAPL
        Client Order Id: 309626b7-5569-4ae5-bb16-d93930b8b82b
        Quantity: 5
        Type: market
        Created At: 2019-07-01T07:14:39.022538874Z
        
Order Update Event: {"event":"new","order":{"asset_class":"us_equity","asset_id":"b0b6dd9d-8b9b-48a9-ba46-b9d54906e415","canceled_at":null,"client_order_id":"abea2d0b-2340-4034-a50c-b4f09cde1e0b","created_at":"2019-07-01T07:12:16.177026Z","expired_at":null,"failed_at":null,"filled_at":null,"filled_avg_price":null,"filled_qty":"0","id":"b3332b17-b7dc-4a55-9a3c-dfd0c50ecc62","limit_price":null,"order_type":"market","qty":"5","side":"buy","status":"new","stop_price":null,"submitted_at":"2019-07-01T07:12:16.165806Z","symbol":"AAPL","time_in_force":"day","type":"market","updated_at":"2019-07-01T07:12:20.373783079Z"}}

Market Order by ID Response: 
        Symbol: AAPL
        Client Order Id: 309626b7-5569-4ae5-bb16-d93930b8b82b
        Quantity: 5
        Type: market
        Created At: 2019-07-01T07:14:39.022539Z

Market Order by ID Response: 
        Symbol: AAPL
        Client Order Id: 309626b7-5569-4ae5-bb16-d93930b8b82b
        Quantity: 5
        Type: market
        Created At: 2019-07-01T07:14:39.022539Z
        
Order Update Event: {"event":"canceled","order":{"asset_class":"us_equity","asset_id":"b0b6dd9d-8b9b-48a9-ba46-b9d54906e415","canceled_at":"2019-07-01T07:12:20.369944583Z","client_order_id":"abea2d0b-2340-4034-a50c-b4f09cde1e0b","created_at":"2019-07-01T07:12:16.177026Z","expired_at":null,"failed_at":null,"filled_at":null,"filled_avg_price":null,"filled_qty":"0","id":"b3332b17-b7dc-4a55-9a3c-dfd0c50ecc62","limit_price":null,"order_type":"market","qty":"5","side":"buy","status":"canceled","stop_price":null,"submitted_at":"2019-07-01T07:12:16.165806Z","symbol":"AAPL","time_in_force":"day","type":"market","updated_at":"2019-07-01T07:12:20.384272245Z"},"timestamp":"2019-07-01T07:12:20.369944583Z"}

Bars Response: 
        ========================
        Symbol: AAPL
        Open: 198.43
        High: 199.26
        Low: 195.29
        Close: 195.57
        Volume: 18361798
        ========================
        Symbol: AAPL
        Open: 197.83
        High: 200.99
        Low: 197.35
        Close: 199.8
        Volume: 22499633
        ========================
        Symbol: AAPL
        Open: 200.29
        High: 201.57
        Low: 199.57
        Close: 199.73
        Volume: 15460769
        ========================
        Symbol: AAPL
        Open: 199.24
        High: 199.4
        Low: 197.05
        Close: 197.92
        Volume: 18773228

Methods

All API methods are available on the Alpaca Client (RagingProdigy\Alpaca\Client).

Account API

Calls GET /account and returns the current account

$client->getAccount(); //Account

Orders API

Request New Order

Calls POST /orders and creates a new order.

$client->requestNewOrder(
    string $symbol,
    int $quantity,
    string $action, // OrderAction::BUY, OrderAction::SELL
    string $type, // OrderType::MARKET, OrderType::STOP, OrderType::LIMIT, OrderType::STOP_LIMIT, 
    string $timeInForce, // TimeInForce::DAY, TimeInForce::GTC, TimeInForce::OPG, TimeInForce::IOC, TimeInForce::FOK
    float $limitPrice = null,
    float $stopPrice = null,
    bool $extendedHours = false,
    $clientOrderId = null
); // Order

Get Orders

Calls GET /orders and returns an array of Order objects.

$client->getOrders(
    string $status = OrderStatus::OPEN, // OrderStatus::CLOSED, OrderStatus::OPEN, OrderStatus::ALL
    int $limit = 50,
    DateTime $after = null,
    DateTime $until = null,
    string $direction = Sorting::DESCENDING // Sorting::ASCENDING, Sorting::DESCENDING
); // Order[]

Get Order By ID

Calls GET /orders/{id} and returns an Order.

$client->getOrder(string $orderId); // Order

Get Order By Client Order Id

Calls GET /orders:by_client_order_id and returns an order by client_order_id. You can set client_order_id while creating your orders to easily keep track of your orders.

$client->getOrderByClientOrderId(string $clientOrderId); // Order

Cancel an Order

Calls DELETE /orders/{id} and deletes an Order.

$client->cacnelOrder(string $orderId); // void

Raises an AlpacaApiException when it fails.

Positions API

Get Position

Calls GET /positions/{symbol} and returns a Position.

$client->getOpenPosition(string $symbol); // Position

Get All Position

Calls GET /positions and returns an array of Position objects.

$client->getOpenPositions(); // Position[]

Assets API

Get Assets

Calls GET /assets/ and returns an array of Assets matching your criteria.

$client->getAssets(
    string $status = '' // '', AssetStatus::ACTIVE, AssetStatus::INACTIVE
); // Asset[]

Get Asset Information

Calls GET /assets/{symbol} and returns an Asset entity.

$client->getAsset(string $assetIdOrSymbol); // Asset

Calendar API

Calls GET/calendar and returns the market calendar for the selected dates

$client->getCalendar(DateTime $start = null, DateTime $end = null); // Calendar[]

Data API

Get Bars

$client->getBars(
    array $symbols, // up to 200 symbols
    string $timeFrame, // BarTimeFrame::MINUTE, BarTimeFrame::FIVE_MINUTES, BarTimeFrame::FIFTEEN_MINUTES, BarTimeFrame::DAY
    int $limit = 100,
    DateTime $start = null,
    DateTime $end = null
); // Bar[]

Tests

In order to run the tests, install the dev-dependencies (composer install --dev) and then run:

    vendor/bin/phpunit -c phpunit.xml.dist