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alpaca-trade-api-php

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PHP SDK for the Alpaca trade API

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# Alpaca PHP SDK

![Packagist Version](https://img.shields.io/packagist/v/jeffreyhyer/alpaca-trade-api-php?label=Packagist)
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This repository contains a PHP SDK for use with the
[Alpaca](https://alpaca.markets?ref_by=858915e73e) API.

**DISCLAIMER:** This is **NOT** an official SDK, it is not affiliated
with nor endorsed by Alpaca in any way.

## Release Notes

#### v3.0.0

With the release of `v3.0.0` of this library we use the Alpaca Data API v2.
The `getLastTrade` and `getLastQuote` methods are backwards compatible and
require no changes to your codebase.

:warning: The `getBars` method is NOT backwards compatible so you will need to update
your codebase to use the new method signature found in the Market Data section below.

#### v2.0.0

With the release of `v2.0.0` of this library we use v2 of the Alpaca API.
However, the methods are all backwards compatible with v1.0.0 of this
library and v1 of the Alpaca API so upgrading should be as simple as
updating the package version in your `composer.json` file and installing.
Everything should work as it did before but now you'll have access to
the new methods and new method parameters.

## Installation

**NOTE**: This package currently requires PHP >= 7.2.5

```shell
$ composer require jeffreyhyer/alpaca-trade-api-php
```

## Usage

From within your PHP application you can access the Alpaca API with
just a couple of lines:

```php
<?php

require './vendor/autoload.php';

use Alpaca\Alpaca;

$alpaca = new Alpaca("--KEY--", "--SECRET--");

$positions = $alpaca->getPositions();
```

## OAuth

From `v2.1.0` this package supports authenticating users via OAuth to
the Alpaca API. For a detailed explanation on the OAuth flow, see
[the Alpaca Docs](https://docs.alpaca.markets/build-apps_services-with-alpaca/oauth-guide/#integration).

The following methods can be used to request Authorization to access
an external users Alpaca account and retrieve an access token to make
API calls on their behalf.

**`getOauthAuthorizeUrl($client_id, $redirect_uri, $scope = "", $state = null)`**

Provide your applications `$client_id` and an authorized/whitelisted
`$redirect_uri` as well as your desired `$scope` and a random `$state`
value. This function will return the URL to which you should redirect
your user to in order to Authorize your application to access their account.

**`getOauthAccessToken($code, $client_id, $client_secret, $redirect_uri)`**

Once the user has authorized your application to access their account, Alpaca
will redirect the user back to your application (`$redirect_uri`). In the URL
will be a `code` parameter, you will pass that as the `$code` parameter to this
function along with your `$client_id` and `$client_secret` and your original
`$redirect_url`. This function will return an access token that can then be used
to call the Alpaca API on behalf of that user/account.

To start using the access token call **`setAccessToken($token)`** with the value of the token.

Once authenticated, you can call **`getOauthAccessTokenDetails()`** to
get the details of the access token (status, validity, etc).

## API

### Constructor

To get started initialize the `Alpaca` class with your Alpaca Key and
Secret. You can also set the third parameter to enable or disable
paper trading. The default is `true` to enable calling against the
paper trading endpoint.

```php
use Alpaca\Alpaca;

$alpaca = new Alpaca("KEY", "SECRET", true);

// This call will now work as expected if your KEY and SECRET are valid.
// If not, the response will contain an error explaining what went wrong.
$resp = $alpaca->getAccount();
```

You can change these values after initialization if necessary using
the following methods:

**`setKey($key)`**

Set your Alpaca Key

**`setSecret($secret)`**

Set your Alpaca Secret

**`setPaper(true)`**

Enable or disable paper trading. `true` = Paper Trading, `false` =
Live Trading.

---

### Response

All methods return an instance of the `\Alpaca\Response` class which
has a number of convenient methods for working with the API response.

**`getCode()`**

Returns the HTTP status code of the request (e.g. `200`, `403`, etc).

**`getReason()`**

Returns the HTTP status reason of the request (e.g. `OK`, `Forbidden`,
etc).

**`getResponse()`**

Returns the JSON decoded response. For example:

```php
print_r($alpaca->getAccount()->getResponse());

/*
Results in:

stdClass Object
(
    [id] => null
    [status] => ACTIVE
    [currency] => USD
    [buying_power] => 25000
    [cash] => 25000
    [cash_withdrawable] => 0
    [portfolio_value] => 25000
    [pattern_day_trader] => 
    [trading_blocked] => 
    [transfers_blocked] => 
    [account_blocked] => 
    [created_at] => 2018-11-01T18:41:35.990779Z
    [trade_suspended_by_user] => 
)
*/
```

---

### Account

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/account/)

**`getAccount()`**

Returns the account associated with the API key.

---

### Orders

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/orders/)

**`getOrders($status = null, $limit = null, $after = null, $until = null, $direction = null, $nested = null)`**

Retrieves a list of orders for the account, optionally filtered by the
supplied query parameters.

**`createOrder($symbol, $qty, $side, $type, $time_in_force, $limit_price = null, $stop_price = null, $client_order_id = null, $extended_hours = null, $order_class = null, $additional = [])`**

Places a new order for the given account. An order request may be
rejected if the account is not authorized for trading, or if the
tradable balance is insufficient to fill the order.

**`getOrder($order_id)`**

Retrieves a single order for the given `$order_id`.

**`getOrderByClientId($client_order_id)`**

Retrieves a single order for the given `$client_order_id`.

**`replaceOrder($order_id, $qty, $time_in_force, $limit_price = null, $stop_price = null, $client_order_id = null)`**

Replaces a single order with updated parameters. Each parameter
overrides the corresponding attribute of the existing order. The other
attributes remain the same as the existing order.

**`cancelOrder($order_id)`**

Attempts to cancel an open order. If the order is no longer cancelable
(example: `status=order_filled`), the server will respond with status
422, and reject the request.

**`cancelAllOrders()`**

Attempts to cancel all open orders. A response will be provided for
each order that is attempted to be cancelled. If an order is no
longer cancelable, the server will respond with status 500 and reject
the request.

---

### Positions

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/positions/)

**`getPositions()`**

Retrieves a list of the account's open positions.

**`getPosition($symbol)`**

Retrieves the account's open position for the given `$symbol`.

**`closeAllPositions()`**

Closes (liquidates) all of the account’s open long and short positions.
A response will be provided for each order that is attempted to be
cancelled. If an order is no longer cancelable, the server will respond
with status 500 and reject the request.

**`closePosition($symbol)`**

Closes (liquidates) the account’s open position for the given `$symbol`.
Works for both long and short positions.

---

### Assets

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/assets/)

**`getAssets($status = null, $asset_class = null)`**

Get a list of assets

**`getAsset($symbol)`**

Get an asset for the given `$symbol`.

**`getAssetById($id)`**

Get an asset for the given `$id`.

---

### Watchlists

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/watchlist/)

**`getWatchlists()`**

Returns the list of watchlists registered under the account.

**`createWatchlist($name, $symbols = [])`**

Create a new watchlist with initial set of assets (`$symbols`). The
`$name` is used to identify the watchlist in any of the `*WatchlistByName()`
methods below.

**`getWatchlist($id)`**

Returns a watchlist identified by the `$id`.

**`getWatchlistByName($name)`**

Returns a watchlist identified by the `$name`.

**`updateWatchlist($id, $name, $symbols = [])`**

Update the name and/or content of the watchlist identified by `$id`.

**`updateWatchlistByName($name, $symbols = [])`**

Update the name and/or content of the watchlist identified by `$name`.

**`addAssetToWatchlist($id, $symbol)`**

Append an asset for the `$symbol` to the end of watchlist asset list.

**`addAssetToWatchlistByName($name, $symbol)`**

Append an asset for the `$symbol` to the end of watchlist asset list.

**`deleteWatchlist($id)`**

Delete a watchlist. This is a permanent deletion.

**`deleteWatchlistByName($name)`**

Delete a watchlist. This is a permanent deletion.

---

### Calendar

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/calendar/)

**`getCalendar($start = null, $end = null)`**

Returns the market calendar.

---

### Clock

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/clock/)

**`getClock()`**

Returns the market clock.

---

### Account Configurations

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/account-configuration/)

**`getAccountConfigurations()`**

Returns the current account configuration values.

**`updateAccountConfigurations($config = [])`**

Updates and returns the current account configuration values.
`$config` is an array of key-value pairs (e.g. `["key" => "value"]`.

---

### Account Activities

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/account-activities/)

**`getAccountActivitiesOfType($type, $date = null, $until = null, $after = null, $direction = null, $page_size = null, $page_token = null)`**

Returns account activity entries for a specific type of activity.

**`getAccountActivities($types = [])`**

Returns account activity entries for many types of activities.

---

### Portfolio History

:ledger: [Alpaca Docs](https://docs.alpaca.markets/api-documentation/api-v2/portfolio-history/)

**`getPortfolioHistory($period = null, $timeframe = null, $date_end = null, $extended_hours = null)`**

Returns timeseries data about equity and profit/loss (P/L) of the
account in requested timespan.

---

### Market Data (v2 API)

:ledger: [Alpaca Docs](https://alpaca.markets/docs/api-documentation/api-v2/market-data/alpaca-data-api-v2/historical/)

**`getTrades($symbol, $start, $end, $limit = null, $page_token = null)`**

Returns trade historical data for the requested security.

**`getLastTrade($symbol)`**

Retrieve the last trade for the requested symbol.

**`getQuotes($symbol, $start, $end, $limit = null, $page_token = null)`**

Returns quote (NBBO) historical data for the requested security.

**`getLastQuote($symbol)`**

Retrieves the last quote for the requested symbol.

**`getBars($timeframe, $symbol, $start, $end, $limit = null, $page_token = null)`**

Returns aggregate historical data for the requested security.

**`getMultiSnapshot($symbols)`**

Returns the snapshots for the requested securities.

**`getSnapshot($symbol)`**

Returns the snapshot for the requested security.

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