Kraken API client

Unofficial API client written in PHP for Kraken Exchange

Documentation

• Official REST API documentation
• Official Websockets API documentation

Main features

• Compatible with any framework
• Compatible with any logger library that implements Psr\Log\LoggerInterface
• It provides an easy-to-use interface with the API using the *Query classes that are provided
• The API parameter documentation can be found in the PHPDoc of each query object for easy use

Not supported (yet!)

• User trading endpoints
• User funding endpoints
• User staking endpoints

How to contribute to the project

If we are talking about a new feature, then an issue needs to be opened in order to discuss it. And after that proceed to the steps below.

If it's a BUG see the steps below

Steps to update the code

1. Write the code in a new branch (see HERE for more info)
2. Make sure it's PSR-12 compliant and all the code and comments ar properly aligned
3. Make a PR

Configuration examples

Symfony

In your .env config file

###> brian978/kraken-api-client ###
KRAKEN_API_KEY=<your_key>
KRAKEN_API_SECRET=<your_secret>==
###< brian978/kraken-api-client ###

In your services.yaml

# KrakenApi namespace auto-wire
KrakenApi\:
  resource: '../vendor/brian978/kraken-api-client/src/'
  
# Kraken API rate limiter
app.limiter.storage.kraken_api:
  class: Symfony\Component\RateLimiter\Storage\CacheStorage

KrakenApi\RateLimiter\RateLimiter:
  shared: false
  arguments:
    - '@app.limiter.storage.kraken_api'
    - '@lock.default.factory'

# Kraken API client
app.krakenHttp.client:
  class: GuzzleHttp\Client
  arguments:
    - { base_uri: 'https://api.kraken.com' }

KrakenApi\Client:
  class: KrakenApi\Client
  arguments:
    - '@app.krakenHttp.client'
    - '@KrakenApi\RateLimiter\RateLimiter'
    - '%env(resolve:KRAKEN_API_KEY)%'
    - '%env(resolve:KRAKEN_API_SECRET)%'
  calls:
    - setLogger: [ '@logger' ]