Kraken API - LabMazurokCom/Blockchain GitHub Wiki

Intro

Website: https://www.kraken.com

Documentation: https://www.kraken.com/help/api

Limits: Tier 2 users have a maximum of 15 and their count gets reduced by 1 every 3 seconds.

Fee used in bot: 0.26% (taker fee for monthly volume less than 50K USD)

List of symbols

https://api.kraken.com/0/public/AssetPairs

Order book

https://api.kraken.com/0/public/Depth?pair=XBTEUR&count=50

Request keys

Parameter	Meaning
pair	asset pair to get market depth for
count	maximum number of asks/bids (optional)

Response

{
    "error": [],
    "result": {
        "XXBTZEUR": {
            "asks": [
                ["7590.00000", "0.013", 1525271993],
                ["7592.30000", "0.100", 1525271993],
                ["7592.40000", "0.300", 1525271995]
            ],
            "bids": [
                ["7589.90000", "0.500", 1525271991],
                ["7589.80000", "3.941", 1525271983],
                ["7589.00000", "0.821", 1525271991]
            ]
        }
    }
}

Parameter	Meaning
asks	ask side array of array entries(price, volume, timestamp)
bids	bid side array of array entries(price, volume, timestamp)

Ticker

https://api.kraken.com/0/public/Ticker?pair=XBTEUR

N.B. Today's prices start at 00:00:00 UTC

Response

{
    "error": [],
    "result": {
        "XXBTZEUR": {
            "a": ["7592.00000", "1", "1.000"],
            "b": ["7590.80000", "1", "1.000"],
            "c": ["7592.00000", "0.00249660"],
            "v": ["2944.26372773", "4960.34928458"],
            "p": ["7589.95666", "7554.16852"],
            "t": [17281, 27218],
            "l": ["7477.00000", "7402.20000"],
            "h": ["7655.50000", "7655.50000"],
            "o": "7541.10000"
        }
    }
}

Parameter	Meaning
a	ask array(price, whole lot volume, lot volume),
b	bid array(price, whole lot volume, lot volume),
c	last trade closed array(price, lot volume),
v	volume array(today, last 24 hours),
p	volume weighted average price array(today, last 24 hours),
t	number of trades array(today, last 24 hours),
l	low array(today, last 24 hours),
h	high array(today, last 24 hours),
o	today's opening price

Order types

Market order

Buy (or sell) at the best average market price.

Limit order

Buy (or sell) at a fixed price (or better). Can be executed partially

Currency limits

Currency	Order minimum
Augur (REP)	0.3
Bitcoin (XBT)	0.002
Bitcoin Cash (BCH)	0.002
Dash (DASH)	0.03
Dogecoin (DOGE)	3000
EOS (EOS)	3
Ethereum (ETH)	0.02
Ethereum Classic (ETC)	0.3
Gnosis (GNO)	0.03
Iconomi (ICN)	2
Litecoin (LTC)	0.1
Melon (MLN)	0.1
Monero (XMR)	0.1
Ripple (XRP)	30
Stellar Lumens (XLM)	30
Zcash (ZEC)	0.03
Tether (USDT)	5

Fees

https://api.kraken.com/0/public/AssetPairs

Response:

fees = fee schedule array in [volume, percent fee] tuples

fees_maker = maker fee schedule array in [volume, percent fee] tuples (if on maker/taker)

Private API request example

import requests
import hashlib
import hmac
import time
import urllib
import base64

api_key='API_KEY'
api_secret='API_SECRET'


nonce = int(1000 * time.time())

endpoint = "https://api.kraken.com"
req = "/0/private/Balance"

data = {}
data['nonce'] = nonce

url = endpoint + req
postdata = urllib.parse.urlencode(data)
encoded = (str(data['nonce']) + postdata).encode()
msg = req.encode() + hashlib.sha256(encoded).digest()
H = hmac.new(base64.b64decode(api_secret), msg, hashlib.sha512)
sign = (base64.b64encode(H.digest())).decode()

headers = {
    'API-key': api_key,
    'API-sign': sign
}

r = requests.post(url, data=data, headers=headers)

print(r.text)