Python Rest Client for Delta Api

Delta Exchange is a crypto derivatives exchange where you can trade bitcoin, ethereum, ripple futures upto 100x leverage. This package is a wrapper around rest apis of Delta Exchange. User Guide - https://www.delta.exchange/user-guide API Documentation - https://docs.delta.exchange

Please read the Changelog before using this package.

Get started

1. Create an account on Testnet-India: https://testnet.delta.exchange/
   For non-Indian customers use Testnet-Global: https://testnet-global.delta.exchange/
2. Install the package:

   pip install delta-rest-client
   

3. Follow the below snippet to trade on testnet:

from delta_rest_client import DeltaRestClient

delta_client = DeltaRestClient(
  base_url='https://cdn-ind.testnet.deltaex.org',
  api_key='',
  api_secret=''
)

base_url for different environments:
Production-India : https://api.india.delta.exchange
(Site at: https://india.delta.exchange/)

Testnet-India : https://cdn-ind.testnet.deltaex.org
(Site at: https://testnet.delta.exchange/)

Production-Global : https://api.delta.exchange
(Site at: https://www.delta.exchange/)

Testnet-Global : https://testnet-api.delta.exchange
(Site at: https://testnet-global.delta.exchange/)

4. Get json list of available contracts to trade from given url and note down the product_id and asset_id, as it will be used in most of the api calls.

Methods

Get Assets

Get list of assets supported on Delta.

response = delta_client.get_assets()

Get Product Detail

Get product detail of current product. See sample response

product = delta_client.get_product(product_id) # Current Instrument
settling_asset = product['settling_asset'] # Currency in which the pnl will be realised

Name	Type	Description	Required
product_id	integer	id of product	true

Get Ticker Data

See sample response

response = delta_client.get_ticker(symbol)

Name	Type	Description	Required
symbol	string	product symbol	true

Get Orderbook

Get level-2 orderbook of the product. See sample response

response = delta_client.get_l2_orderbook(product_id)

Name	Type	Description	Required
product_id	integer	id of product	true

Open Orders

Get open orders. Authorization required. See sample response

orders = delta_client.get_live_orders()

Place Order

Create a new market order or limit order. Authorization required. See sample response

order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
				limit_price='7800',
        order_type=OrderType.LIMIT,
     		time_in_force=TimeInForce.FOK
    )

Name	Type	Description	Required
product_id	int	id of product	true
size	int	order size	true
side	string	buy or sell	true
limit_price	string	order price (ignored if market order)	false
order_type	string	limit or market	false (LIMIT by default)
time_in_force	string	IOC or GTC or FOK	false (GTC by default)
post_only	string	true or false	false (false by default)

Place Stop Order

Add stop loss or trailing stop loss. Authorization required. See sample response

# Trailing Stop loss
order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
				limit_price='7800',
        order_type=OrderType.LIMIT,
        trail_amount='20',
        isTrailingStopLoss=True
    )

# Stop loss
order_response = delta_client.place_stop_order(
        product_id=product_id,
        size=10,
        side='sell',
        order_type=OrderType.MARKET,
        stop_price='8010.5',
    )

Name	Type	Description	Required
product_id	int	id of product	true
size	int	order size	true
side	string	buy or sell	true
stop_price	string	price at which order will be triggered	false(required if stop_loss)
trail_amount	string	trail price	false(required if trailing_stop_loss)
limit_price	string	order price (ignored if market order)	false
order_type	string	limit or market	false (LIMIT by default)
time_in_force	string	IOC or GTC or FOK	false (GTC by default)
isTrailingStopLoss	string	true or false	false (false by default)

Cancel Order

Delete open order. Authorization required. See sample response

cancel_response = delta_client.cancel_order(product_id, order_id)

Name	Type	Description	Required
product_id	int	id of product	true
order_id	int	order id	true

Batch Create Orders

Create multiple limit orders. Max number of order is 5. Authorization required. See sample response

response = delta_client.batch_create(product_id, orders)

Name	Type	Description	Required
order	array	array of orders	true

Batch Cancel Orders

Cancel multiple open orders. Max number of order is 5. Authorization required. See sample response

response = delta_client.batch_cancel(product_id, orders)

Name	Type	Description	Required
order	array	array of orders	true

Change Order Leverage

Change leverage for new orders. Authorization required. See sample response

response = delta_client.set_leverage(product_id, leverage)

Name	Type	Description	Required
product_id	integer	id of product	true
leverage	string	leverage value	true

Open Position

Current open position of product. Authorization required. See sample response

response = delta_client.get_position(product_id)

Name	Type	Description	Required
product_id	integer	id of product	true

Change Leverage Positions

Change leverage for open position by adding or removing margin to an open position. Authorization required. See sample response

response = delta_client.change_position_margin(product_id, margin)

Name	Type	Description	Required
product_id	integer	id of product	true
margin	string	new margin	true

Get Wallet Balances

Get user's balance. Authorization required. See sample response

response = delta_client.get_balances(asset_id)

Name	Type	Description	Required
asset_id	integer	id of asset	true

Order History

query = { "product_id": 27 }
response = delta_client.order_history(query, page_size=100)
old_orders = response['result']
after_cursor_for_next_page = response["meta"]["after"]
more_orders = delta_client.order_history(query, page_size=100, after=after_cursor_for_next_page)

Name	Type	Description	Required
page_size	integer	page size	false

Fills

Get fill history of your orders

query = { "contract_types": "futures,interest_rate_swaps" }
response = delta_client.fills(query, page_size=100)

fills = response['result']
after_cursor_for_next_page = response["meta"]["after"]
more_fills = delta_client.fills(query, page_size=100, after=after_cursor_for_next_page)

Name	Type	Description	Required
page_size	integer	page size	false