tradier.py

import config, requests

url = "{}markets/quotes".format(config.API_BASE_URL)

headers = {
    'Authorization': 'Bearer {}'.format(config.ACCESS_TOKEN), 
    'Accept': 'application/json'
}

response = requests.get(url,
    params={'symbols': 'TSLA'},
    headers=headers
)

print(response.json())

options_url = '{}markets/options/chains'.format(config.API_BASE_URL)

response = requests.get(options_url,
    params={'symbol': 'TSLA', 'expiration': '2020-05-22'},
    headers=headers
)

print(response.json())

tesla_call_symbol = 'TSLA200522C00850000'

order_url = '{}accounts/{}/orders'.format(config.API_BASE_URL, config.ACCOUNT_ID)

response = requests.post(order_url,
    data={'class': 'option', 'symbol': 'TSLA', 'option_symbol': tesla_call_symbol, 'side': 'buy_to_open', 'quantity': '3', 'type': 'market', 'duration': 'day'},
    headers=headers
)

print(response.json())

orders = requests.get(order_url, headers=headers)

print(orders.json())