ccxt_first_bar.py

import ccxt
from datetime import datetime
from pprint import pprint

connection = ccxt.gateio()
pair = 'FITFI/USDT'
timestamp = int(datetime.strptime(
    "2022-04-26 10:30:00+00:00", "%Y-%m-%d %H:%M:%S%z").timestamp())
timeframe = '1m'
timeframe = '10s'
response = connection.fetch_ohlcv(pair, timeframe, None, 2,
                                  params={'to': timestamp})
pprint([datetime.utcfromtimestamp(response[-1][0] / 1000).isoformat(), *response[-1][1:]])
pprint([datetime.utcfromtimestamp(response[0][0] / 1000).isoformat(), *response[0][1:]])