import requests

def fetch_price_data():
    # Set up the URL and payload for the API request
    source = 'http://api.binance.com/api/v3/avgPrice'
    payload = {'symbol': 'BTCUSDT'}

    # Send the API request and parse the response
    response = requests.get(source, params=payload)
    data = response.json()
    mins = data['mins']
    price = data['price']

    # Store the data in the SQLite database
    conn = sqlite3.connect('database.db')
    cursor = conn.cursor()
    cursor.execute('INSERT INTO price_data (timestamp, value, symbol, source) VALUES (?, ?, ?, ?)', (time.time(), price, 'BTCUSDT', 'Binance'))
    conn.commit()
    conn.close()

    return mins