Fetch a product data by ASIN:
import keepa
ASIN = 'B0009F3PQ2'
KEEPA_API_KEY = '***********'
api = keepa.KeepaAPI(KEEPA_API_KEY)
print('Tokens Left:', api.tokens_left())
product = api.products([ASIN])['products'][0]
print(product['asin'])
print(product['title'])
print('Tokens Left:', api.tokens_left())