Chain's official Python SDK.
pip install chain-sdkfrom chain import Chain
chainClient = Chain(keyID='5587496846848',
keySecret='09sdgo8990g0gdsas9d98d8a8h',
blockChain='bitcoin')
print chainClient.addressBalance("17x23dNjXJLzGMev6R63uyRhMWP1VHawKc")See many more examples here.
The Chain API Documentation is available at https://chain.com/docs/python