The Bluefin (formerly Firefly) client library is available in TypeScript and Python, available on npm and pypi respectively, and can be added to your project using the following commands:
npm i @bluefin-exchange/bluefin-v2-client
// or
yarn add @bluefin-exchange/bluefin-v2-client
// we don't discriminate :)
pip install bluefin_v2_client