Yes. The BinaryLane API implementation is compatible with the OpenAPI3 specification. You can find the API documentation at https://api.binarylane.com.au/reference/
We have created an article covering how to get started with the API here https://support.binarylane.com.au/support/solutions/articles/11000125203-getting-started-with-binarylane-api
A command line client for the API is available at https://github.com/binarylane/binarylane-cli