there is an ongoing effort in lsp spec group (in which breez is a part of) to try to come up with some standards that will make integrations with multiple lsp's easier for consumers of liquidity

Nice. Let's see how is going.

"LaaS, with an open-LSP model, will accelerate the growth of this liberating network. It will do so without taking custody of anyone’s money, and it will share the returns that result. Bitcoin makes the world better, Lightning makes bitcoin better, and LaaS makes Lightning better."

Their SDK depends on Greenlight, which is closed source :(