[tusharmath]

Actually, you might want to check out https://tailcall.run (Disclaimer: I am the core maintainer of the project)

It's an open-source API Orchestrator, in other words "a Zapier for APIs". If you find it interesting, hit our discord channel to learn more about it.

[tusharmath]

With Tailcall, you could compose API over multiple any of the following formats REST, GraphQL, and GRPC APIs to create a unified API endpoint. This could also be any of the above. So you could expose a set of REST endpoints atop, multiple GRPC APIs, where you are not just doing basic translations, but also sophisticated data transformation that has business logic inside it.