[reactordev]

Exactly this. From SQL Alchemy to pydantic model, from pydantic model to pydantic dto, from pydantic dto to json/protobuf/binary to ship over the wire…

[morkalork]

Okay, so seeing pydantic types used in every part of an app not just the API layer is normal.

[reactordev]

Yes. It’s the only way to ensure typing in a dynamic typed world. You can attrs, you can validate, but pydantic does it all.