When would you choose gRPC over REST in .NET?
PICTURE THIS: A REST CALL
Simple meaning
gRPC shines for internal service-to-service with protobuf and HTTP/2 streaming.
WHY — Architecture instead of guessing?
Why interviewers care about Architecture:
on Architecture.
the situation, the default choice, and one exception - that reads as experience.
Name the idea, why it exists, then one short example.
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1gRPC shines for internal
service-to-service with protobuf and HTTP/2 streaming.
- 2Browsers still prefer REST
or gRPC-Web.
- 3I document contracts with
proto files.
- 4Give an example
One tiny concrete case you can say aloud.
- 5Common mistake
What juniors usually get wrong.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
gRPC shines for internal service-to-service with protobuf and HTTP/2 streaming. Browsers still prefer REST or gRPC-Web.