Reference library

API design & gRPC

REST best practices, protobuf, API versioning, and backward-compatible service contracts.

1 match
API design & gRPC easy

How to Build a Simple gRPC-Style Data Service in Python

Create a beginner-friendly gRPC-style service with dataclasses to simulate GetUser and CreateUser RPCs.

grpc dataclasses api-design
Python 
from dataclasses import dataclass
from typing import Optional


@dataclass
class User:
    id: int
    name: str
    email: str


class UserService:
    """Simple gRPC-style service contract for beginner learners."""

    def get_user(self, user_id: int) -> Optional[User]:
        """Simulated gRPC GetUser RPC."""
   …
13 0 Open

Browse by section

Each section groups closely related Python snippets.

API design & gRPC — Python code examples

What you will find here

This page collects api design & grpc snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Related coding tools

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.