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API design & gRPC

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

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API design & gRPC easy

Create a Data Helper in Python for gRPC-style APIs

This code builds a simple DataHelper class that mimics gRPC request/response handling with in-memory storage, JSON serialization, and basic CRUD operations for beginners.

dataclasses grpc api-design
Python 
import json
from dataclasses import dataclass, asdict
from typing import Dict, Any


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


class DataHelper:
    """Simple helper to demonstrate gRPC-like data handling for beginners."""

    def __init__(self) -> None:
        self._users: Dict[int, Use…
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