Concerns of REST API Architecture Design

While designing architecture of REST API, we need to consider following areas

Areas	Node.js	.NET
API Security	Nestjs JwtModule	JWT Authentication
API Versioning	Nestjs URL Versioning	Microsoft AspNetCore Versioning
API Validation	Nestjs ValidationPipe	FluentValidation
API Documentation	Nestjs OpenApi	NSwag
Using DTOs (Object to Object Mapper)	TypeORM	AutoMapper
CORS Policy	Nestjs CORS	CORS with named policy and middleware
Health Check	Healthchecks (Terminus)	Health Checks Middleware and Use watchdogs
Dependency Injection	Built-in DI	Built-in service container
Logging	Nestjs-OpenTelemetry	Opentelemetry.NET
ORM	TypeORM	EF Core
CQRS pattern	Nestjs CQRS	MassTransit or MediatR
JSON Serialization	class-transformer	System.Text.Json or Json.NET
Cross-cutting API calls	Nestjs ClientProxy	Refit
Handle Errors Globally	useGlobalFilters	Exception Handling Middleware
Keep common code paths fast	Middleware	Middleware components
Caching	Nestjs Caching	IDistributedCache interface
Data Protection	Nestjs Security	Data Protection extensions
Avoid blocking calls	Asynchronous providers	Asynchronous APIs
Complete long-running Tasks outside of HTTP requests	Nestjs Schedule	Job Scheduler (like Hangfire/Quartz.NET/SignalR/etc.)