API Design and Development

6.

API Development and Implementation

6.1.

Choosing a Technology Stack

6.1.1.

Programming Languages

6.1.1.1.

6.1.1.1.1.

6.1.1.1.2.

6.1.1.1.3.

6.1.1.2.

6.1.1.2.1.

Django REST Framework

6.1.1.2.2.

6.1.1.2.3.

6.1.1.3.

6.1.1.3.1.

6.1.1.3.2.

6.1.1.3.3.

6.1.1.4.

6.1.1.4.1.

6.1.1.4.2.

6.1.1.4.3.

6.1.1.5.

6.1.1.5.1.

6.1.1.5.2.

6.1.1.6.

6.1.1.6.1.

6.1.1.6.2.

6.1.1.7.

6.1.1.7.1.

6.1.1.7.2.

6.1.2.

Database Technologies

6.1.2.1.

Relational Databases

6.1.2.1.1.

6.1.2.1.2.

6.1.2.1.3.

6.1.2.2.

NoSQL Databases

6.1.2.2.1.

6.1.2.2.2.

6.1.2.2.3.

6.1.2.3.

Graph Databases

6.1.2.3.1.

6.1.2.3.2.

6.1.3.

Infrastructure Considerations

6.1.3.1.

Cloud Platforms

6.1.3.1.1.

6.1.3.1.2.

6.1.3.1.3.

6.1.3.2.

Containerization

6.1.3.2.1.

6.1.3.2.2.

6.1.3.3.

Serverless Computing

6.1.3.3.1.

6.1.3.3.2.

Google Cloud Functions

6.1.3.3.3.

Azure Functions

6.2.

Project Structure and Architecture

6.2.1.

Layered Architecture

6.2.1.1.

Presentation Layer

6.2.1.2.

Business Logic Layer

6.2.1.3.

Data Access Layer

6.2.2.

Clean Architecture

6.2.2.1.

Dependency Inversion

6.2.2.2.

6.2.2.3.

6.2.3.

Microservices Architecture

6.2.3.1.

Service Decomposition

6.2.3.2.

Inter-Service Communication

6.2.3.3.

Data Management

6.3.

Implementing Endpoints

6.3.1.

Routing Requests

6.3.1.1.

Defining Routes

6.3.1.1.1.

6.3.1.1.2.

6.3.1.2.

Path Parameters and Query Parameters

6.3.1.2.1.

Parameter Extraction

6.3.1.2.2.

Parameter Validation

6.3.1.3.

Route Organization

6.3.1.3.1.

6.3.1.3.2.

Middleware Application

6.3.2.

Controller/Handler Logic

6.3.2.1.

Separation of Concerns

6.3.2.1.1.

Thin Controllers

6.3.2.1.2.

Business Logic Delegation

6.3.2.2.

Error Handling in Controllers

6.3.2.2.1.

Exception Handling

6.3.2.2.2.

Error Response Generation

6.3.2.3.

Request Processing Flow

6.3.2.3.1.

Input Validation

6.3.2.3.2.

Business Logic Execution

6.3.2.3.3.

Response Formatting

6.4.

Business Logic and Service Layers

6.4.1.

Separating Concerns

6.4.1.1.

Single Responsibility Principle

6.4.1.2.

Dependency Injection

6.4.2.

Service Layer Patterns

6.4.2.1.

Service Objects

6.4.2.2.

Domain Services

6.4.2.3.

Application Services

6.4.3.

Interacting with Databases and Other Services

6.4.3.1.

Database Abstraction

6.4.3.1.1.

Repository Pattern

6.4.3.1.2.

Data Access Objects

6.4.3.2.

External API Calls

6.4.3.2.1.

6.4.3.2.2.

Circuit Breakers

6.4.3.2.3.

6.4.3.3.

Caching Strategies

6.4.3.3.1.

In-Memory Caching

6.4.3.3.2.

Distributed Caching

6.5.

Data Transformation and Validation

6.5.1.

Data Transfer Objects (DTOs)

6.5.1.1.

Mapping Between Layers

6.5.1.2.

Serialization/Deserialization

6.5.2.

Input Validation Libraries

6.5.2.1.

Schema Validation

6.5.2.1.1.

6.5.2.1.2.

6.5.2.1.3.

6.5.2.2.

Custom Validators

6.5.2.2.1.

Business Rule Validation

6.5.2.2.2.

Cross-Field Validation

6.5.3.

6.5.3.1.

Object-Relational Mapping (ORM)

6.5.3.2.

Object-Document Mapping (ODM)

6.5.3.3.

6.6.

6.6.1.

Request Processing Pipeline

6.6.1.1.

Middleware Ordering

6.6.1.2.

Middleware Composition

6.6.2.

6.6.2.1.

Request and Response Logging

6.6.2.1.1.

Structured Logging

6.6.2.1.2.

6.6.2.2.

6.6.2.2.1.

6.6.2.2.2.

Context Information

6.6.2.3.

Performance Logging

6.6.2.3.1.

6.6.2.3.2.

6.6.3.

6.6.3.1.

Middleware for Auth Checks

6.6.3.1.1.

Token Validation

6.6.3.1.2.

User Context Setting

6.6.4.

Request Parsing

6.6.4.1.

6.6.4.1.1.

6.6.4.1.2.

Form Data Parsing

6.6.4.2.

6.6.4.2.1.

Parameter Extraction

6.6.4.2.2.

Type Conversion

6.6.5.

Error Handling Middleware

6.6.5.1.

Global Error Handling

6.6.5.2.

Error Response Formatting

6.6.5.3.

6.6.6.

CORS Middleware

6.6.6.1.

Cross-Origin Request Handling

6.6.6.2.

Preflight Response

6.6.7.

Compression Middleware

6.6.7.1.

Response Compression

6.6.7.2.

Content Encoding

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