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Mapagam

43 SECTIONS · 527 TOPICS

REST API Roadmap

  1. Understanding REST Architecture

    1. 1. Understanding REST Principles
    2. 2. Understanding Resource-Based Architecture
    3. 3. Understanding Uniform Interface Constraints
    4. 4. Understanding Stateless Communication
    5. 5. Understanding Cacheability Requirements
    6. 6. Understanding Layered System Architecture
    7. 7. Understanding Code on Demand
    8. 8. Understanding REST Maturity Model
    9. 9. Understanding RESTful vs REST-like APIs
    10. 10. Understanding REST vs SOAP Differences

  2. Designing Resource URIs

    1. 1. Using Nouns for Resources
    2. 2. Using Plural Nouns
    3. 3. Structuring Hierarchical Resources
    4. 4. Using Lowercase and Hyphens
    5. 5. Avoiding File Extensions
    6. 6. Designing Collection vs Singleton Resources
    7. 7. Handling Nested Resources
    8. Example: Nested Resource Endpoints
    9. 8. Using Resource Identifiers
    10. 9. Designing Action-Based Endpoints
    11. 10. Handling Special Characters in URIs
    12. 11. Using Query Parameters

  3. Working with HTTP Methods

    1. 1. Using GET Method
    2. Example: GET Request
    3. 2. Using POST Method
    4. Example: POST Create User
    5. 3. Using PUT Method
    6. 4. Using PATCH Method
    7. Example: JSON Merge Patch
    8. 5. Using DELETE Method
    9. 6. Using HEAD Method
    10. 7. Using OPTIONS Method
    11. 8. Understanding Safe Methods
    12. 9. Understanding Idempotent Methods
    13. 10. Handling Method Override

  4. Working with HTTP Status Codes

    1. 1. Using 200 OK
    2. 2. Using 201 Created
    3. 3. Using 202 Accepted
    4. 4. Using 204 No Content
    5. 5. Using 206 Partial Content
    6. 6. Using 304 Not Modified
    7. 7. Using 400 Bad Request
    8. 8. Using 401 Unauthorized
    9. 9. Using 403 Forbidden
    10. 10. Using 404 Not Found
    11. 11. Using 405 Method Not Allowed
    12. 12. Using 409 Conflict
    13. 13. Using 422 Unprocessable Entity
    14. 14. Using 429 Too Many Requests
    15. 15. Using 500 Internal Server Error
    16. Status Code Quick Reference

  5. Managing HTTP Headers

    1. 1. Using Content-Type Header
    2. 2. Using Accept Header
    3. 3. Using Authorization Header
    4. 4. Using Cache-Control Header
    5. 5. Using ETag Header
    6. 6. Using If-None-Match Header
    7. 7. Using If-Match Header
    8. Example: Optimistic Concurrency with If-Match
    9. 8. Using If-Modified-Since Header
    10. 9. Using If-Unmodified-Since Header
    11. 10. Using Location Header
    12. 11. Using X-RateLimit Headers
    13. 12. Using CORS Headers
    14. 13. Using Custom Headers

  6. Structuring Request Payloads

    1. 1. Structuring Request Headers
    2. 2. Structuring Request Body
    3. Example: Well-Structured POST Body
    4. 3. Using Query Parameters
    5. 4. Using Path Parameters
    6. 5. Using Request Body for Complex Data
    7. 6. Handling Form Data
    8. 7. Handling Multipart Requests
    9. Example: Multipart Upload
    10. 8. Validating Request Data
    11. 9. Handling Request Size Limits
    12. 10. Using Custom Headers

  7. Structuring Response Payloads

    1. 1. Structuring JSON Responses
    2. 2. Using Response Envelopes
    3. Example: Envelope Format
    4. 3. Including Resource Metadata
    5. 4. Handling Empty Responses
    6. 5. Including Pagination Metadata
    7. 6. Including HATEOAS Links
    8. Example: HAL Format
    9. 7. Structuring Error Responses
    10. Example: RFC 7807 Problem Details
    11. 8. Using Consistent Naming Conventions
    12. 9. Handling Null vs Omitted Fields
    13. 10. Including Response Headers

  8. Implementing Content Negotiation

    1. 1. Using Accept Header
    2. 2. Using Content-Type Header
    3. 3. Implementing Multiple Response Formats
    4. Example: Format Selection
    5. 4. Using Accept-Language Header
    6. 5. Using Accept-Encoding Header
    7. 6. Implementing Quality Values
    8. 7. Returning 406 Not Acceptable
    9. 8. Using Default Content Type
    10. 9. Implementing Vendor-Specific Media Types
    11. 10. Documenting Supported Formats

  9. Validating Request Data

    1. 1. Implementing Schema Validation
    2. 2. Validating Required Fields
    3. Example: Bean Validation (Java)
    4. 3. Validating Data Types
    5. 4. Validating String Formats
    6. 5. Validating Number Ranges
    7. 6. Validating String Length
    8. 7. Validating Array Items
    9. Example: Array Validation (JSON Schema)
    10. 8. Implementing Custom Validation Rules
    11. Example: Custom Cross-Field Validator (Java)
    12. 9. Returning Validation Errors
    13. 10. Providing Field-Level Error Messages
    14. Example: Field-Level Error Response

  10. Handling Data Transformation

    1. 1. Transforming Request Data
    2. 2. Transforming Response Data
    3. 3. Implementing Data Mapping
    4. 4. Converting Date Formats
    5. 5. Handling Time Zones
    6. 6. Sanitizing User Input
    7. 7. Implementing Case Conversion
    8. 8. Removing Sensitive Fields
    9. Example: Field-Level Filtering (Java/Jackson)
    10. 9. Implementing Data Enrichment
    11. 10. Using Transformation Libraries

  11. Handling Errors

    1. 1. Structuring Error Responses
    2. 2. Using Standard Error Codes
    3. 3. Including Field-Level Errors
    4. Example: Field Errors Array
    5. 4. Providing Error Messages
    6. 5. Including Error Documentation Links
    7. 6. Handling Validation Errors
    8. 7. Handling Server Errors
    9. 8. Implementing Error Logging
    10. 9. Avoiding Sensitive Information in Errors
    11. 10. Providing Localized Error Messages
    12. 11. Including Stack Traces

  12. Implementing Pagination

    1. 1. Using Offset-Based Pagination
    2. 2. Using Cursor-Based Pagination
    3. Example: Cursor Response
    4. 3. Using Page-Based Pagination
    5. 4. Including Pagination Metadata
    6. 5. Using Link Headers
    7. Example: GitHub-Style Link Header
    8. 6. Handling First and Last Page Links
    9. 7. Setting Default and Maximum Page Sizes
    10. 8. Implementing Keyset Pagination
    11. Example: Keyset Query
    12. 9. Handling Empty Result Sets
    13. 10. Using Consistent Pagination Parameters

  13. Implementing Filtering

    1. 1. Using Query Parameters for Filtering
    2. 2. Implementing Multi-Field Filtering
    3. Example: Combined Filters (AND)
    4. 3. Implementing Comparison Operators
    5. 4. Implementing Full-Text Search
    6. 5. Implementing Fuzzy Search
    7. 6. Using Arrays in Filters
    8. 7. Implementing Date Range Filtering
    9. Example: Date Range
    10. 8. Implementing Nested Field Filtering
    11. 9. Handling Special Characters in Filters
    12. 10. Implementing Filter Validation
    13. 11. Documenting Filter Options

  14. Implementing Sorting

    1. 1. Using Sort Query Parameter
    2. 2. Implementing Multi-Field Sorting
    3. Example: Multi-Field Sort
    4. 3. Specifying Sort Direction
    5. 4. Using Plus/Minus Prefix
    6. 5. Implementing Default Sorting Order
    7. 6. Handling Invalid Sort Fields
    8. 7. Combining Sorting with Pagination
    9. Example: Stable Sort
    10. 8. Implementing Nested Field Sorting
    11. 9. Documenting Sortable Fields
    12. 10. Optimizing Sort Performance

  15. Implementing Field Selection

    1. 1. Using Fields Query Parameter
    2. 2. Implementing Sparse Fieldsets
    3. Example: Sparse Fieldsets
    4. 3. Including Related Resource Fields
    5. 4. Implementing Default Field Sets
    6. 5. Validating Requested Fields
    7. 6. Handling Nested Field Selection
    8. 7. Optimizing Database Queries
    9. 8. Combining Field Selection with Pagination
    10. Example: Combined Query
    11. 9. Documenting Available Fields
    12. 10. Implementing Field Exclusion

  16. Implementing Resource Expansion

    1. 1. Using Expand Query Parameter
    2. 2. Implementing Nested Resource Embedding
    3. Example: Embedded Author
    4. 3. Using Include Parameter
    5. 4. Handling Circular References
    6. 5. Limiting Expansion Depth
    7. 6. Implementing Selective Expansion
    8. Example: Selective Expansion + Field Selection
    9. 7. Optimizing Database Queries
    10. 8. Combining Expansion with Field Selection
    11. 9. Documenting Expandable Resources
    12. 10. Handling Missing Related Resources

  17. Implementing Authentication

    1. 1. Implementing Basic Authentication
    2. 2. Implementing Bearer Token Authentication
    3. Example: Bearer Token (JWT)
    4. 3. Implementing API Key Authentication
    5. 4. Implementing OAuth 2.0
    6. 5. Implementing OAuth 2.0 Client Credentials
    7. Example: Client Credentials Token Request
    8. 6. Implementing Session-Based Authentication
    9. 7. Implementing Multi-Factor Authentication
    10. 8. Handling Token Refresh
    11. Example: Refresh Token Exchange
    12. 9. Implementing Token Expiration
    13. 10. Securing Authentication Endpoints
    14. 11. Handling Authentication Errors

  18. Implementing Authorization

    1. 1. Implementing Role-Based Access Control
    2. 2. Implementing Attribute-Based Access Control
    3. 3. Implementing Resource-Level Permissions
    4. Example: Resource-Level Check
    5. 4. Implementing Scope-Based Authorization
    6. 5. Validating Permissions Before Operations
    7. 6. Handling Forbidden Access
    8. 7. Implementing Owner-Based Access Control
    9. Example: Owner Check
    10. 8. Implementing Hierarchical Permissions
    11. 9. Implementing Fine-Grained Permissions
    12. 10. Caching Authorization Decisions

  19. Implementing Partial Updates

    1. 1. Using PATCH Method
    2. 2. Implementing JSON Patch
    3. Example: JSON Patch
    4. 3. Using JSON Merge Patch
    5. Example: JSON Merge Patch
    6. 4. Validating Patch Operations
    7. 5. Handling Nested Field Updates
    8. 6. Implementing Atomic Patch Operations
    9. 7. Returning Updated Resource
    10. 8. Handling Patch Conflicts
    11. 9. Documenting Patchable Fields
    12. 10. Using PUT for Full Replacement vs PATCH

  20. Implementing Batch Operations

    1. 1. Creating Multiple Resources
    2. Example: Batch Create
    3. 2. Updating Multiple Resources
    4. 3. Deleting Multiple Resources
    5. 4. Using Batch Endpoints
    6. 5. Implementing Partial Success Handling
    7. 6. Returning Batch Results
    8. Example: Batch Result with Per-Item Status
    9. 7. Implementing Transaction Support
    10. 8. Setting Batch Size Limits
    11. 9. Handling Batch Validation Errors
    12. 10. Documenting Batch Operation Behavior

  21. Implementing Bulk Data Operations

    1. 1. Designing Bulk Import Endpoints
    2. 2. Designing Bulk Export Endpoints
    3. 3. Implementing CSV/JSON Import
    4. 4. Implementing CSV/JSON Export
    5. 5. Handling Large Dataset Processing
    6. 6. Implementing Background Processing
    7. Example: Async Job Pattern
    8. 7. Providing Progress Indicators
    9. 8. Validating Bulk Data Format
    10. 9. Handling Partial Import Failures
    11. 10. Implementing Data Streaming

  22. Implementing Caching Strategies

    1. 1. Using Cache-Control Header
    2. 2. Implementing ETag-Based Caching
    3. ETag Validation Flow
    4. 3. Implementing Last-Modified Header
    5. 4. Using If-None-Match Conditional Requests
    6. 5. Using If-Modified-Since Conditional Requests
    7. 6. Returning 304 Not Modified Responses
    8. 7. Implementing Private vs Public Caching
    9. 8. Using Vary Header
    10. 9. Implementing Cache Invalidation Strategies
    11. 10. Caching at Different Layers
    12. 11. Handling No-Store Directive
    13. 12. Understanding Cache-Control Directives

  23. Implementing Concurrency Control

    1. 1. Using Optimistic Locking
    2. 2. Using If-Match Header
    3. 3. Using If-Unmodified-Since Header
    4. 4. Handling Concurrent Update Conflicts
    5. 5. Implementing Version Numbers
    6. Example: Version-Based Update
    7. 6. Using Last-Modified Timestamps
    8. 7. Implementing Pessimistic Locking
    9. 8. Handling Lock Expiration
    10. 9. Providing Conflict Resolution Strategies
    11. Example: Conflict Response with Diff
    12. 10. Documenting Concurrency Behavior

  24. Ensuring Idempotency

    1. 1. Understanding Idempotent Operations
    2. 2. Implementing Idempotent POST Requests
    3. 3. Using Idempotency-Key Header
    4. Example: Idempotency-Key
    5. 4. Storing Idempotency Keys
    6. 5. Handling Duplicate Requests
    7. 6. Returning Cached Responses
    8. 7. Implementing Idempotency for Payments
    9. 8. Handling Idempotency Key Expiration
    10. 9. Validating Idempotency Key Format
    11. 10. Documenting Idempotency Behavior

  25. Implementing Rate Limiting

    1. 1. Using Token Bucket Algorithm
    2. 2. Using Fixed Window Algorithm
    3. 3. Using Sliding Window Algorithm
    4. 4. Implementing Per-User Rate Limits
    5. 5. Implementing Per-IP Rate Limits
    6. 6. Using X-RateLimit Headers
    7. 7. Returning 429 Status Code
    8. Example: Rate Limit Exceeded
    9. 8. Implementing Retry-After Header
    10. 9. Providing Rate Limit Information
    11. 10. Implementing Tiered Rate Limits
    12. 11. Handling Burst Traffic

  26. Handling Request Timeouts

    1. 1. Setting Server-Side Timeout Limits
    2. 2. Implementing Client Timeout Configuration
    3. 3. Handling Timeout Errors
    4. 4. Implementing Request Cancellation
    5. 5. Using Timeout Headers
    6. 6. Implementing Graceful Timeout Handling
    7. 7. Setting Database Query Timeouts
    8. 8. Handling Slow Third-Party Services
    9. 9. Implementing Circuit Breaker for Timeouts
    10. 10. Logging Timeout Events

  27. Implementing Long-Running Operations

    1. 1. Returning 202 Accepted
    2. Example: 202 with Operation Location
    3. 2. Providing Operation Status Endpoint
    4. 3. Using Polling for Status Updates
    5. 4. Implementing Callback URLs
    6. Example: Webhook Callback Registration
    7. 5. Using WebSockets for Real-Time Updates
    8. 6. Using Server-Sent Events
    9. Example: SSE Stream
    10. 7. Implementing Operation Cancellation
    11. 8. Providing Progress Information
    12. 9. Handling Operation Expiration
    13. 10. Returning Final Result Location

  28. Implementing Webhooks

    1. 1. Designing Webhook Payload Structure
    2. Example: Webhook Payload
    3. 2. Implementing Webhook Registration
    4. Example: Register Webhook
    5. 3. Implementing Event Filtering
    6. 4. Securing Webhooks
    7. Example: HMAC Verification (Java)
    8. 5. Implementing Retry Logic
    9. 6. Using Exponential Backoff
    10. 7. Implementing Webhook Timeouts
    11. 8. Providing Webhook Logs
    12. 9. Implementing Webhook Deactivation
    13. 10. Testing Webhooks
    14. 11. Documenting Webhook Events

  29. Implementing HATEOAS

    1. 1. Understanding Hypermedia as Engine of Application State
    2. 2. Including Resource Links
    3. Example: Inline Links
    4. 3. Using HAL Format
    5. Example: HAL Response
    6. 4. Using JSON:API Specification
    7. 5. Providing Navigation Links
    8. 6. Including Action Links
    9. 7. Using Link Relations
    10. 8. Implementing Resource Discovery
    11. Example: API Root Document
    12. 9. Providing Links in Headers
    13. 10. Balancing HATEOAS vs Simplicity

  30. Handling File Uploads

    1. 1. Using Multipart Form Data
    2. 2. Implementing Chunked Uploads
    3. Example: Tus Resumable Upload Protocol
    4. 3. Validating File Types
    5. 4. Implementing File Size Limits
    6. 5. Generating Presigned URLs
    7. Example: Presigned URL Flow
    8. 6. Handling Upload Progress Tracking
    9. 7. Implementing Direct-to-Storage Uploads
    10. 8. Validating File Content
    11. 9. Returning Upload Status
    12. 10. Handling Upload Errors

  31. Handling File Downloads

    1. 1. Using Content-Disposition Header
    2. 2. Implementing Streaming Downloads
    3. 3. Using Range Requests
    4. Example: Range Request
    5. 4. Implementing Resume Support
    6. 5. Setting Content-Type Header
    7. 6. Generating Temporary Download URLs
    8. 7. Implementing Download Authorization
    9. 8. Handling Download Errors
    10. 9. Providing File Metadata
    11. 10. Implementing ZIP Archives

  32. Handling CORS

    1. 1. Understanding Cross-Origin Requests
    2. 2. Configuring Access-Control-Allow-Origin
    3. 3. Configuring Access-Control-Allow-Methods
    4. 4. Configuring Access-Control-Allow-Headers
    5. 5. Handling Preflight Requests
    6. CORS Preflight Flow
    7. 6. Using Access-Control-Max-Age
    8. 7. Implementing Access-Control-Allow-Credentials
    9. 8. Handling Simple vs Preflighted Requests
    10. 9. Configuring CORS for Multiple Origins
    11. Example: Validated Origin Echo
    12. 10. Debugging CORS Issues

  33. Versioning APIs

    1. 1. Using URI Versioning
    2. 2. Using Header Versioning
    3. 3. Using Query Parameter Versioning
    4. 4. Using Content Negotiation Versioning
    5. Example: Vendor Media Type Versioning
    6. 5. Implementing Backward Compatibility
    7. 6. Handling Deprecated Versions
    8. 7. Communicating Version Changes
    9. 8. Managing Multiple Versions Simultaneously
    10. 9. Using Semantic Versioning
    11. 10. Documenting Version Differences

  34. Handling Deprecation

    1. 1. Announcing Deprecation
    2. 2. Using Deprecation Header
    3. 3. Using Sunset Header
    4. Example: Deprecation + Sunset
    5. 4. Providing Migration Guides
    6. 5. Maintaining Deprecated Endpoints
    7. 6. Returning Warning Headers
    8. 7. Documenting Deprecation Timeline
    9. 8. Implementing Feature Flags
    10. 9. Notifying API Consumers
    11. 10. Removing Deprecated Endpoints

  35. Securing APIs

    1. 1. Using HTTPS/TLS
    2. 2. Validating Input Data
    3. 3. Implementing CSRF Protection
    4. 4. Using Secure Headers
    5. 5. Implementing API Key Rotation
    6. 6. Avoiding Sensitive Data in URLs
    7. 7. Implementing IP Whitelisting
    8. 8. Using Security Headers
    9. 9. Implementing Request Signing
    10. Example: HMAC Request Signing
    11. 10. Logging Security Events
    12. 11. Implementing DDoS Protection
    13. 12. Conducting Security Audits

  36. Implementing Response Compression

    1. 1. Using gzip Compression
    2. 2. Using Brotli Compression
    3. 3. Using deflate Compression
    4. 4. Configuring Compression Thresholds
    5. 5. Setting Content-Encoding Header
    6. 6. Handling Compressed Request Bodies
    7. 7. Implementing Conditional Compression
    8. 8. Optimizing Compression Levels
    9. 9. Measuring Compression Performance
    10. 10. Handling Compression Errors

  37. Optimizing Performance

    1. 1. Implementing Database Indexing
    2. 2. Using Connection Pooling
    3. 3. Using CDN for Static Resources
    4. 4. Implementing API Response Caching
    5. 5. Using Lazy Loading
    6. 6. Implementing Field Selection
    7. 7. Using Asynchronous Processing
    8. 8. Implementing Database Query Optimization
    9. 9. Monitoring Performance Metrics
    10. 10. Implementing Load Balancing
    11. 11. Using HTTP/2
    12. 12. Implementing Connection Keep-Alive

  38. Implementing Internationalization

    1. 1. Using Accept-Language Header
    2. 2. Providing Localized Error Messages
    3. Example: Localized Error
    4. 3. Implementing Currency Formatting
    5. 4. Implementing Date/Time Formatting
    6. 5. Using ISO 639 Language Codes
    7. 6. Implementing Number Formatting
    8. 7. Handling Right-to-Left Languages
    9. 8. Providing Translated Resource Content
    10. 9. Using Content-Language Header
    11. 10. Documenting Supported Locales

  39. Testing REST APIs

    1. 1. Writing Unit Tests
    2. 2. Writing Integration Tests
    3. Example: Spring MockMvc Integration Test
    4. 3. Testing Authentication and Authorization
    5. 4. Testing Error Handling
    6. 5. Testing Rate Limiting Behavior
    7. Example: Rate Limit Test
    8. 6. Testing Pagination and Filtering
    9. 7. Using API Testing Tools
    10. 8. Implementing Contract Testing
    11. 9. Testing Idempotency Behavior
    12. 10. Load Testing
    13. 11. Testing CORS Configuration
    14. 12. Implementing Automated API Tests

  40. Monitoring and Logging

    1. 1. Logging Request and Response Details
    2. 2. Using Correlation IDs
    3. Example: Correlation ID Propagation
    4. 3. Monitoring Response Times
    5. 4. Monitoring Error Rates
    6. 5. Implementing Health Check Endpoints
    7. Example: Readiness Response
    8. 6. Monitoring API Usage Patterns
    9. 7. Using Application Performance Monitoring
    10. 8. Implementing Structured Logging
    11. Example: JSON Log Entry
    12. 9. Setting Up Alerts
    13. 10. Logging Security Events
    14. 11. Implementing Log Retention Policies
    15. 12. Using Centralized Logging

  41. Documenting APIs

    1. 1. Using OpenAPI Specification
    2. 2. Documenting Endpoints
    3. Example: OpenAPI Path
    4. 3. Documenting Request Parameters
    5. 4. Documenting Request and Response Schemas
    6. Example: Schema Component
    7. 5. Providing Code Examples
    8. 6. Documenting Authentication
    9. Example: Security Scheme
    10. 7. Documenting Error Responses
    11. 8. Creating Interactive API Documentation
    12. 9. Documenting Rate Limits
    13. 10. Providing Getting Started Guides
    14. 11. Documenting Versioning
    15. 12. Maintaining Documentation Up-to-Date

  42. Working with API Gateways

    1. 1. Understanding API Gateway Role
    2. 2. Implementing Request Routing
    3. 3. Implementing Rate Limiting at Gateway
    4. 4. Implementing Authentication at Gateway
    5. 5. Implementing Request Transformation
    6. 6. Implementing Load Balancing
    7. 7. Implementing Circuit Breaker Pattern
    8. 8. Implementing Request Aggregation
    9. 9. Caching at API Gateway
    10. 10. Monitoring API Gateway
    11. 11. Popular API Gateway Tools

  43. Understanding REST vs GraphQL

    1. 1. Comparing REST and GraphQL
    2. 2. Handling Over-fetching with REST
    3. 3. Handling Under-fetching with REST
    4. 4. Choosing REST for Simple CRUD
    5. 5. Choosing GraphQL for Complex Data
    6. 6. Implementing GraphQL on Top of REST
    7. 7. Comparing Versioning Strategies
    8. 8. Comparing Caching Approaches
    9. 9. Choosing the Right Approach
    10. Decision Heuristics