API Design and Development

  1. API Lifecycle Management
    1. Versioning Strategies
      1. URI Path Versioning
        1. Version in URL Path
          1. Pros and Cons
          2. Query Parameter Versioning
            1. Version as Query Parameter
              1. Default Version Handling
              2. Custom Header Versioning
                1. Version in HTTP Headers
                  1. Content Negotiation
                  2. Content Type Versioning
                    1. Media Type Versioning
                      1. Accept Header Usage
                      2. Semantic Versioning Principles
                        1. Major.Minor.Patch Format
                          1. Breaking vs. Non-Breaking Changes
                          2. Version Lifecycle Management
                            1. Version Support Policies
                              1. End-of-Life Planning
                            2. Managing Breaking vs. Non-Breaking Changes
                              1. Identifying Breaking Changes
                                1. Schema Changes
                                  1. Behavior Changes
                                    1. Contract Violations
                                    2. Strategies for Backward Compatibility
                                      1. Additive Changes
                                        1. Optional Fields
                                          1. Default Values
                                          2. Change Impact Analysis
                                            1. Consumer Impact Assessment
                                              1. Migration Planning
                                            2. Deprecation Policies
                                              1. Communicating Deprecation
                                                1. Deprecation Notices
                                                  1. Migration Guides
                                                  2. Sunset Headers
                                                    1. HTTP Sunset Header
                                                      1. Deprecation Timeline
                                                      2. Grace Periods
                                                        1. Transition Time
                                                          1. Support Overlap
                                                          2. Deprecation Process
                                                            1. Announcement Strategy
                                                              1. Stakeholder Communication
                                                            2. Deployment and Continuous Integration/Continuous Deployment (CI/CD)
                                                              1. CI/CD Pipeline Design
                                                                1. Build Automation
                                                                  1. Test Automation
                                                                    1. Deployment Automation
                                                                    2. Automating Testing and Deployment
                                                                      1. Automated Test Execution
                                                                        1. Quality Gates
                                                                        2. Deployment Strategies
                                                                          1. Blue-Green Deployments
                                                                            1. Zero-Downtime Deployment
                                                                              1. Traffic Switching
                                                                              2. Canary Deployments
                                                                                1. Gradual Rollout
                                                                                  1. Risk Mitigation
                                                                                  2. Rolling Deployments
                                                                                    1. Incremental Updates
                                                                                      1. Service Availability
                                                                                    2. Rollback Strategies
                                                                                      1. Automated Rollback
                                                                                        1. Rollback Triggers
                                                                                          1. Data Migration Rollback
                                                                                          2. Environment Management
                                                                                            1. Development Environments
                                                                                              1. Staging Environments
                                                                                                1. Production Environments
                                                                                              2. Monitoring and Logging
                                                                                                1. Tracking API Health and Usage
                                                                                                  1. Health Check Endpoints
                                                                                                    1. Service Status Monitoring
                                                                                                    2. Key Metrics
                                                                                                      1. Latency
                                                                                                        1. Response Time Distribution
                                                                                                          1. P95, P99 Percentiles
                                                                                                          2. Error Rate
                                                                                                            1. Error Classification
                                                                                                            2. Throughput
                                                                                                              1. Requests per Second
                                                                                                                1. Concurrent Users
                                                                                                                2. Uptime
                                                                                                                  1. Availability Metrics
                                                                                                                    1. SLA Compliance
                                                                                                                  2. Application Performance Monitoring (APM)
                                                                                                                    1. Distributed Tracing
                                                                                                                      1. Performance Profiling
                                                                                                                      2. Centralized Logging Solutions
                                                                                                                        1. Log Aggregation Tools
                                                                                                                          1. ELK Stack (Elasticsearch, Logstash, Kibana)
                                                                                                                            1. Splunk
                                                                                                                              1. Fluentd
                                                                                                                              2. Log Analysis and Alerting
                                                                                                                                1. Log Parsing
                                                                                                                                  1. Alert Configuration
                                                                                                                                2. Observability
                                                                                                                                  1. Metrics Collection
                                                                                                                                    1. Distributed Tracing
                                                                                                                                      1. Log Correlation
                                                                                                                                    2. Analytics and Reporting
                                                                                                                                      1. Understanding API Usage Patterns
                                                                                                                                        1. Peak Usage Times
                                                                                                                                        2. User and Application Analytics
                                                                                                                                          1. User Behavior Analysis
                                                                                                                                            1. Application Performance
                                                                                                                                            2. Business Intelligence
                                                                                                                                              1. Revenue Attribution
                                                                                                                                                1. Customer Insights
                                                                                                                                                2. Reporting Tools
                                                                                                                                                  1. Dashboard Creation
                                                                                                                                                    1. Automated Reports
                                                                                                                                                      1. Custom Analytics

                                                                                                                                                  Previous

                                                                                                                                                  8. Testing APIs

                                                                                                                                                  Go to top

                                                                                                                                                  Next

                                                                                                                                                  10. Advanced Topics and Patterns