API Design and Development

  1. Data Formats and Serialization
    1. JSON (JavaScript Object Notation)
      1. Syntax and Data Types
        1. Objects
          1. Arrays
            1. Strings
              1. Numbers
                1. Booleans
                  1. Null Values
                  2. JSON as the De Facto Standard
                    1. Widespread Support
                      1. Human Readability
                      2. Best Practices for Structuring JSON
                        1. Consistent Field Naming
                          1. Avoiding Deep Nesting
                            1. Handling Null Values
                              1. Array vs. Object Design
                              2. JSON Schema
                                1. Schema Definition
                                  1. Validation Rules
                                    1. Documentation Generation
                                  2. XML (eXtensible Markup Language)
                                    1. Syntax and Structure
                                      1. Elements and Attributes
                                        1. Document Structure
                                        2. Namespaces
                                          1. Namespace Declaration
                                            1. Prefix Usage
                                            2. XML Schema (XSD)
                                              1. Type Definitions
                                                1. Validation Rules
                                                2. Use in Legacy Systems and SOAP
                                                  1. Enterprise Integration
                                                    1. Backward Compatibility
                                                  2. Protocol Buffers (Protobuf)
                                                    1. Schema Definition
                                                      1. Message Types
                                                        1. Field Types
                                                          1. Field Numbers
                                                          2. Binary Serialization Format
                                                            1. Compact Representation
                                                              1. Parsing Efficiency
                                                              2. Performance Benefits
                                                                1. Size Comparison
                                                                  1. Speed Comparison
                                                                  2. Versioning in Protobuf
                                                                    1. Schema Evolution
                                                                      1. Backward Compatibility
                                                                      2. Language Support
                                                                        1. Code Generation
                                                                          1. Runtime Libraries
                                                                        2. Other Formats
                                                                          1. YAML
                                                                            1. Human-Readable Configuration
                                                                              1. Schema Definition
                                                                              2. MessagePack
                                                                                1. Binary JSON Alternative
                                                                                  1. Compact Serialization
                                                                                  2. Avro
                                                                                    1. Schema Evolution
                                                                                      1. Big Data Applications
                                                                                    2. Content Negotiation
                                                                                      1. Using `Accept` and `Content-Type` Headers
                                                                                        1. Media Type Specification
                                                                                          1. Quality Values
                                                                                          2. Supporting Multiple Formats
                                                                                            1. Format Selection Logic
                                                                                              1. Default Format Handling
                                                                                              2. Fallback Strategies
                                                                                                1. Unsupported Format Handling
                                                                                                  1. Error Responses

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                                                                                              3. Core Principles of API Design

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                                                                                              5. API Security