API courses can help you learn how to design, build, and test application programming interfaces, as well as understand RESTful services and authentication methods. You can build skills in data exchange formats like JSON and XML, error handling, and API documentation practices. Many courses introduce tools such as Postman for testing APIs, Swagger for documentation, and various programming languages like Python or JavaScript to implement API calls, allowing you to effectively integrate and manage data across different systems.

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI, Large Language Modeling, LLM Application, AI literacy, Amazon Web Services, AI Integrations, Application Programming Interface (API)
★ 4.6 (65) · Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, UI Components, Front-End Web Development, Web Content Accessibility Guidelines, User Interface (UI), Code Reusability, JavaScript Frameworks, Web Development Tools, Web Frameworks, Cascading Style Sheets (CSS), Application Programming Interface (API), Data Mapping
★ 4.7 (230) · Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Java, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Business Analytics, Data Visualization Software, Analytical Skills, Exploratory Data Analysis, Data Quality, Data Analysis, Data-Driven Decision-Making, Extract, Transform, Load, Analytics, Data Manipulation, Descriptive Statistics, Data Processing, SQL, Python Programming, Application Programming Interface (API)
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
★ 4.1 (46) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, ASP.NET, Test Driven Development (TDD), Debugging, C# (Programming Language), Software Testing, Scalability, Performance Testing, Restful API, Unit Testing, Web Development, Microservices, .NET Framework, Object-Relational Mapping, Software Architecture, Web Applications, Test Engineering, Object Oriented Design, Cloud Deployment, Distributed Computing
★ 4.7 (245) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Multimodal Prompts, LLM Application, OpenAI API, AI powered creativity, AI Integrations, Large Language Modeling, Embeddings, Prompt Engineering, AI Personalization, Retrieval-Augmented Generation, Web Applications, Flask (Web Framework), Web Development, Software Development
★ 4.6 (64) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Android Development, Kotlin, API Design, Android Studio, Application Programming Interface (API), Android Jetpack, Mobile Development, Database Application, Database Management, Data Persistence, Databases, JSON, Database Development, Web Applications, Back-End Web Development, SQL, Data Access, Relational Databases
★ 4.7 (62) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Frontend Integration, API Design, Middleware, Application Frameworks, Object-Relational Mapping, Model View Controller, Cascading Style Sheets (CSS)
★ 4.2 (49) · Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, API Testing, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Object Oriented Design, Application Programming Interface (API), Systems Architecture, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Data Persistence, Scalability, Service Oriented Architecture, Web Applications
★ 4.3 (67) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: MongoDB, Node.JS, Angular, Restful API, API Design, NoSQL, Bootstrap (Front-End Framework), Database Development, Scalability, JavaScript Frameworks, Authentications, Query Languages, Web Frameworks, Web Applications, JSON, Application Programming Interface (API), Database Management, Authorization (Computing), Distributed Computing, Web Development Tools
★ 4.7 (163) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Communication Systems, Electronics Engineering, Remote Access Systems, Linux, Digital Communications, Restful API, Electrical Engineering, Web Applications, Telecommunications, Systems Of Measurement, Digital Signal Processing, Data Processing
★ 4.8 (104) · Beginner · Specialization · 3 - 6 Months