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.

The University of Chicago
Skills you'll gain: Software-Defined Networking, Virtual Networking, Software-Defined Data Center (SDDC), Computer Networking, Virtualization, Network Architecture, Network Administration, Network Switches, Network Routing, Network Security, Network Protocols, Hardware Architecture, Application Programming Interface (API), Verification And Validation
Mixed · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Gherkin (Scripting Language), Test Tools, Behavior-Driven Development, Test Script Development, Test Automation, Unit Testing, Software Testing, Development Testing, Test Case, Test Data, Code Coverage, Restful API, Mockups
Intermediate · Course · 1 - 3 Months

Amazon
Skills you'll gain: Full-Stack Web Development, Restful API, Cloud Deployment, Frontend Integration, Front-End Web Development, Web Design and Development, Web Services, Cloud Development, Application Deployment, Cloud Applications, Web Development, Spring Framework, Amazon Web Services, HTML and CSS, Data Persistence, Application Programming Interface (API), Server Side, Web Applications, Back-End Web Development, Javascript
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Natural Language Processing, Large Language Modeling, Transfer Learning, Tensorflow, Google Cloud Platform, Keras (Neural Network Library), Recurrent Neural Networks (RNNs), Embeddings, Deep Learning, AI Workflows, Artificial Neural Networks, Cloud API, Feature Engineering, Model Training
Advanced · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Development Testing, Test Script Development, Application Development, Application Design, Application Frameworks, Integrated Development Environments, Web Development Tools, Software Architecture, Web Applications, Development Environment, Frontend Integration, Application Deployment, Application Programming Interface (API), Software Development Tools, Interoperability, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Web Development, Web Applications, Cascading Style Sheets (CSS), Computer Programming, HTML and CSS, Event-Driven Programming, Software Development, Git (Version Control System), Hypertext Markup Language (HTML), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Responsible AI, Generative AI, Generative AI Agents, Prompt Engineering, Amazon Bedrock, Data Ethics, AWS SageMaker, AI Workflows, Agentic systems, AI Product Strategy, Agentic Workflows, Amazon Web Services, AI Integrations, LLM Application, AI Orchestration, MLOps (Machine Learning Operations), Application Programming Interface (API), Application Development, Solution Architecture, Data Management
Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Prompt Engineering, OpenAI API, Education Software and Technology, AI Integrations, OpenAI, Scripting, Python Programming, Application Programming Interface (API), Application Development, Machine Learning, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: COBOL (Programming Language), Continuous Integration, Development Testing, Test Automation, Unit Testing, Development Environment, Middleware, Program Development, z/OS, Mainframe Computing, Debugging, Integrated Development Environments, Mainframe Technologies, Data Structures, Computer Programming, Programming Principles, Application Programming Interface (API), File I/O, Performance Tuning, Automation
Intermediate · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Generative AI Agents, Cloud API
Beginner · Project · Less Than 2 Hours

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
Beginner · Specialization · 3 - 6 Months