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.

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Application Security, IT Security Architecture, DevOps, Security Engineering, Security Controls, CI/CD, Cybersecurity, Cyber Security Strategy, Cloud Security, Infrastructure as Code (IaC), Cloud Platforms, Vulnerability Management, Development Environment, Cloud Computing, Cloud Infrastructure, Cloud Computing Architecture, User Story, Backlogs
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Testing, Restful API, Application Programming Interface (API), Test Script Development, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation
★ 5 (11) · Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon Web Services, Amazon DynamoDB, Containerization, Amazon Elastic Compute Cloud, Cloud-Native Computing, Cloud Security, AWS CloudFormation, Event-Driven Programming, Kubernetes, API Gateway, Operational Databases, Cloud Development, Continuous Integration, Amazon S3, Amazon CloudWatch, AWS Kinesis, Virtual Machines, Virtualization and Virtual Machines
★ 4.7 (10) · Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Model Evaluation, Model Training, Applied Machine Learning, Google Cloud Platform, Image Analysis, Model Deployment, Computer Vision, Machine Learning, Predictive Analytics, Cloud Storage, Cloud API
★ 5 (6) · Intermediate · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Node.JS, Full-Stack Web Development, User Interface (UI), Application Deployment, MongoDB, Angular, Back-End Web Development, Frontend Integration, Front-End Web Development, User Interface (UI) Design, Web Design, Web Design and Development, Web Applications, JavaScript Frameworks, Server Side, Restful API, Secure Coding, Authentications, Authorization (Computing), Responsive Web Design
★ 4.2 (19) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Generative AI Agents, OpenAI API, Responsible AI, Content Creation, Large Language Modeling, Hugging Face
★ 4.6 (17) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, Agentic Workflows, Debugging, TypeScript, Agentic systems, AI Workflows, Node.JS, OpenAI API, Generative AI, Program Development, Artificial Intelligence, LLM Application, Programming Principles, Tool Calling, Maintainability, Prompt Engineering, Application Frameworks, Javascript, Large Language Modeling, File Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Application Programming Interface (API), Gradle, Build Tools, Software Development Tools, Integration Testing, Application Frameworks, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java Programming, Java, Software Configuration Management, Software Documentation, Development Environment, JUnit, Restful API, Application Performance Management, Model View Controller, Back-End Web Development, User Accounts, Authentications, Application Programming Interface (API)
★ 4.3 (8) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Angular, Authorization (Computing), JavaScript Frameworks, Application Programming Interface (API), TypeScript, Javascript, Web Development
★ 4.7 (18) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Responsive Web Design, OpenAI API, HTML and CSS, Cascading Style Sheets (CSS), Javascript, LLM Application, Application Development, User Interface (UI) Design, Web Design and Development, Application Programming Interface (API), OpenAI, Figma (Design Software)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Keras (Neural Network Library), Model Optimization, Tensorflow, Deep Learning, Performance Tuning, Model Deployment, Python Programming
★ 4.5 (77) · Intermediate · Guided Project · Less Than 2 Hours