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.
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Case, Test Automation, Acceptance Testing, Test Tools, Regression Testing, Test Execution Engine, Maintainability, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Restful API, Apache, Full-Stack Web Development, API Design, Node.JS, Web Servers, Postman API Platform, Authentications, Application Servers, Application Programming Interface (API), Web Applications, Back-End Web Development, Secure Coding, Web Development Tools, API Testing, Web Development, Javascript, JSON, JavaScript Frameworks
Beginner · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Digital Transformation, Google Cloud Platform, Google Workspace, Cloud Applications, Collaborative Software, Platform As A Service (PaaS), Database Application, Artificial Intelligence and Machine Learning (AI/ML), Cost Management, Cloud Computing, Cloud Infrastructure, Cloud Storage, Machine Learning, IT Infrastructure, Cloud Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Code Review, Technical Documentation, Software Documentation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Ansible, TCP/IP, Docker (Software), OSI Models, Cloud Infrastructure, General Networking, Computing Platforms, Application Programming Interface (API), Version Control, Network Administration, Software Design Patterns, JSON, Software-Defined Networking
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Persistence, JSON, User Interface (UI), User Interface and User Experience (UI/UX) Design, Databases, Interactive Data Visualization, Debugging, Database Management, Application Development, Mobile Development, Real Time Data, Application Programming Interface (API), Data Management
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Security, Responsible AI, Data Ethics, LLM Application, Generative AI, Google Gemini, Artificial Intelligence, Cloud Security, Governance Risk Management and Compliance, Cyber Security Strategy, Security Strategy, Artificial Intelligence and Machine Learning (AI/ML), Computer Security Awareness Training, Network Security, Security Management, Cyber Attacks, Cyber Security Policies, Natural Language Processing, Risk Management, Supply Chain
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Development Tools, JavaScript Frameworks, Restful API, Front-End Web Development, TypeScript, Web Applications, Server Side, Debugging
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, Retrieval-Augmented Generation, Model Deployment, AI Enablement, Make.com, Generative Model Architectures, LLM Application, Cloud Deployment, Embeddings, Software Documentation, Unit Testing, Key Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Full-Stack Web Development, Node.JS, User Interface (UI), Restful API, Swift Programming, JavaScript Frameworks, Mobile Development, Application Programming Interface (API), Database Software, Web Development, Back-End Web Development, Development Environment, MongoDB, Javascript, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Object Oriented Programming (OOP), Issue Tracking, Gherkin (Scripting Language), Test Automation, Behavior-Driven Development, Test Execution Engine, Test Case, Debugging, Integration Testing, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Vector Databases, User Interface (UI) Design, OpenAI API, AI Personalization, Embeddings, UI/UX Research, Application Development, Artificial Intelligence, Data Processing, Database Management, Restful API, Web Development
Intermediate · Guided Project · Less Than 2 Hours