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.

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Web Applications, Application Development, Restful API, Application Frameworks, Bootstrap (Front-End Framework), Development Environment, Model View Controller, Java Platform Enterprise Edition (J2EE), Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Continuous Delivery, Continuous Deployment, DevOps, Distributed Computing, Software Configuration Management, Containerization, Application Programming Interface (API), Security Requirements Analysis, Version Control, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Large Language Modeling, LLM Application, OpenAI API, Trend Analysis, Real Time Data, Analytics, Business Marketing, Program Development, Business Strategy, Generative AI, ChatGPT, Technology Roadmaps, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Open Web Application Security Project (OWASP), AI Security, Responsible AI, API Testing, Penetration Testing, OpenAI, OpenAI API, Exploitation techniques, Vulnerability Scanning, Generative AI, Large Language Modeling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Unstructured Data, Tensorflow, Model Deployment, Data Pipelines, Cloud API, Big Data, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Jupyter, Natural Language Processing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Infrastructure, Application Deployment, Kubernetes, Google Cloud Platform, Microservices, Cloud Computing Architecture, CI/CD, Cloud-Native Computing, Site Reliability Engineering, Cloud Security, Restful API, Network Architecture, DevOps, Cloud Storage, Service Level Agreement, System Design and Implementation, System Requirements, Service Design, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, Authentications
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Performance Testing, Maintainability, Test Tools, Software Testing, Code Review, Test Automation, Software Technical Review, Test Planning, Scripting, Risk Analysis, Software Quality Assurance, Test Script Development, Continuous Integration, CI/CD, Regression Testing, Code Coverage, Test Case, Quality Assurance, Security Testing
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, JSON, Program Development, Data Structures, Code Review, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), Scalability
Beginner · Specialization · 3 - 6 Months

Codio
Skills you'll gain: Go (Programming Language), Object Oriented Programming (OOP), Web Services, Web Frameworks, Debugging, Python Programming, Restful API, Dependency Analysis, Performance Tuning, Software Engineering
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Application Programming Interface (API), Application Frameworks, Web Development, Program Development, Python Programming, Computer Programming, GitHub
Advanced · Course · 1 - 4 Weeks