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.

Skills you'll gain: Cascading Style Sheets (CSS), Debugging, Search Engine Optimization, jQuery, PHP (Scripting Language), Hypertext Markup Language (HTML), MySQL, WordPress, Keyword Research, Web Applications, Application Programming Interface (API), Web Development, Content Management Systems, Web Design and Development, Linux Commands, DevOps, Javascript, Application Deployment, Content Optimization, Program Development
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Salesforce Development, Salesforce, Systems Integration, Data Integration, Web Services, Application Programming Interface (API), Software Design Patterns, Software Design, Enterprise Architecture, Restful API, Complex Problem Solving, Business Solutions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, JUnit, Restful API, Spring Boot, Unit Testing, Java Programming, Java, Hibernate (Java), Model View Controller, Java Platform Enterprise Edition (J2EE), Web Services, Object-Relational Mapping, Software Testing, Test Script Development, Apache Maven, Data Access, Databases, Database Management, Web Applications, Gradle
Beginner · Course · 3 - 6 Months

Google Cloud
Skills you'll gain: Generative AI, AI powered creativity, Cloud Development, Cloud Applications, Cloud Deployment, Google Cloud Platform, Cloud Computing, Cloud API, Blockchain, Cloud Storage, Cloud-Based Integration, Model Deployment, Application Programming Interface (API)
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Secure Coding, Frontend Performance
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Retrieval-Augmented Generation, Marketing Automation, Email Automation, Content Scheduling, ChatGPT, Email Marketing, AI Product Strategy, AI Personalization, Digital Marketing Tools, OpenAI API, LLM Application, Social Media Content, Social Media Management, Automation, Generative AI Agents, Generative AI, Data-Driven Decision-Making, AI Workflows, Blogs, Social Media
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Generative Model Architectures, GitHub Copilot, Retrieval-Augmented Generation, Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Embeddings, Gemini, Software Development Tools, Fine-tuning, AI Integrations
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Software Design Patterns, Unified Modeling Language, Software Design, Java, Java Programming, Software Architecture, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, API Design, Software Development, Diagram Design
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Debugging, Test Case, Test Tools, Selenium (Software), Software Testing, Development Testing, API Testing, Integration Testing, Maintainability, Test Engineering, Business Process Automation, Automation, Code Reusability, Scalability
Advanced · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Core Data (Software), Mobile Development, Secure Coding, Application Deployment, Scalability, User Interface (UI) Design, UI Components, Integrated Development Environments, Apple software proficiency, User Interface (UI), Back-End Web Development, Debugging, Data Persistence, Data Management, Performance Tuning, Programming Principles
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Kotlin, Android Jetpack, Cross Platform Development, Mobile Development, Cloud Deployment, Android Development, Mobile Development Tools, Code Reusability, Back-End Web Development, UI Components, Server Side, Google Cloud Platform, Cloud Development, Frontend Integration, MongoDB, Interoperability, User Interface (UI), Web Applications, Systems Integration, Restful API
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Development Environment, Front-End Web Development, OpenAI API, Web Design and Development, AI Integrations, React.js, UI Components, Software Development Tools, Back-End Web Development, Web Development, Cascading Style Sheets (CSS), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months