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.

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), User Interface (UI), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, Web Design, Typography, API Design, Web Applications, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), React.js, Javascript, Web Development
★ 4.7 (600) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Containerization, Kubernetes, Cloud-Native Computing, Node.JS, Distributed Computing, Load Balancing, Scalability, Microservices, API Gateway, Redis, Cloud Deployment, Systems Architecture, Software Architecture, Web Applications, Event-Driven Programming, Javascript, Maintainability, Performance Tuning, OS Process Management, Development Testing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: iOS Development, Mobile Development, Apple iOS, Apple Xcode, Swift Programming, Objective-C (Programming Language), User Interface (UI), Mobile Development Tools, Application Development, UI Components, Application Programming Interface (API), Knowledge of Apple Software, Development Environment, Integrated Development Environments, Storyboarding
★ 4.6 (1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), ASP.NET, Maintainability, Object Oriented Design, .NET Framework, JSON, Development Environment, Web Development, Application Frameworks, Restful API, Code Reusability, Microsoft Development Tools, Microsoft Visual Studio, File I/O, Web Applications, UI Components, Object Oriented Programming (OOP), Back-End Web Development, Functional Design, Application Deployment
Beginner · Specialization · 3 - 6 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
★ 4.7 (78) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Apple iOS, Apple Xcode, iOS Development, Swift Programming, Image Analysis, OpenAI API, Artificial Intelligence and Machine Learning (AI/ML), Computer Vision, Large Language Modeling, Natural Language Processing, Machine Learning Methods, Knowledge of Apple Software, Machine Learning Software, Apple Hardware proficiency, LLM Application, Application Development, Applied Machine Learning, OpenAI, AI Integrations, Machine Learning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Application Deployment, OpenShift, Cloud Applications, Serverless Computing, Microservices, Istio, API Gateway, Cloud-Native Computing, Restful API, Cloud Computing, IBM Cloud, Kubernetes, Application Development, Containerization, Software Architecture, Scalability, Flask (Web Framework)
★ 4.6 (413) · Intermediate · Course · 1 - 3 Months

BITS Pilani
Skills you'll gain: Human Computer Interaction, Relational Databases, Android Development, Cryptographic Protocols, Probability & Statistics, Bash (Scripting Language), TCP/IP, Agile Software Development, Graph Theory, Theoretical Computer Science, Operating Systems, Natural Language Processing, Software Design, Internet Of Things, Version Control, Cybersecurity, Amazon Web Services, Exploratory Data Analysis, Algorithms, Restful API
Degree · 1 - 4 Years

Whizlabs
Skills you'll gain: Virtual Networking, Virtual Private Networks (VPN), Network Architecture, API Gateway, Amazon Web Services, Computer Networking, TCP/IP, Network Infrastructure, Network Planning And Design, General Networking, Network Routing, Cloud Computing Architecture, Network Security, Cloud Infrastructure, Security Controls, Firewall, Hybrid Cloud Computing, Enterprise Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Deployment, Cloud Infrastructure, Cloud Deployment, CI/CD, Cloud Security, Microservices, Service Level, Google Cloud Platform, Cloud Management, Network Architecture, API Design, Site Reliability Engineering, Cloud Computing Architecture, Kubernetes, Restful API, Infrastructure Architecture, Cloud Storage, Service Management, Cloud Computing, Disaster Recovery
★ 4.7 (7.2K) · Advanced · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Event-Driven Programming, Front-End Web Development, Javascript, Frontend Performance, Cascading Style Sheets (CSS), Web Development Tools, Debugging, Web Applications, Responsive Web Design, Animations, Web Development, Visualization (Computer Graphics), JSON, Hypertext Markup Language (HTML), Application Programming Interface (API), Animation and Game Design, User Interface (UI), Event Monitoring, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Server Side, Event-Driven Programming, Javascript, Software Architecture, Web Applications, API Design, Microservices, Software Design Patterns, Dependency Analysis, Maintainability, Interoperability, Package and Software Management, Software Testing
Intermediate · Course · 1 - 3 Months