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: Full-Stack Web Development, Javascript, Web Development Tools, Jest (JavaScript Testing Framework), Web Design and Development, Object Oriented Programming (OOP), Web Development, Application Programming Interface (API), HTML and CSS, Back-End Web Development, Web Applications, JSON, Restful API, Event-Driven Programming, Application Development, Application Deployment, Unit Testing, Programming Principles, Data Structures, Prototyping
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java, Development Environment, Scalability, Load Balancing, Data Integration, Restful API, Configuration Management, Application Performance Management, Continuous Deployment, Web Applications, Javascript and jQuery
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Event-Driven Programming, Google Cloud Platform, Cloud Applications, Serverless Computing, Cloud Development, Cloud API, Microservices, Cloud Services, Cloud Security, Application Deployment
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Ajax, jQuery, JSON, Extensible Markup Language (XML), Web Applications, Javascript, Web Development Tools, Application Programming Interface (API), Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Microsoft Azure, Large Language Modeling, OpenAI, Application Deployment, Prompt Engineering, Application Development, Application Programming Interface (API), GitHub, Automation, Scalability
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Programming Principles, Python Programming, Scripting, Data Cleansing, Automation, Computational Thinking, Computer Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, iOS Development, Core Data (Software), Mobile Development, Secure Coding, User Interface (UI), Application Deployment, Scalability, User Interface (UI) Design, UI Components, Debugging, Data Management, Model View Controller, Performance Tuning, Programming Principles, Application Programming Interface (API), Application Security, Data Storage
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Blockchain, Secure Coding, Application Security, Security Engineering, Software Design Patterns, Web Applications, Application Programming Interface (API), Vulnerability Assessments, Debugging, Transaction Processing, System Programming, Scalability
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: TypeScript, Javascript, Functional Design, Object Oriented Programming (OOP), Software Design Patterns, API Design, Programming Principles, Web Development Tools, Software Development Tools, Data Structures, Development Environment, Maintainability, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Front-End Web Development, Application Development, Web Development, JavaScript Frameworks, Transaction Processing, User Interface (UI), Development Testing, Cryptography, FinTech, Emerging Technologies, Software Design, HTML and CSS, API Design, Javascript, Application Deployment, Scalability, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Shortest Path First (OSPF), Network Planning And Design, TCP/IP, Computer Networking, General Networking, Wireless Networks, Network Routing, Virtualization and Virtual Machines, Network Switches, Cloud Infrastructure, Local Area Networks, Puppet (Configuration Management Tool), Wide Area Networks, Virtual Machines, Chef (Configuration Management Tool), Real Time Data, Scripting, JSON, Automation, Application Programming Interface (API)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Application Security, Risk Management Framework, Secure Coding, Software Testing, DevSecOps, Software Development Life Cycle, Web Applications, Vulnerability Scanning, Software Development Methodologies, Application Programming Interface (API), Database Application, Software Architecture, Agile Methodology
Advanced · Course · 1 - 4 Weeks