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: API Design, Application Programming Interface (API), Restful API, Postman API Platform, Flask (Web Framework), MySQL, Databases, Software Versioning, Software Development, Design
Beginner · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Infrastructure as Code (IaC), Containerization, CI/CD, AWS CloudFormation, Cloud Deployment, Amazon CloudWatch, Serverless Computing, Docker (Software), Amazon Web Services, Continuous Deployment, Kubernetes, API Gateway, Continuous Integration, DevOps, Amazon DynamoDB, System Monitoring, Event Monitoring
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Algorithms, Debugging, Java, Computer Programming, Software Design, Programming Principles, Object Oriented Programming (OOP), Program Development, Data Analysis Software, Data Import/Export, File I/O, Integrated Development Environments
Beginner · Course · 1 - 3 Months

Skills you'll gain: ChatGPT, OpenAI API, Model Deployment, LLM Application, Tool Calling, Large Language Modeling, Prompt Engineering, Application Programming Interface (API), No-Code Development, Python Programming, Software Installation, Open Source Technology, Development Environment, Data Science
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Performance Tuning, Frontend Performance, Front-End Web Development, Application Performance Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Development Environment, Java, Integrated Development Environments, Encryption, Cryptography, Virtualization and Virtual Machines, Performance Tuning, Application Programming Interface (API), Object Oriented Programming (OOP), Scalability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, Database Design, API Design, MongoDB, Database Management, Authentications, Relational Databases, Performance Tuning, Databases, Authorization (Computing), NoSQL, SQL, Frontend Integration, Node.JS, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Retrieval-Augmented Generation, OpenAI API, LangGraph, AI Workflows, Large Language Modeling, AI Orchestration, Responsible AI, Generative AI, Agentic systems, Prompt Engineering, Generative AI Agents, Natural Language Processing, Cloud Development, Application Programming Interface (API), Python Programming, Application Deployment, Data Processing, Pandas (Python Package)
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Test Script Development, API Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Business Logic, Application Deployment, Decision Support Systems, Business Process Automation, Test Case, Verification And Validation, Automation, Program Development, Computer Programming, Docker (Software), Model Evaluation, Complex Problem Solving, Application Programming Interface (API)
Intermediate · Guided Project · Less Than 2 Hours