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: Node.JS, Back-End Web Development, Full-Stack Web Development, API Testing, MongoDB, Payment Processing, Order Management, Application Programming Interface (API), Restful API, Payment Systems, Scheduling, Order Processing, Data Processing, Inventory Management System, Data Validation, Software Development, Database Design, Authorization (Computing), Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, File Transfer Protocol (FTP), Middleware, Transaction Processing, Verification And Validation, Data Integration, Fraud detection, Web Services, Integration Testing, Data Validation, Simple Object Access Protocol (SOAP), Development Testing, Enterprise Architecture, Business Process Automation, Process Driven Development, Process Modeling, Oracle Databases, Test Tools, API Testing, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: React Redux, React.js, Application Deployment, Cloud Deployment, JavaScript Frameworks, Code Reusability, Software Architecture, Context Management, Frontend Integration, Cascading Style Sheets (CSS), Application Programming Interface (API), UI Components, Restful API, Data Persistence, User Interface and User Experience (UI/UX) Design, Debugging
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

Skills you'll gain: LangChain, LLM Application, Prompt Patterns, Prompt Engineering, Model Deployment, Large Language Modeling, Token Optimization, Application Programming Interface (API), Application Deployment, Retrieval-Augmented Generation, LangGraph, OpenAI, Containerization, Continuous Deployment, Postman API Platform, Artificial Intelligence, Continuous Integration, Amazon Web Services, Authentications, Performance Analysis
Advanced · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Istio, Virtual Networking, Cloud Applications, Google Cloud Platform, Cloud-Native Computing, Application Deployment, General Networking, Network Infrastructure
Advanced · Project · Less Than 2 Hours

Skills you'll gain: API Testing, Integration Testing, Continuous Deployment, Microservices, Software Versioning, Test Script Development, Continuous Integration, Test Automation, CI/CD, API Design, Verification And Validation
Advanced · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Django (Web Framework), Development Environment, Authentications, Model View Controller, Web Development, Secure Coding, Program Development, Software Installation, Application Frameworks, Integrated Development Environments, System Configuration, Application Deployment, API Design, Relational Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OpenAI API, AI Integrations, Agentic Workflows, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: API Gateway, Cloud API, Application Programming Interface (API), Google Cloud Platform, Proxy Servers, Network Support, Server Side
Beginner · Project · Less Than 2 Hours