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.

AI CERTs
Skills you'll gain: Vibe coding, Programming Principles, Prompt Engineering, OpenAI API, LangChain, Generative AI Agents, AI Enablement, Artificial Intelligence, Generative AI, Responsible AI, Computer Programming, Application Development, AI Product Strategy, Artificial Intelligence and Machine Learning (AI/ML), No-Code Development, Debugging
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, LLM Application, AI Workflows, OpenAI API, Tool Calling, Retrieval-Augmented Generation, Prompt Engineering, Agentic systems, Data Pipelines
Intermediate · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Web Scraping, Data Integration, Data Cleansing, Data Import/Export, Data Quality, Data Preprocessing, Data Collection, Data Wrangling, Data Manipulation, SQL, Databases, Query Languages, Extensible Markup Language (XML), Pandas (Python Package), Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Web Services, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, Data Structures
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, JSON, Web Applications, Software Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, JSON, Program Development, Data Structures, Code Review, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), Scalability
Beginner · Specialization · 3 - 6 Months

Tencent Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Solutions, Cloud Computing, Cloud Infrastructure, Solution Architecture, Serverless Computing, Cloud Services, Network Architecture, Microservices, Virtual Networking, API Gateway, Scalability, Load Balancing, Performance Tuning, Disaster Recovery
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Application Deployment, Cloud Deployment, Cloud-Native Computing, Scalability, Containerization, Continuous Deployment, Docker (Software), Cloud Applications, Cloud Management, API Gateway, Devops Tools, Cloud Storage, Network Troubleshooting, Authentications, DevOps, Google Cloud Platform, Test Case, Network Protocols, Application Programming Interface (API)
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Serverless Computing, Cloud Applications, Back-End Web Development, Cloud Development, Database Development, Cloud API, Data Store, Cloud Deployment, Google Cloud Platform, Data Management, User Accounts
Beginner · Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: OpenShift, Kubernetes, Cloud Management, Network Administration, Cloud Computing Architecture, Virtual Networking, Containerization, Network Troubleshooting, System Configuration, API Testing
Beginner · Course · 1 - 3 Months