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.

Codio
Skills you'll gain: Model View Controller, Test Driven Development (TDD), Restful API, Vue.JS, Full-Stack Web Development, Frontend Integration, JavaScript Frameworks, Web Applications, Application Programming Interface (API), Unit Testing, Server Side, Web Components, Software Design Patterns, Javascript, HTML and CSS, Event-Driven Programming, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Cloud API, Google Cloud Platform, Metadata Management, Data Governance, Cloud Management, Cloud Computing, Data Analysis
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Salesforce Development, Salesforce, Systems Integration, Data Integration, Web Services, Application Programming Interface (API), Software Design Patterns, Software Design, Enterprise Architecture, Restful API, Complex Problem Solving, Business Solutions
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Programming Principles, Java, Data Structures, Program Development, Object Oriented Programming (OOP), Computer Programming, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Data Pipelines, Data Processing, AI Personalization, Dimensionality Reduction, OpenAI API, Data Manipulation, Pandas (Python Package), Data Transformation, Unsupervised Learning, Applied Machine Learning, Embeddings, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Model Context Protocol, Docker (Software), Development Environment, LLM Application, Containerization, Large Language Modeling, Model Deployment, Hugging Face, MLOps (Machine Learning Operations), Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, OpenAI API, Application Deployment, Agentic Workflows, Agentic systems, Jupyter
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, CI/CD, Containerization, Hybrid Cloud Computing, Application Deployment, Cloud Computing Architecture, Cloud Engineering, Docker (Software), Cloud Computing, Restful API, Kubernetes, Infrastructure as Code (IaC), Cloud Infrastructure, Cloud Deployment, Microservices, Disaster Recovery, Cloud Services, Multi-Cloud, Solution Architecture, Application Design
Advanced · Course · 1 - 3 Months
Skills you'll gain: Istio, Kubernetes, Hybrid Cloud Computing, Cloud Infrastructure, Multi-Cloud, Cloud-Native Computing, Cloud Platforms, Cloud Management, Configuration Management, Google Cloud Platform, Microservices, vSphere DRS & HA, Software Configuration Management, Authentications, Load Balancing, Cyber Security Policies, System Monitoring, API Gateway, Git (Version Control System), Real Time Data
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Scripting, Email Automation, Google Workspace, Google Sheets, Automation, Spreadsheet Software, Scripting Languages, Gmail, Javascript, Hypertext Markup Language (HTML), Web Applications, Application Design, Application Development, Application Programming Interface (API), User Interface (UI)
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: CI/CD, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Azure DevOps Pipelines, Middleware, Software Testing, API Design, Azure DevOps, Security Controls, Postman API Platform, API Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Integration, Microsoft Azure, Authorization (Computing), Azure Active Directory, Event-Driven Programming, Cloud Infrastructure, Authentications, Data Storage Technologies, Cloud Storage, Disaster Recovery, Data Architecture, Cloud Computing Architecture, Database Design, Cloud Security, IT Security Architecture, Role-Based Access Control (RBAC), Application Design, Application Programming Interface (API), Application Deployment, Identity and Access Management
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Node.JS, Full-Stack Web Development, Web Applications, Authentications, Server Side, JavaScript Frameworks, Back-End Web Development, Restful API, Middleware, Database Application, Dataflow, Data Validation, NoSQL, TypeScript, Application Programming Interface (API), Object-Relational Mapping, Authorization (Computing), MongoDB, Databases, MySQL
Intermediate · Course · 1 - 3 Months