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

Skills you'll gain: Plotly, Object Oriented Programming (OOP), Matplotlib, Pandas (Python Package), Plot (Graphics), Data Visualization, Interactive Data Visualization, Seaborn, Data Analysis, File I/O, NumPy, Data Visualization Software, Data Structures, Restful API, Python Programming, Application Programming Interface (API), Data Manipulation, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: React.js, Cascading Style Sheets (CSS), JavaScript Frameworks, UI Components, Front-End Web Development, User Interface (UI), Application Frameworks, Application Programming Interface (API), Web Development Tools
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Security Testing, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security
Intermediate · Course · 1 - 4 Weeks

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)
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, AI Integrations, Tensorflow, Solution Architecture, Model Evaluation, Apache Airflow, Model Optimization, Systems Design, Transfer Learning, Unit Testing, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Web Servers, Distributed Computing, Network Troubleshooting, Server Side, Web Applications, Middleware, Servers, Network Monitoring, Network Architecture, System Programming, Network Protocols, Systems Architecture, Systems Design, TCP/IP, Computer Networking, Network Performance Management, System Design and Implementation, Microservices, Software Development, Application Programming Interface (API)
Build toward a degree
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Gemini, OpenAI API, Multimodal Prompts, Tool Calling, OpenAI, Cloud API
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: AI Workflows, Tool Calling, OAuth, Model Context Protocol, AI Orchestration, AI Integrations, Generative AI Agents, Interoperability, Agentic Workflows, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Software Design Patterns, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud-Based Integration, Cloud API, Application Programming Interface (API), API Gateway, Google Cloud Platform, Virtual Machines, Proxy Servers, Virtual Networking
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Role-Based Access Control (RBAC), Kubernetes, User Provisioning, Authorization (Computing), Identity and Access Management, User Accounts, Cloud-Native Computing, Cloud API, Security Testing, Containerization, Application Programming Interface (API), Cloud Engineering
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Authentications, OAuth, Back-End Web Development, Event-Driven Programming, Database Management, Object-Relational Mapping, Databases, Authorization (Computing), Redis, Secure Coding, Restful API, Data Modeling, API Design, Email Automation
Intermediate · Course · 3 - 6 Months