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: JSON, Restful API, HTML and CSS, Web Design, Web Design and Development, Cloud API, Hypertext Markup Language (HTML), Web Development, Application Programming Interface (API), Cascading Style Sheets (CSS), Web Applications, Real Time Data, Javascript
★ 4.3 (48) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Microsoft Visual Studio, Application Programming Interface (API), Web Development Tools, Restful API, Microsoft Azure, Web Applications, Application Frameworks, Application Development, Development Environment, Event-Driven Programming, Middleware, Software Installation
★ 2.6 (12) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Import/Export, Data Store, Cloud API, Health Informatics, Health Information Management, Health Technology, Application Programming Interface (API), Google Cloud Platform, Cloud-Based Integration, Health Care, Data Integration, Data Modeling, Cloud Storage
★ 4.3 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Anthropic Claude, Application Programming Interface (API), LLM Application, JSON, AI Integrations, Generative AI Agents, Agentic systems, Scripting, Token Optimization, Artificial Intelligence, Automation, Development Environment
★ 4.1 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, API Design, Server Side, Application Programming Interface (API), Back-End Web Development, Microsoft Visual Studio, Web Applications, Javascript, Application Development, Integrated Development Environments
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: GitHub, Version Control, API Testing, Authentications, Software Versioning, Test Tools, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML), Software Installation
Intermediate · Course · 3 - 6 Months

★ 5 (16) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, API Testing, CI/CD, Application Programming Interface (API), Web Development Tools, Test Automation, Continuous Integration, AI Integrations, Test Script Development, Devops Tools, Key Management, Test Tools, Software Development Tools, Secure Coding, Automation, Debugging, Quality Assurance, Network Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Serverless Computing, Cloud API, Restful API, Node.JS, Microsoft Azure, Application Programming Interface (API), API Design, API Testing, Software Testing, Network Routing
★ 4.5 (118) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, Prompt Engineering, Generative AI Agents, Data Analysis, Generative AI, OpenAI, Data Visualization Software, Data Manipulation, Artificial Intelligence, Python Programming
★ 4.9 (7) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), DevSecOps, Vulnerability Assessments, Computer Security Incident Management, Vulnerability Management, Vulnerability Scanning, Application Security, Security Controls, Secure Coding, Security Testing, API Testing, Authentications, Threat Management, Hardening, Dependency Analysis, Package and Software Management, Application Programming Interface (API), Risk Analysis, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Build Tools, Authorization (Computing), Data Validation
★ 4.8 (15) · Intermediate · Course · 1 - 4 Weeks