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.

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), 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, Data Validation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

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 (46) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
★ 5 (16) · Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Email Automation, Google Cloud Platform, Unstructured Data, Cloud API, Jupyter, AI Integrations, Document Management, Real Time Data, Python Programming
★ 4.8 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Relational Databases, API Design, ASP.NET, Object-Relational Mapping, Databases, Query Languages, Back-End Web Development, Application Programming Interface (API), Restful API, Database Design, Data Access, Data Manipulation, C# (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: OAuth, Cloud API, Application Programming Interface (API), API Design, Restful API, Authentications, Authorization (Computing), Security Controls, Application Security, Data Security, JSON, Identity and Access Management, Cryptographic Protocols, Threat Management
★ 4.6 (841) · Beginner · Course · 1 - 4 Weeks

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
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Cloud API, Application Programming Interface (API), API Design, Cloud Services, C# (Programming Language), Server Side, Application Development, Development Environment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
★ 4.3 (31) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, ChatGPT, Prompt Engineering, OpenAI, AI Integrations, LLM Application, Python Programming
Intermediate · Guided Project · Less Than 2 Hours