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: API Testing, Restful API, Application Programming Interface (API), Test Script Development, Java Programming, JSON, Data Validation, Test Automation, Test Case, Development Environment, Verification And Validation, Back-End Web Development
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Cross Platform Development, Mobile Development Tools, .NET Framework, Authentications, User Interface (UI), Application Programming Interface (API), Application Frameworks, UI Components, C# (Programming Language), Development Environment, User Interface (UI) Design, Identity and Access Management, Authorization (Computing), Network Troubleshooting, Role-Based Access Control (RBAC), Software Design Patterns
★ 4.3 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Quality (SQA/SQC), Test Automation
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Access, Object Oriented Design, Relational Databases, Object Oriented Programming (OOP), Database Software, JUnit, Data Integrity, SQL, Database Development, Java, Java Programming, Database Management, Databases
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JSON, Application Programming Interface (API), Application Development, Data Access, Restful API, Python Programming, Program Development, User Interface (UI)
★ 4.2 (13) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Snowflake Schema, Performance Tuning, Data Architecture, User Accounts, Extract, Transform, Load, Data Warehousing, SQL, Database Architecture and Administration, Database Management, Data Modeling, Data Transformation, Data Import/Export, Cloud Computing Architecture, Data Integration, Cloud-Based Integration, Role-Based Access Control (RBAC), Data Governance, Data Security
★ 3 (30) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Model Training, Applied Machine Learning, Google Cloud Platform, Image Analysis, Model Deployment, Computer Vision, Machine Learning, Predictive Analytics, Cloud Storage, Cloud API
★ 5 (6) · Intermediate · Project · Less Than 2 Hours

Duke University
Skills you'll gain: LLM Application, Large Language Modeling, Model Deployment, Embeddings, Application Programming Interface (API), Restful API, Natural Language Processing, Command-Line Interface, Open Source Technology, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Responsive Web Design, Code Reusability, Web Development Tools, Application Deployment, Database Management, Web Applications, Data Store, Databases, Frontend Integration, Authentications, Application Development, JavaScript Frameworks, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Application Programming Interface (API), Web Language
★ 5 (6) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Containerization, Cloud-Native Computing, Infrastructure Security, Role-Based Access Control (RBAC), Security Controls, Linux Administration, Data Maintenance, Data Storage Technologies, Systems Architecture, Command-Line Interface, Authorization (Computing), System Configuration, Authentications
★ 4.5 (11) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Memory Management, Authentications
Intermediate · Course · 1 - 4 Weeks