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: Prompt Engineering, Anthropic Claude, Generative AI, LLM Application, Artificial Intelligence, Application Development, Application Programming Interface (API), Automation, Authentications, Context Management, Customer experience improvement, Content Creation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Restful API, Application Programming Interface (API), Test Automation, Postman API Platform, Data Mapping, Application Deployment, Test Tools, Scripting, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Simple Object Access Protocol (SOAP), Architectural Design, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Protocols, Application Programming Interface (API), Ajax, Web Development, General Networking, Web Applications, Scalability, Event-Driven Programming, Real Time Data, Network Analysis
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Retrieval-Augmented Generation, LangChain, Prompt Patterns, LLM Application, AI Workflows, Performance Tuning, Large Language Modeling, Prompt Engineering, AI Orchestration, Maintainability, System Monitoring, Scalability, Code Reusability, Embeddings, Vector Databases
Intermediate · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: White-Box Testing, Software Testing, Risk Analysis, Code Coverage, Test Case, Test Tools, Test Planning, Risk Management, Software Quality Assurance
★ 3.4 (8) · Advanced · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Full-Stack Web Development, Retrieval-Augmented Generation, Web Applications, JavaScript Frameworks, React.js, LLM Application, Web Development, Javascript, Tool Calling, Agentic Workflows, Generative AI Agents, Data Persistence
★ 4.7 (16) · Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Digital Transformation, Google Workspace, Cloud Management, Google Cloud Platform, Business Transformation, Collaborative Software, Cloud Applications, Cost Management, Leadership, Cloud Development, Productivity Software, Cloud Solutions, Technology Strategies, Cloud Platforms, Application Development, Cloud Computing, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Storage, Machine Learning
★ 4.5 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, Generative Model Architectures, AI Integrations, Hugging Face, Artificial Intelligence and Machine Learning (AI/ML), Object Oriented Programming (OOP), AI literacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, .NET Framework, ASP.NET, Microsoft Azure, Object-Relational Mapping, OAuth, Cloud Storage, API Gateway, Software Architecture, Payment Systems, Authentications, Data Storage, Systems Architecture, C# (Programming Language), Cloud Services, Model View Controller, Application Programming Interface (API), Software Design Patterns, Restful API, Identity and Access Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: iOS Development, Apple iOS, Apple Xcode, Swift Programming, Mobile Development, Objective-C (Programming Language), Mobile Development Tools, User Interface (UI), Application Development, User Interface (UI) Design, UI Components, Development Environment, Integrated Development Environments, Simulations, Storyboarding
★ 4.7 (34) · Beginner · Course · 1 - 4 Weeks