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: Application Programming Interface (API), AI Integrations, Restful API, ChatGPT, Generative AI, OpenAI API, JSON, Full-Stack Web Development, Application Deployment, Secure Coding, LLM Application, User Interface (UI), Python Programming, User Interface (UI) Design, Application Development, Back-End Web Development, Debugging
★ 3.6 (14) · Intermediate · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: Prompt Engineering, OpenAI API, Multimodal Prompts, Generative AI, Photo Editing, OpenAI, Animations, Computer Graphics, Application Programming Interface (API), Graphic and Visual Design
★ 4.3 (12) · Beginner · Course · 1 - 4 Weeks

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: 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: ASP.NET, Restful API, Web Development, Object-Relational Mapping, Web Applications, User Accounts, Data Integrity, Single Sign-On (SSO), .NET Framework, API Design, Application Programming Interface (API), Database Application, Authentications, Back-End Web Development, Performance Tuning, Authorization (Computing), Data Management, Relational Databases, Identity and Access Management, Model View Controller
★ 4.7 (38) · Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Multimodal Prompts, Gemini, Prompt Engineering, Google Gemini, Prompt Patterns, LLM Application, Tool Calling, Large Language Modeling, Token Optimization, Application Programming Interface (API), Image Analysis
★ 4.8 (39) · Beginner · Project · Less Than 2 Hours

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

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.6 (54) · Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Automation, Test Tools, Maintainability, Verification And Validation, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Code Reusability, Authentications, Compliance Reporting, Automation
★ 4.7 (7) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Meta Ads Manager, Content Creation, Facebook, Target Market, Social Media, Social Media Marketing, Social Media Content, Bidding, Online Advertising, Pay Per Click Advertising, Performance marketing, Social Media Campaigns, Content Scheduling, Pinterest, Advertising Campaigns, Social Media Strategy, Marketing, Brand Strategy, Social Media Management, Digital Advertising
★ 4.6 (9) · Beginner · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Embeddings, Large Language Modeling, LLM Application, Anomaly Detection, Retrieval-Augmented Generation, Prompt Engineering, Generative AI, Google Cloud Platform, Text Mining, Natural Language Processing, Vector Databases, Unsupervised Learning, Python Programming
★ 4.8 (68) · Beginner · Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, AI Orchestration, SQL, LLM Application, Query Languages, Generative AI Agents, OpenAI API, Microsoft Azure, Tool Calling, OpenAI, Natural Language Processing, Large Language Modeling
★ 4.5 (54) · Beginner · Project · Less Than 2 Hours