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.

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Application Frameworks, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Extensible Markup Language (XML), Full-Stack Web Development, Application Security, Object-Relational Mapping
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Software, Query Languages, Database Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, AI Workflows, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Advancing Women in Tech
Skills you'll gain: Prompt Patterns, AI literacy, AI Personalization, Communication Strategies, Model Context Protocol, Analytical Skills, Simulations, Gap Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, OpenAI, Generative AI Agents, LLM Application, Dashboard Creation, Large Language Modeling, AI Integrations, Model Deployment, Back-End Web Development, Restful API, Server Side, Application Programming Interface (API), Web Development, UI Components
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: API Testing, Software Documentation, API Design, Application Programming Interface (API), Technical Documentation, Restful API, JSON, Software Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Fine-tuning, Tensorflow, Keras (Neural Network Library), Model Training, Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
Intermediate · Guided Project · Less Than 2 Hours

Simplilearn
Skills you'll gain: Email Automation, Marketing Automation, OpenAI API, Business Process Automation, AI Workflows, OpenAI, ChatGPT, Automation, Performance Tuning, Workflow Management, Generative AI, Scalability, Blogs, Process Optimization, Operational Efficiency, AI Integrations, Real Time Data, Prompt Engineering, Business Logic, Social Media Content
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Frontend Integration, CI/CD, Jenkins, Docker (Software), Spring Boot, Continuous Integration, Configuration Management, Containerization, Cloud-Native Computing, Scalability, Software Documentation, Application Deployment, Java, API Design, Java Programming, API Gateway, Back-End Web Development, JUnit, Application Programming Interface (API), React.js
Intermediate · Specialization · 1 - 3 Months

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
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transfer Learning, Fine-tuning, Tensorflow, Natural Language Processing, Keras (Neural Network Library), Embeddings, Model Training, Deep Learning, Classification Algorithms, Model Evaluation, Machine Learning, Software Visualization
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, User Interface (UI), LLM Application, AI Workflows, AI Integrations, Human Computer Interaction, Agentic Workflows, Retrieval-Augmented Generation, AI Product Strategy, Embeddings, Application Deployment, Case Studies
Intermediate · Course · 1 - 4 Weeks