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: Retrieval-Augmented Generation, LLM Application, Data Flow Diagrams (DFDs), Prompt Engineering, AI Integrations, Generative AI, Embeddings, Diagram Design, Large Language Modeling, Vector Databases, Data Pipelines, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Application Programming Interface (API), Object-Relational Mapping, Maintainability, Secure Coding, Data Persistence, Application Frameworks, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Server Side, Java Programming, Verification And Validation, Maintainability, Enterprise Application Management, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Frontend Integration, Performance Tuning, Enterprise Architecture, Service Oriented Architecture, Authentications, Authorization (Computing), Scalability, TypeScript, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Prompt Patterns, Embeddings, Image Analysis, Responsible AI, AI Workflows, OpenAI, LLM Application, AI Integrations, Cloud Deployment, Cloud Applications, Multimodal Prompts, Memory Management, Hugging Face, Vector Databases, Software Engineering
★ 4.5 (347) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Development Testing, Test Case, Frontend Performance, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Frontend Integration, Enterprise Architecture, User Interface (UI), Application Frameworks, JavaScript Frameworks, Scalability, Software Architecture, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Security Controls, Technical Documentation, Collaboration, Dashboard, Collaborative Software, Report Writing, Sprint Retrospectives, Team Building, Multi-Factor Authentication, Document Management, Workflow Management, Performance Testing, Taking Meeting Minutes, Content Management, IT Automation, Cross-Functional Collaboration, Performance Stress Testing, System Configuration, Content Creation
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Web Development Tools, Vibe coding, Application Programming Interface (API), Git (Version Control System), Application Development, GitHub, AI Integrations, Version Control, Application Deployment, API Design, Software As A Service, Full-Stack Web Development, Web Design and Development, Web Development, Generative AI, Application Design, Web Applications, User Interface (UI), Authentications, Data Storage
Beginner · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: AI Security, Claude Code, Responsible AI, AI Integrations, Prompt Engineering, DevSecOps, Secure Coding, Prompt Engineering Tools, Information Privacy, Security Testing, Application Security, Vulnerability Scanning, Code Review, CI/CD, AI literacy, Vulnerability Assessments, AI Orchestration, Security Awareness, GitHub, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Generative AI, Performance Tuning, Data Migration, Grafana, LangChain, LLM Application, Metadata Management, Containerization, Document Management, Data Infrastructure, Role-Based Access Control (RBAC), Database Architecture and Administration, Infrastructure Architecture, Large Language Modeling, Query Languages, Quantitative Research, Data Modeling, Docker (Software)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Middleware, React Redux, React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Frontend Performance, Scalability, Application Programming Interface (API), Web Design and Development, HTML and CSS, Front-End Web Development, Maintainability, UI Components, Cascading Style Sheets (CSS), Software Development Tools, JavaScript Frameworks, Authorization (Computing), Data Validation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Architecture, Data Infrastructure, LLM Application, Data Quality, AI Workflows, Generative AI, Data Governance, Data Pipelines, Extract, Transform, Load, Distributed Computing, AI Integrations, Data Management, Self Service Technologies, Cloud Storage, Data Processing, Data Storage, Scalability, Data Wrangling, Data Collection
Beginner · Course · 1 - 4 Weeks