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.

Packt
Skills you'll gain: Deepseek, DeepSeek API, LLM Application, Model Deployment, Generative AI Agents, Prompt Engineering, AI Workflows, Tool Calling, OpenAI, AI Orchestration, Agentic Workflows, Large Language Modeling, Fine-tuning, Prompt Patterns, Legal Technology, Model Optimization, Model Training, Gemini, Deep Learning, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AI Workflows, Model Context Protocol, AI Orchestration, Agentic Workflows, Generative AI Agents, Software Testing, Email Automation, AI Integrations, Model Deployment, Prompt Engineering, Retrieval-Augmented Generation, Customer Support, Artificial Intelligence, Agentic systems, Large Language Modeling, OpenAI API, Tool Calling, Automation, Vector Databases
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Unified Modeling Language, Software Design, Software Design Documents, Object Oriented Design, Diagram Design, Image Analysis, Python Programming, Jupyter, Software Engineering, Application Programming Interface (API), Computer Vision, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Deepseek, Fine-tuning, Legal Technology, Model Optimization, Cloud Deployment, LLM Application, Deep Learning, Model Training, Transfer Learning, MLOps (Machine Learning Operations), AI Workflows, Gemini, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Performance Tuning, Generative AI Agents, Data Science
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Performance Tuning, Postman API Platform, Restful API, Application Programming Interface (API), Data Validation, Authentications, Frontend Integration, React.js, API Testing, Authorization (Computing), Secure Coding, Object-Relational Mapping, API Design, Scalability, JavaScript Frameworks, JSON, Test Tools, Web Development, Python Programming
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, OpenAI, Artificial Intelligence, Generative AI, Development Environment, Tool Calling, AI literacy, AI Integrations, User Interface (UI), Python Programming, Large Language Modeling, Software Development Tools
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, OpenAI API, Education Software and Technology, Generative AI, AI Integrations, OpenAI, Scripting, Scripting Languages, Python Programming, Application Programming Interface (API), Application Development, Machine Learning, Software Engineering
Intermediate · Guided Project · Less Than 2 Hours

Cisco Learning and Certifications
Skills you'll gain: Ansible, Devops Tools, Development Environment, Postman API Platform, Network Model, Restful API, Authentications, YAML, Software Development Tools, Software Development Methodologies, IT Automation, CI/CD, DevOps, Network Engineering, Network Architecture, Network Administration, Application Programming Interface (API), Scripting, Network Protocols, Network Routing
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: R (Software), Tidyverse (R Package), Web Scraping, Data Manipulation, Data Wrangling, R Programming, Data Transformation, Memory Management, Data Cleansing, Data Science, Statistical Programming, Data Integration, Data Processing, Text Mining, Data Import/Export, Web Services, Data Analysis, Data Structures, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Ajax, Javascript, Data Structures, Debugging, JSON, Web Development, Web Applications, Cascading Style Sheets (CSS), Computer Programming, HTML and CSS, Event-Driven Programming, Software Development, Git (Version Control System), Hypertext Markup Language (HTML), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months