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.

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Application Programming Interface (API), Web Design, Semantic Web, Usability, Web Applications, Web Development, Test Tools, Web Content, Front-End Web Development, Data Structures, Application Frameworks, Network Protocols, Data Ethics
★ 4.8 (15) · Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Prompt Engineering, ChatGPT, Security Testing, AI Security, Responsible AI, API Testing, AI Integrations, Penetration Testing, OpenAI, Exploitation techniques, Vulnerability Scanning, Generative AI
★ 4.1 (22) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Deployment, LLM Application, LangChain, Large Language Modeling, Microservices, Test Driven Development (TDD), Software Architecture, Scalability, MLOps (Machine Learning Operations), Cloud Deployment, Cloud Computing Architecture, API Design, Site Reliability Engineering, Kubernetes, Prompt Engineering, Containerization, Infrastructure as Code (IaC), Python Programming, Performance Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
★ 4.6 (30) · Intermediate · Specialization · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Orchestration, AI Workflows, CrewAI, LangGraph, Agentic Workflows, LLM Application, LangChain, Large Language Modeling, Agentic systems, Generative AI Agents, AI Integrations, Application Deployment, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture, Systems Architecture, Context Management, API Design, Software Design, Data Validation, Memory Management
★ 4.2 (9) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, LLM Application, Generative Adversarial Networks (GANs), Retrieval-Augmented Generation, OpenAI, Hugging Face, OpenAI API, Multimodal Prompts, Responsible AI, AI Security, Autoencoders, Model Deployment, Fine-tuning, Application Deployment
★ 4.2 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Google App Engine, Microservices, Cloud Applications, Kubernetes, Service Level, Cloud Deployment, Infrastructure As A Service (IaaS), Terraform, Cloud Computing, API Design, Cloud Services, Cloud Management, Restful API, Cloud Storage, Cloud Computing Architecture, Cloud-Native Computing, Service Level Agreement
★ 4.9 (722) · Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Wrangling, Data Integration, Data Manipulation, JSON, Data Transformation, Relational Databases, R (Software), Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Data Structures, File I/O, Application Programming Interface (API)
★ 4.7 (51) · Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Regression Testing, Kubernetes, Docker (Software), Feature Engineering, Containerization, Software Documentation, Data Pipelines, Git (Version Control System), Apache Airflow, Technical Documentation, Microservices, CI/CD, Unit Testing, API Design, Decision Intelligence, Performance Metric, Python Programming, Version Control
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangChain, LLM Application, Large Language Modeling, AI Workflows, Retrieval-Augmented Generation, Embeddings, Generative AI, Tool Calling, Fine-tuning, Prompt Engineering, PyTorch (Machine Learning Library), Tensorflow, Semantic Web, Natural Language Processing, Artificial Intelligence, Application Development, Analytical Skills, Application Programming Interface (API), Supervised Learning, Computer Programming Tools
★ 3.5 (25) · Beginner · Specialization · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Web Services, Cloud API, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Cloud Development, Cloud Applications, Google Cloud Platform, Cloud Platforms, Cloud Services, Flask (Web Framework), Distributed Computing, Containerization, Systems Architecture, Docker (Software), Cloud-Based Integration, Virtualization, Restful API, Computer Architecture
Intermediate · Course · 1 - 3 Months