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 Pittsburgh
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, Virtualization, Cloud Platforms, Virtual Machines, Data Infrastructure, Scalability, NoSQL, Cloud Storage, Database Design, Database Management, Data Warehousing, MongoDB, MySQL, SQL, Application Programming Interface (API), Python Programming, Git (Version Control System)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, JavaScript Frameworks, Development Environment, Application Programming Interface (API), Microsoft Development Tools, Web Development, Microsoft Visual Studio, Maintainability, Software Design, UI Components, Data Validation, Version Control
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Pipelines, MLOps (Machine Learning Operations), Systems Design, Transfer Learning, Data Preprocessing, Data Quality, Feature Engineering, Deep Learning, Model Evaluation, Python Programming, Data Validation, Scikit Learn (Machine Learning Library), Predictive Modeling, Software Engineering, Applied Machine Learning, Debugging, Supervised Learning, Git (Version Control System), Performance Metric, Statistical Analysis
Intermediate · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Hugging Face, Generative AI, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Agentic systems, AI Workflows, Hugging Face, CrewAI, Embeddings, Transfer Learning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Planning, Debugging, Browser Compatibility, Performance Testing, Security Testing, Software Testing, System Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Integration Testing, Test Case, Test Automation, Test Tools, Development Environment, Code Review, Continuous Delivery
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Restful API, Flask (Web Framework), Application Deployment, Unit Testing, Python Programming, Web Applications, Software Development Life Cycle, IBM Cloud, Artificial Intelligence, Code Review, Integrated Development Environments, Natural Language Processing, Programming Principles
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Cryptography, Development Testing, Application Development, Transaction Processing, Emerging Technologies, Integrated Development Environments, Software Architecture, Network Protocols, Encryption, Web Applications, Program Development, Distributed Computing, Application Programming Interface (API), Microsoft Azure, FinTech, Development Environment, Web Language, Web Development Tools
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Endpoint Security, Zero Trust Network Access, IT Security Architecture, Data Security, Cloud Security, Cyber Security Strategy, Microsoft Azure, Security Information and Event Management (SIEM), Security Controls, Cybersecurity, Threat Modeling, Cyber Threat Intelligence, Application Security, Cyber Security Policies, API Design, Infrastructure Security, Regulatory Compliance, Security Requirements Analysis, Identity and Access Management, Compliance Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Unit Testing, Test Driven Development (TDD), Programming Principles, Software Testing, Data Structures, Python Programming, Computer Programming, Development Environment, Integrated Development Environments, Debugging, Django (Web Framework), Cloud Hosting
Beginner · Course · 1 - 3 Months
Skills you'll gain: Salesforce, Business Process Automation, Robotic Process Automation, Salesforce Development, Automation, Enterprise Architecture, AI Workflows, Enterprise Application Management, Business Transformation, Technical Consulting, Governance, Change Management, Systems Architecture, Scalability, Performance Measurement, Consulting, Application Programming Interface (API), API Design, Program Development, Generative AI
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Lightweight Directory Access Protocols, Active Directory, Windows PowerShell, Open Web Application Security Project (OWASP), Exploitation techniques, Security Testing, API Testing, Vulnerability Scanning, Cloud Security, Windows Servers, Cyber Security Assessment, Azure Active Directory, IT Automation, Scripting, Application Programming Interface (API), Microsoft Azure, Vulnerability Assessments, MySQL Workbench, Cloud Computing
Intermediate · Course · 3 - 6 Months