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.

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: Apple iOS, iOS Development, Secure Coding, Encryption, Network Security, Application Programming Interface (API), Swift Programming, Mobile Security, Application Security, Data Persistence, Key Management, Data Security, Data Storage
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Apple iOS, iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Role-Based Access Control (RBAC), Vulnerability Assessments, Mobile Security, Software Testing, Mobile Development, Secure Coding, Authentications, Unit Testing, Application Security, Encryption, Security Testing, IT Security Architecture, Network Security, Application Programming Interface (API), Authorization (Computing), Mobile Development Tools
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Data Manipulation, Data Cleansing, Data Integration, Data Preprocessing, Data Import/Export, Data Collection, Data Management, Web Scraping, Data Access, R Programming, MySQL, Application Programming Interface (API)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Agentic Workflows, Deepseek, Automation, DeepSeek API, OpenAI API, Agentic systems, Google Sheets
Intermediate · Course · 3 - 6 Months

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: Vector Databases, Semantic Web, Web Analytics and SEO, Embeddings, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

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

KodeKloud
Skills you'll gain: AWS SageMaker, Model Deployment, MLOps (Machine Learning Operations), Data Governance, Data Security, Application Deployment, Personally Identifiable Information, Cloud Deployment, General Data Protection Regulation (GDPR), Continuous Deployment, Model Evaluation, Application Programming Interface (API), Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Prompt Engineering, Multimodal Prompts, Prompt Patterns, Prompt Engineering Tools, LLM Application, LangChain, Large Language Modeling, Responsible AI, Generative AI Agents, OpenAI, Generative AI, AI Personalization, Context Management, Natural Language Processing, CI/CD, Python Programming, Pandas (Python Package), Scalability, Application Development, Safety and Security
Beginner · Course · 1 - 4 Weeks