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.

Scrimba
Skills you'll gain: AI Integrations, Cloud Deployment, Cloud Applications, AI Security, Cloud API, Application Deployment, OpenAI API, Cloud Hosting, Model Deployment, Cloud Security, Application Programming Interface (API), Serverless Computing, LLM Application, Web Servers, Cloud Technologies, OpenAI, Distributed Computing, Debugging
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: PostgreSQL, JSON, Query Languages, SQL, Databases, Data Access, Natural Language Processing, Database Management, Data Storage, Python Programming, Scripting
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Identity and Access Management, Cloud Computing, User Provisioning, Cloud Management, Cloud Infrastructure, Cloud Security, Load Balancing, User Accounts, Cloud API, Cloud Services, Linux Servers, Apache, Web Servers, Linux Administration, System Configuration, Command-Line Interface, Debugging
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Model View Controller, .NET Framework, JSON, Application Programming Interface (API), API Design, Application Frameworks, Web Services, Middleware, Back-End Web Development, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Anthropic
Skills you'll gain: Claude Code, Anthropic Claude, Command-Line Interface, Tool Calling, Model Context Protocol, LLM Application, Software Development Tools, GitHub, Context Management, Code Review, Software Development, Generative AI Agents, Automation, Software Engineering
Mixed · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Software Architecture, Amazon DynamoDB, Database Management, Cloud Applications, Databases, Amazon Web Services, Event-Driven Programming, API Gateway, Cloud Development, Serverless Computing, Python Programming, Cloud API, Application Deployment, Service Oriented Architecture, Microservices, Programming Principles, Scripting Languages, Application Development, Web Development, Automation
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android (Operating System), Application Deployment, JSON, Web Services, Restful API, Mobile Development, Application Development, Application Programming Interface (API), Data Persistence, User Interface (UI) Design, Animations
Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Decision Tree Learning, Applied Machine Learning, Predictive Modeling, Machine Learning Software, Microsoft Azure, No-Code Development, Machine Learning, Data Preprocessing, Predictive Analytics, Model Training, Cloud Deployment, Feature Engineering, Machine Learning Algorithms, Model Evaluation, Data Science, Data Analysis, Classification Algorithms
Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft Copilot, ASP.NET, .NET Framework, C# (Programming Language), Application Programming Interface (API), API Design, Restful API, Back-End Web Development, Middleware, Application Frameworks, Software Documentation, Software Architecture, JSON, Secure Coding, Performance Tuning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Boot, Application Development, API Testing, Java Programming, Web Development, Program Development, Application Frameworks, Software Testing, Test Case, Secure Coding, Development Environment, Model View Controller, Software Development Tools, UI Components, Data Access, Authentications, SQL, Object Oriented Programming (OOP), Data Persistence, User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Machine Learning Methods, FinTech, Financial Inclusion, Financial Services, Responsible AI, Data Ethics, Artificial Intelligence, Data Sharing, Financial Regulation, Financial Systems, Data Governance, Application Programming Interface (API), Financial Data, Finance, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Innovation, General Data Protection Regulation (GDPR), Natural Language Processing
Beginner · Specialization · 3 - 6 Months