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: Microservices, .NET Framework, ASP.NET, Microsoft Azure, Object-Relational Mapping, OAuth, Cloud Storage, API Gateway, Software Architecture, Payment Systems, Authentications, Data Storage, Systems Architecture, C# (Programming Language), Cloud Services, Model View Controller, Application Programming Interface (API), Software Design Patterns, Restful API, Identity and Access Management
Beginner · Course · 3 - 6 Months

Amazon Web Services
Skills you'll gain: AWS CloudFormation, Serverless Computing, Infrastructure as Code (IaC), Amazon Web Services, Application Programming Interface (API), Cloud Infrastructure, Event-Driven Programming, Cloud Deployment, Cloud Management, Authentications, Amazon S3, Application Deployment, Automation, Amazon DynamoDB, Scalability, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Tensorflow, Model Training, Applied Machine Learning, Convolutional Neural Networks, Deep Learning, Model Optimization, Machine Learning, Computer Vision
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud API, Google Cloud Platform, Text Mining, Application Programming Interface (API), LLM Application, Large Language Modeling, Generative AI, Prompt Engineering, Natural Language Processing, Jupyter, Python Programming, Classification Algorithms
Intermediate · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Javascript, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Containerization, Cloud-Native Computing, Infrastructure Security, Role-Based Access Control (RBAC), Security Controls, Linux Administration, Data Maintenance, Data Storage Technologies, Systems Architecture, Command-Line Interface, Authorization (Computing), System Configuration, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Dashboard, Data Preprocessing, Interactive Data Visualization, Data Visualization Software, Real Time Data, Data Analysis, Application Programming Interface (API), No-Code Development, JSON, Javascript
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, LLM Application, OpenAI API, Token Optimization, OpenAI, Anthropic Claude, Authentications, Large Language Modeling, Command-Line Interface, Key Management, Development Environment, Application Programming Interface (API), Python Programming, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, OpenAI, LLM Application, Dashboard Creation, Large Language Modeling, AI Integrations, Model Deployment, Back-End Web Development, Restful API, Web Development, Web Applications, Interactive Data Visualization, UI Components
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ASP.NET
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Vector Databases, Retrieval-Augmented Generation, Prompt Engineering, Tool Calling, Google Gemini, Agentic Workflows, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: IT Automation, API Design, Automation, Cloud Solutions, Server Side, Back-End Web Development
Beginner · Course · 1 - 4 Weeks