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.

The Hong Kong University of Science and Technology
Skills you'll gain: Server Side, Restful API, Ajax, Node.JS, Web Applications, Web Servers, Web Development, Back-End Web Development, Model View Controller, Javascript, PHP (Scripting Language), Application Programming Interface (API), Authentications, JSON, Hypertext Markup Language (HTML), Software Architecture, Real Time Data, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Code Reusability, Content Management Systems, Authentications, Role-Based Access Control (RBAC), Application Deployment, Authorization (Computing), Cloud Deployment, Content Management, Restful API, Development Environment, Secure Coding, TypeScript, Maintainability, Application Programming Interface (API), Web Analytics and SEO, Query Languages, Business Logic, Control Panels, Model View Controller, Software Architecture
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Debugging, Email Automation, Business Process Automation, Automation, AWS Identity and Access Management (IAM), Serverless Computing, Amazon DynamoDB, API Gateway, User Accounts
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: AI Security, LLM Application, Open Web Application Security Project (OWASP), Model Deployment, Large Language Modeling, Secure Coding, Security Controls, Prompt Engineering, Google Cloud Platform, Application Programming Interface (API), System Configuration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Scripting, Data Persistence, Python Programming, AI Workflows, Command-Line Interface, Virtual Machines, Data Pipelines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Serverless Computing, Computer Vision, Image Analysis, Amazon Web Services, AI Integrations, Cloud API, Cloud Applications, Unstructured Data
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Training, Google Cloud Platform, Data Processing, Document Management, MLOps (Machine Learning Operations)
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: TCP/IP, OSI Models, General Networking, Networking Hardware, Computing Platforms, IT Automation, Network Administration, Network Model, Computer Networking, Network Engineering, Network Infrastructure, Web Services, Scripting, Network Protocols, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, .NET Framework, ASP.NET, C# (Programming Language), Application Programming Interface (API), Web Applications, Web Components, Restful API, Cloud Deployment, Microsoft Azure, Back-End Web Development, Object-Relational Mapping, Web Frameworks, Code Reusability, Frontend Integration, Application Frameworks, Cloud Applications, Server Side, Application Deployment, Authentications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: AI Workflows, Agentic Workflows, AI Orchestration, Agentic systems, Generative AI Agents, Prompt Patterns, OpenAI, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Tool Calling, OpenAI API, Software Design Patterns, Development Environment, Application Programming Interface (API), Large Language Modeling
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google App Engine, Cloud Development, Cloud Applications, Cloud Platforms, Restful API, Public Cloud, Google Cloud Platform, OAuth, Cloud Deployment, Cloud API, Cloud Computing, Cloud Services, API Design, Application Deployment, Platform As A Service (PaaS), Python Programming, Cloud Storage, Database Development, File Management, Web Applications
Beginner · Course · 1 - 3 Months