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: Cloud Infrastructure, Google Cloud Platform, Cloud Computing Architecture, Google App Engine, Application Programming Interface (API), Cloud Computing, Cloud Applications, Hybrid Cloud Computing, IT Infrastructure, Kubernetes, Digital Transformation, Containerization
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Object-Relational Mapping, Database Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cucumber (Software), Selenium (Software), Apache Maven, Java, Object Oriented Programming (OOP), Issue Tracking, Gherkin (Scripting Language), Test Automation, Behavior-Driven Development, Test Execution Engine, Test Case, Debugging, Integration Testing, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C# (Programming Language), Event-Driven Programming, .NET Framework, Application Deployment, Debugging, Software Testing, ASP.NET, Application Development, Microsoft Visual Studio, Postman API Platform, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, File Management, Software Documentation, Software Architecture
Mixed · Course · 1 - 3 Months

Skills you'll gain: Java Programming, Functional Design, Performance Tuning, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Vibe coding, Generative AI Agents, AI Workflows, Agentic systems, Email Automation, AI Orchestration, Search Engine Optimization, Inside Sales, Web Analytics, Prompt Engineering, Development Environment, Application Deployment, Front-End Web Development, Debugging
Mixed · Course · 1 - 3 Months

Pearson
Skills you'll gain: Amazon Web Services, Cloud Applications, Amazon S3, Cloud Development, Serverless Computing, Amazon Elastic Compute Cloud, Amazon DynamoDB, Application Development, Data Store, Application Design, Software Development Tools, Database Application, API Gateway, Platform As A Service (PaaS), Cloud Deployment, Cloud Services, Application Deployment, Web Services, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Salesforce, Salesforce Development, Application Programming Interface (API), Systems Integration, Software Documentation, Postman API Platform, OAuth, Restful API, Test Tools, No-Code Development, Workflow Management, Data Integration
Advanced · Course · 1 - 3 Months
Skills you'll gain: OAuth, Salesforce Development, Authentications, Salesforce, Cloud Deployment, Cloud-Based Integration, Systems Integration, Application Programming Interface (API), Application Deployment, Data Integration, API Design, Data Mapping, Restful API, Application Performance Management, System Monitoring, Data Transformation, Secure Coding, Event Monitoring, Security Controls, Real Time Data
Advanced · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Node.JS, MongoDB, Back-End Web Development, Server Side, Full-Stack Web Development, Web Development Tools, Web Applications, Scalability, Javascript, Operating Systems, NoSQL, Event-Driven Programming, File Systems, Application Programming Interface (API), JSON, Database Management, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Retrieval-Augmented Generation, LLM Application, OpenAI API, Full-Stack Web Development, Restful API, Development Environment, Vector Databases, Embeddings, Application Deployment, JSON, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Kubernetes, Hardening, Identity and Access Management, Authorization (Computing), User Accounts, Patch Management, Authentications, Application Programming Interface (API), Software Versioning
Intermediate · Course · 1 - 4 Weeks