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.
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Serverless Computing, Application Deployment, Cloud API, Google Cloud Platform, Cloud Storage, Application Programming Interface (API), Cloud Services, File Management, Data Migration
Intermediate · Project · Less Than 2 Hours

DeepLearning.AI
Skills you'll gain: LLM Application, Tool Calling, AI Workflows, Hugging Face, Unstructured Data, SQL, Web Services, Prompt Engineering, AI Enablement, Database Management, Restful API, Data Processing
Intermediate · Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Secure Coding, Security Controls, HTML and CSS, UI Components
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: White-Box Testing, Performance Testing, Maintainability, Test Tools, Software Testing, Code Review, Test Automation, Software Technical Review, Test Planning, Scripting, Risk Analysis, Software Quality Assurance, Test Script Development, Continuous Integration, CI/CD, Regression Testing, Code Coverage, Test Case, Quality Assurance, Security Testing
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Unit Testing, IntelliJ IDEA, Apache Maven, Software Testing, Test Case, Testability, Test Tools, Java, Mockups
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Application Deployment, Cloud Deployment, API Gateway, Cloud API, Application Programming Interface (API), Virtual Environment, Multi-Tenant Cloud Environments, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Application Deployment, Microservices, Google App Engine, API Design, Restful API, Google Cloud Platform, CI/CD, Cloud Computing Architecture, Cloud Security, Site Reliability Engineering, Kubernetes, Service Level, Network Architecture, Cloud Computing, DevOps, Cloud Storage, System Design and Implementation, Service Design, Scalability
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Prompt Patterns, Prompt Engineering Tools, LangChain, Retrieval-Augmented Generation, Generative AI, AI Workflows, LLM Application, Large Language Modeling, OpenAI API, Data Synthesis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hugging Face, LLM Application, LangChain, Large Language Modeling, OpenAI, Natural Language Processing, Generative AI Agents, ChatGPT, Responsible AI, Embeddings, Application Programming Interface (API), Text Mining, Restful API, Agentic systems, Open Source Technology, Data Preprocessing, MLOps (Machine Learning Operations), Python Programming, Model Evaluation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, Jest (JavaScript Testing Framework), JavaScript Frameworks, Front-End Web Development, Unit Testing, UI Components, Web Development Tools, Ajax, Javascript, User Interface (UI), Software Testing, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Restful API, ASP.NET, .NET Framework, JavaScript Frameworks, Frontend Integration, Secure Coding, Middleware, React.js, Application Frameworks, Object-Relational Mapping, Model View Controller, Web Applications, Web Development, Authentications
Intermediate · Course · 1 - 4 Weeks