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.

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Development, Cloud Applications, Cloud API, Google Cloud Platform, Cloud Deployment, API Gateway, Application Deployment, Application Programming Interface (API), Cloud Management, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: TCP/IP, Network Protocols, Application Programming Interface (API), Ajax, Web Development, General Networking, Web Applications, Scalability, Event-Driven Programming, Real Time Data, Network Analysis
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Model Context Protocol, AI Orchestration, AI Workflows, Model Deployment, AI Personalization, OpenAI API, OpenAI, AI Integrations, Cloud Deployment, Agentic Workflows, Agentic systems, Application Deployment, Generative AI Agents, Cloud API, ChatGPT, CI/CD, Responsible AI, Artificial Intelligence, Generative AI, Development Testing
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Vibe coding, LLM Application, Generative AI Agents, Email Automation, Agentic Workflows, Large Language Modeling, AI Integrations, AI Workflows, Agentic systems, Software As A Service, Prompt Engineering, Tool Calling, Sales Process, Sales Development, Business Logic, No-Code Development, Development Testing, Application Programming Interface (API)
Mixed · Course · 1 - 3 Months

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

Skills you'll gain: Data Processing, Google Cloud Platform, Data Store, Extract, Transform, Load, Data Pipelines, Data Capture, Unstructured Data, Cloud API, Cloud-Based Integration, Geospatial Information and Technology, Cloud Storage, AI Integrations, Cloud Deployment, Serverless Computing, Business Process
Beginner · Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Node.JS, Authentications, Cloud Deployment, Middleware, MongoDB, Server Side, Back-End Web Development, Role-Based Access Control (RBAC), Application Deployment, Full-Stack Web Development, API Testing, Authorization (Computing), Redis, JavaScript Frameworks, JSON, Database Management, TypeScript, Javascript, Database Design, Debugging
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Script Development, Test Data, Test Case, Test Tools, JSON, API Testing, Development Testing, Scenario Testing
Intermediate · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Performance Tuning, Development Testing, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Test Script Development, Code Reusability, Web Applications, Test Driven Development (TDD), Technical Documentation, Frontend Performance, Debugging, Performance Testing, Maintainability, Javascript, Software Design Patterns, Software Architecture, Secure Coding, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Middleware, React Redux, React.js, Code Reusability, Web Development Tools, Development Environment, Responsive Web Design, Software Design, Scalability, Application Programming Interface (API), Frontend Integration, Web Design and Development, HTML and CSS, Front-End Web Development, Maintainability, Restful API, Frontend Performance, JavaScript Frameworks, Authorization (Computing), Data Validation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Gemini, Model Deployment, Generative AI, Google Gemini, Generative AI Agents, Generative Model Architectures, Prompt Patterns, Cloud Deployment, Model Optimization, Application Deployment, Token Optimization, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, AI Personalization, Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months