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.

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
★ 4.6 (36) · Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, Restful API, API Design, Web Applications, Application Programming Interface (API), Responsive Web Design, Cascading Style Sheets (CSS), Dashboard Creation, Event-Driven Programming, HTML and CSS, Javascript, Wireframing, Web Servers, Web Development, Real Time Data, Game Design, Hypertext Markup Language (HTML), Servers, Software Development
★ 4.9 (22) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Restful API, OAuth, API Design, Application Programming Interface (API), Node.JS, Software Documentation, JavaScript Frameworks, Frontend Integration, Web Services, Middleware, Authentications, JSON, Web Frameworks, Server Side, Back-End Web Development, Authorization (Computing)
★ 3.9 (24) · Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Spring Boot, API Testing, Spring Framework, Restful API, Application Programming Interface (API), API Design, Data Persistence, Web Applications, Application Frameworks, Development Testing, Software Testing, Web Services, Object-Relational Mapping, Application Security, Authentications, Authorization (Computing), Network Protocols
★ 4.2 (29) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud API, API Gateway, Application Programming Interface (API), Google Cloud Platform, Cloud Security, Security Testing, Load Balancing, Threat Management, Threat Detection
Beginner · Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, OpenAI, Cloud Deployment, Application Deployment, LLM Application, ChatGPT, Fine-tuning, Large Language Modeling, AI Integrations, Model Deployment, AI powered creativity, Natural Language Processing, User Interface (UI), Email Automation, Generative AI, Product Automation, Application Development, Python Programming, Software Development, AI Personalization
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Virtual Machines, Cloud Deployment, Google Cloud Platform, Cloud Management, Cloud Computing, Virtualization and Virtual Machines, Cloud API, Infrastructure As A Service (IaaS), Cloud Services, Public Cloud, System Monitoring
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google App Engine, Cloud API, Firewall, Google Cloud Platform, Cloud Applications, Application Programming Interface (API), Application Deployment, Cloud Deployment, Cloud Management, Software Versioning, Application Development, Version Control
Beginner · Project · Less Than 2 Hours

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, ChatGPT, Anthropic Claude, Generative AI Agents, Prompt Patterns, Prompt Engineering Tools, LLM Application, Multimodal Prompts, AI literacy, OpenAI, Agentic Workflows, Debugging, TypeScript, OpenAI API, AI Enablement, Agentic systems, AI Orchestration, AI Workflows, Generative AI
★ 4.8 (8.3K) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Distributed Denial-Of-Service (DDoS) Attacks, Prompt Engineering, Kubernetes, Prompt Engineering Tools, Cloud Security, Containerization, Infrastructure As A Service (IaaS), Prompt Patterns, OAuth, Cloud Platforms, Cloud Storage, Cloud Services, Security Controls, Security Awareness, Application Security, Data Security
★ 4.7 (50K) · Intermediate · Specialization · 3 - 6 Months

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, UI Components, Unit Testing, Mobile Development Tools, Code Reusability, JavaScript Frameworks, Frontend Integration, Webpack, Front-End Web Development, Application Development, Software Design Patterns, Javascript, Web Applications, Dataflow, Data Access, Hypertext Markup Language (HTML), Data Sharing, User Interface (UI)
★ 4.7 (3.7K) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, ChatGPT, OpenAI API, No-Code Development, Microsoft Power Automate/Flow, IBM Cloud, OpenAI, Serverless Computing, LLM Application, Context Management, Cloud Applications, Cloud API, Artificial Intelligence, Generative AI Agents, AI Integrations, Automation, Development Testing, Natural Language Processing, Customer Service, Planning
★ 5 (16) · Beginner · Specialization · 1 - 3 Months