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.

LearnKartS
Skills you'll gain: Model Context Protocol, Agentic systems, Retrieval-Augmented Generation, Prompt Engineering, Agentic Workflows, Tool Calling, Google Gemini, AI Workflows, Generative AI Agents, AI Orchestration, Server Side, Node.JS, Vector Databases, MongoDB, Embeddings, Large Language Modeling, Natural Language Processing, Web Development, Machine Learning, Javascript
Beginner · Specialization · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Tool Calling, Software Design Patterns
★ 4.6 (54) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, OpenAI API, LangChain, ChatGPT, OpenAI, Generative AI, Multimodal Prompts, LLM Application, AI powered creativity, Generative Model Architectures, Large Language Modeling, AI Workflows, Application Programming Interface (API), Application Development, Image Quality
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Restful API, Application Deployment, Microservices, Docker (Software), Spring Boot, Spring Framework, Containerization, CI/CD, API Design, Application Programming Interface (API), Java Programming, Hibernate (Java), Back-End Web Development, Systems Architecture, Java, Software Architecture, Software Design, Authentications, Software Development, IntelliJ IDEA
★ 3.3 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Programming Interface (API), Simple Object Access Protocol (SOAP), Application Deployment, Development Environment, Hibernate (Java), Back-End Web Development, Eclipse (Software), Data Validation
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Command-Line Interface, Google Cloud Platform, Test Tools, Cloud API, API Testing, Application Programming Interface (API), Python Programming, Document Management
★ 4.7 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Context Engineering, Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Model Optimization, Embeddings, Workflow Management, Python Programming, Data Validation
★ 3.7 (9) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Model Training, Applied Machine Learning, Google Cloud Platform, Image Analysis, Model Deployment, Computer Vision, Machine Learning, Predictive Analytics, Cloud Storage, Cloud API
★ 5 (6) · Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Artificial Neural Networks, Tensorflow, Keras (Neural Network Library), Data-Driven Decision-Making, Applied Machine Learning, Machine Learning Software, Deep Learning, Machine Learning, Feature Engineering, Risking, Model Evaluation, Mortgage Loans, Consumer Lending
★ 4.5 (33) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: UI Components, Responsive Web Design, Code Reusability, Web Development Tools, Application Deployment, Database Management, Web Applications, Data Store, Databases, Frontend Integration, Authentications, Application Development, JavaScript Frameworks, Email Automation, Restful API, Web Design, Front-End Web Development, TypeScript, Application Programming Interface (API), Web Language
★ 5 (6) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Integrity, Database Architecture and Administration, Data Integration, Power BI, Data Maintenance, Database Administration, Database Management, Microsoft SQL Servers, Data Validation, Relational Databases, Databases, Application Programming Interface (API), Dashboard Creation, Dashboard, Data Quality, Interactive Data Visualization, Business Intelligence, Data Security, Systems Integration, Role-Based Access Control (RBAC)
★ 4.8 (25) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Digital Transformation, Google Workspace, Google Cloud Platform, Business Transformation, Cloud Development, Cloud Applications, Cloud Management, Application Development, Collaborative Software, Productivity Software, Data Storage Technologies, Cloud Solutions, Data Storage, Organizational Development, Cloud Storage, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Cost Management, Cloud Platforms, Cloud Infrastructure
★ 4.7 (66) · Beginner · Course · 1 - 3 Months