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.

Scrimba
Skills you'll gain: Prompt Engineering, Anthropic Claude, Responsible AI, OpenAI API, Cloud Deployment, Cloud Applications, LLM Application, OpenAI, HTML and CSS, ChatGPT, Application Deployment, Mobile Development, API Gateway, Generative AI, Model Deployment, Cloud Security, Data Ethics, Application Programming Interface (API), Debugging, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, AI Workflows, OpenAI API, LLM Application, Artificial Intelligence, User Interface (UI), Prompt Engineering, Natural Language Processing, Python Programming, Context Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, AI Orchestration, Application Programming Interface (API), Prompt Patterns, Restful API, Prompt Engineering Tools, LLM Application, JSON, Generative AI Agents, Tool Calling, Generative AI, Artificial Intelligence, Agentic systems, Automation, Scalability, Servers
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Application Deployment, Prompt Engineering, Google Cloud Platform, Cloud Deployment, Cloud Infrastructure, Kubernetes, Cloud Applications, Cloud Development, Infrastructure As A Service (IaaS), Generative AI, Cloud Services, Identity and Access Management, Containerization, Virtual Machines, Cloud API, Cloud Computing, Security Assertion Markup Language (SAML), Application Programming Interface (API), Cloud Storage, Debugging
Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: C# (Programming Language), Restful API, ASP.NET, Model View Controller, .NET Framework, Docker (Software), Azure DevOps, Object Oriented Programming (OOP), Microservices, Containerization, JSON, Application Programming Interface (API), DevOps, Web Services, Middleware, CI/CD, Back-End Web Development, Web Applications, Programming Principles, Server Side
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: ASP.NET, Microsoft Copilot, .NET Framework, Application Programming Interface (API), Middleware, Server Side, Restful API, C# (Programming Language), Back-End Web Development, Application Frameworks, JSON, Software Documentation, Secure Coding, Programming Principles, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months

Skills you'll gain: LangChain, Hugging Face, Prompt Engineering, Retrieval-Augmented Generation, Model Evaluation, Large Language Modeling, CrewAI, OpenAI API, Generative AI Agents, LLM Application, Vector Databases, Tool Calling, ChatGPT, Responsible AI, Embeddings, AI Enablement, AI Workflows, OpenAI, Generative AI, Python Programming
Intermediate · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Anthropic Claude, OpenAI API, Prompt Engineering, LLM Application, Generative AI, Large Language Modeling, Multimodal Prompts, Artificial Intelligence, Responsible AI, Cloud Deployment, Restful API, API Design
Intermediate · Course · 1 - 4 Weeks

Anthropic
Skills you'll gain: Claude Code, Command-Line Interface, Tool Calling, LLM Application, Software Development Tools, GitHub, Context Management, Code Review, Computer Programming Tools, Software Development, Generative AI Agents, Automation, Software Engineering
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Continuous Integration, Test Automation, Authentications, CI/CD, Test Script Development, API Testing, Software Testing, Unit Testing, Behavior-Driven Development, Web Development Tools, Test Case, GitHub, User Interface (UI)
Intermediate · Course · 3 - 6 Months

LearnQuest
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Microsoft Azure, Python Programming, Machine Learning, Machine Learning Algorithms, Data Science, Image Analysis, Computer Vision, Natural Language Processing, Application Programming Interface (API)
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud, Cloud API, Network Analysis
Beginner · Project · Less Than 2 Hours