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API Courses

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.

Popular API Courses and Certifications


  • K

    KodeKloud

    Generative AI Engineering with OpenAI API and AWS Models

    Skills you'll gain: OpenAI API, Amazon Bedrock, OpenAI, Multimodal Prompts, Generative AI, AWS SageMaker, Generative AI Agents, LLM Application, Responsible AI, Retrieval-Augmented Generation, Prompt Engineering, Amazon Web Services, Agentic Workflows, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Embeddings, Cyber Governance, Vector Databases, Data Ethics, Natural Language Processing

    Beginner · Specialization · 1 - 3 Months

    Category: New
    New
    Status: Free trial
    Free trial
  • P

    Packt

    Web API Development with ASP.NET Core 8

    Skills you'll gain: Restful API, GraphQL, API Design, ASP.NET, Application Programming Interface (API), Azure DevOps Pipelines, API Testing, .NET Framework, Unit Testing, Docker (Software), Object-Relational Mapping, CI/CD, Containerization, Software Documentation, Cloud-Native Computing, Data Modeling, DevOps, C# (Programming Language), Web Applications, Object Oriented Programming (OOP)

    Intermediate · Specialization · 3 - 6 Months

    Category: New
    New
    Status: Free trial
    Free trial
  • P

    Packt

    Introduction to ASP.NET Core Web API

    Intermediate · Course · 1 - 3 Months

    Category: New
    New
  • P

    Packt

    Claude API for Developers - Build Intelligent Applications

    Skills you'll gain: Claude Code, Anthropic Claude, Retrieval-Augmented Generation, LangChain, LLM Application, Prompt Engineering, Tool Calling, AI Orchestration, Embeddings, AI Workflows, Large Language Modeling, AI Integrations, Vector Databases, Agentic Workflows, Application Programming Interface (API), Generative AI Agents, Python Programming, Real Time Data, Context Management, Document Management

    Intermediate · Course · 1 - 4 Weeks

    Category: New
    New
  • P

    Packt

    API Security Testing for Pentesters & Bug Hunters (2026)

    Skills you'll gain: API Testing, Open Web Application Security Project (OWASP), Postman API Platform, Application Programming Interface (API), Security Testing, Penetration Testing, AI Integrations, Restful API, Continuous Monitoring, Application Security, Vulnerability Assessments, Exploit development, Vulnerability Scanning, Test Tools, Software Documentation, Exploitation techniques, Authentications, JSON, Security Management, Docker (Software)

    Intermediate · Course · 1 - 3 Months

    Category: New
    New
  • K

    KodeKloud

    Generative AI: OpenAI API and Prompt Engineering

    Skills you'll gain: Prompt Engineering, Large Language Modeling, Generative AI, Data Ethics, Prompt Patterns, Generative Model Architectures, Artificial Intelligence, Multimodal Prompts, AI Workflows, AI Integrations, Reinforcement Learning, Machine Learning Methods, Natural Language Processing, Critical Thinking and Problem Solving, Systems Thinking

    Beginner · Course · 1 - 4 Weeks

    Category: New
    New
    Status: Free trial
    Free trial
  • B

    Board Infinity

    AI App Development: Streamlit, OpenAI API & RAG Projects

    Skills you'll gain: Tool Calling, OpenAI, AI Workflows, LLM Application, AI Integrations, Agentic Workflows, Retrieval-Augmented Generation, AI Orchestration, Generative AI Agents, Multimodal Prompts, Interactive Data Visualization, Prompt Engineering, Application Deployment, Cloud Deployment, Large Language Modeling, Image Analysis, Embeddings, Python Programming, JSON

    Intermediate · Course · 1 - 4 Weeks

    Category: New
    New
    Category: Preview
    Preview
  • C

    Coursera

    Tokens to Deployment: NLP, Language Models, & Production API

    Skills you'll gain: OAuth, Unit Testing, Apache Airflow, Fine-tuning, Model Evaluation, Data Validation, API Design, Test Driven Development (TDD), Data Integrity, Extract, Transform, Load, Model Training, Multimodal Prompts, Natural Language Processing, MLOps (Machine Learning Operations), OpenAI API, Data Presentation, Hugging Face, Token Optimization, CI/CD, Tensorflow

    Intermediate · Specialization · 3 - 6 Months

    Category: New
    New
    Status: Free trial
    Free trial
  • E

    EDUCBA

    REST Assured Java API Testing: Basics to Frameworks

    Skills you'll gain: Restful API, API Testing, Application Programming Interface (API), Authentications, Test Script Development, Test Automation, JSON, Security Testing, Java Programming, Scenario Testing, Java, Test Tools, Test Case, Build Tools, Authorization (Computing), Development Environment, Data Validation, Verification And Validation, Back-End Web Development

    4.9 stars, 47 reviews, Beginner, Specialization, 1 - 3 Months

    ★ 4.9 (47) · Beginner · Specialization · 1 - 3 Months

    Status: Free trial
    Free trial
  • K

    KodeKloud

    Gateway API with NGINX Fabric Gateway

    Skills you'll gain: API Gateway, Kubernetes, Nginx, Cloud-Native Computing, Software-Defined Networking, Proxy Servers, Web Servers, Public Key Infrastructure, DevOps, Continuous Deployment, Network Troubleshooting, Role-Based Access Control (RBAC), Infrastructure Security, Computer Networking, Application Deployment, Network Security, Security Controls, System Configuration, Security Software, Verification And Validation

    Intermediate · Course · 1 - 3 Months

    Category: New
    New
    Status: Free trial
    Free trial
  • C

    Coursera

    Document AI: Project & API Writing

    Skills you'll gain: Software Documentation, Engineering Documentation, Technical Documentation, Model Training, Software Design Documents, Technical Writing, Generative Model Architectures, Technical Communication, Restful API

    Intermediate · Course · 1 - 4 Weeks

    Category: New
    New
    Status: Free trial
    Free trial
  • E

    EDUCBA

    Apply API Testing Fundamentals Using Postman

    Skills you'll gain: CI/CD, Verification And Validation, Software Testing, Restful API, Web Development Tools, Development Testing, Code Reusability

    4.8 stars, 11 reviews, Beginner, Course, 1 - 4 Weeks

    ★ 4.8 (11) · Beginner · Course · 1 - 4 Weeks

    Status: Free trial
    Free trial
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In summary, here are 10 of our most popular api courses

  • Generative AI Engineering with OpenAI API and AWS Models: KodeKloud
  • Web API Development with ASP.NET Core 8: Packt
  • Introduction to ASP.NET Core Web API: Packt
  • Claude API for Developers - Build Intelligent Applications: Packt
  • API Security Testing for Pentesters & Bug Hunters (2026): Packt
  • Generative AI: OpenAI API and Prompt Engineering: KodeKloud
  • AI App Development: Streamlit, OpenAI API & RAG Projects: Board Infinity
  • Tokens to Deployment: NLP, Language Models, & Production API: Coursera
  • REST Assured Java API Testing: Basics to Frameworks: EDUCBA
  • Gateway API with NGINX Fabric Gateway: KodeKloud

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Object-oriented Programming (13)
Kubernetes (10)
List & Label (10)

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