AI now powers modern software, and developers can learn it for free. This guide lists the top 20 free AI courses—from beginner to advanced—covering ML, LLMs, prompt design, deep learning, and more. Learn AI without cost and start building intelligent applications.

Oliver Kingsley

October 20, 2025

Discover Claude Skills—modular tools enhancing AI for workflows like reporting and coding. This guide covers setup, benefits, step-by-step creation, and a JavaScript documentation example across Claude.ai and terminal—ideal for Pro users seeking efficiency.

Ashley Goolam

October 17, 2025

Learn what HTTP Status Code 424 Failed Dependency means, why it occurs, and how to fix it. Discover real-world examples, troubleshooting steps, and how Apidog helps you detect and prevent dependency failures in APIs.

INEZA Felin-Michel

October 17, 2025

Learn what HTTP Status Code 423 Locked means, why it occurs, and how to fix it. Understand real-world use cases, WebDAV examples, and how tools like Apidog help you debug and prevent 423 errors efficiently.

INEZA Felin-Michel

October 17, 2025

Transform messy code with Claude Code as your versatile code formatter. This guide covers setup, prompts for HTML/JS/Java/Python, unformatted examples, and formatted outputs—ensuring readability across languages without extra tools.

Ashley Goolam

October 17, 2025

Unlock Claude Code as your ultimate AI code helper for developers and engineers across HTML, JS, Java, and Python. This guide features sample prompts for API building, data analysis, debugging, and optimization—streamlining workflows with intelligent, contextual assistance.

Ashley Goolam

October 17, 2025

Discover how to use the Veo 3.1 API for generating high-quality videos with audio and advanced controls.

Ashley Innocent

October 16, 2025

What is HTTP status code 422 Unprocessable Entity? This guide explains this status code for semantic validation errors, how it differs from 400, and its use in API validation.

INEZA Felin-Michel

October 16, 2025

A clean, objective guide to use Grok 4 for free — with five methods, pros/cons, best practices, and why pairing Grok 4 with Apidog helps you design, test, and document APIs faster.

Oliver Kingsley

October 16, 2025

Learn what the HTTP Status Code 421: Misdirected Request means, why it happens, and how to fix it. Explore common causes, real-world examples, and how tools like Apidog make API debugging easier and faster.

INEZA Felin-Michel

October 16, 2025

Discover how to integrate and utilize the Claude Haiku 4.5 API for efficient AI-driven applications. This guide covers setup, features, pricing, and advanced usage, including testing with Apidog.

Ashley Innocent

October 16, 2025

Unlock the potential of OpenAI's gpt-5-search-api-2025-10-14 and gpt-5-search-api with this step-by-step technical guide. Developers learn setup, implementation, parameters, and integration strategies for real-time web searches. Leverage Apidog for seamless API testing and optimization

Ashley Innocent

October 15, 2025

Discover what status code 417 Expectation Failed truly means, why it happens, and how to fix it. This guide covers Expect headers, 100 Continue, debugging steps, client fallback logic, real-world scenarios, and how to use Apidog for API testing.

INEZA Felin-Michel

October 15, 2025

Learn about HTTP status code 416 Range Not Satisfiable, causes, handling tips, and best practices for partial content requests. Test range scenarios with Apidog for free.

INEZA Felin-Michel

October 15, 2025

Writing API test cases manually takes time. With Apidog’s AI Test Case Generation, you can create dozens of complete test cases—covering normal, abnormal, boundary, and security scenarios—in seconds. Run, verify, and manage them instantly to boost testing efficiency.

Oliver Kingsley

October 15, 2025