Inspect HTTP and DNS Bin Requests

How to Internet Speed Test from Command Line (CLI)

Run accurate internet speed tests right from your terminal. Learn how to install and use the internetspeedtest CLI—an open-source, automation-ready tool for admins and DevOps who need reliable speed test command line results without a browser.

Introducing RequestBin Collaborator Plugin – A Modern Burp Collaborator Alternative for Web Security Testing

Discover the new RequestBin Collaborator Plugin — a free, modern Burp Collaborator alternative for OAST and webhook testing. Integrate with BurpSuite, capture callbacks, manage custom OAST servers, and debug smarter via RequestBin.net

Content-Type: application/json vs text/plain — When to Use Each (with RequestBin)

Learn the difference between application/json and text/plain Content-Types. This guide explains when to use each, common developer pitfalls, and how to debug mismatched headers or invalid payloads using RequestBin with step-by-step examples.

Top 5 Free API Test Tools for Developers (2025) | RequestBin vs Alternatives

Discover the top 5 free API test tools for developers in 2025. Compare features, pros, and cons of RequestBin, Beeceptor, Webhook.site, Pipedream, and Hookdeck to find the best fit for debugging, testing, and inspecting APIs.

Webhook Security Best Practices: Authentication & Data Protection (with RequestBin)

Learn how to secure webhooks with authentication, HMAC signatures, and data protection. This guide covers common risks, best practices, and how to use RequestBin to capture, inspect, and debug webhook requests for safer integrations.

What is Port 80? How to Test HTTP Requests with RequestBin (Step-by-Step Guide)

Learn what Port 80 is, common HTTP issues developers face, and how to test and debug HTTP requests using RequestBin. Step-by-step guide with examples and code snippets.

HTTP 403 Forbidden: What It Means and How to Debug It with RequestBin

Seeing “403 HTTP Forbidden”? Learn what it means, 401 vs 403, common causes, and a step‑by‑step workflow to debug 403s using RequestBin.

Introducing RequestBin v3.0: Cloud Migration, Revamped UI, and Enterprise-Grade Security

Announcing RequestBin v3.0 — our most exciting release yet! Learn about seamless cloud migration, redesigned UX, real‑time analytics, and enterprise features including SSO, MFA, and collaboration tools. Upgrade your HTTP & DNS testing today.

Understanding ToolShell: The Critical SharePoint Vulnerability Under Active Exploitation

A comprehensive look at the ToolShell vulnerability chain affecting Microsoft SharePoint servers, including its impact, how it works, and steps to mitigate the risk.

Mastering API Rate Limiting: Strategies, Implementation, and Testing

This guide explores the necessity of API rate limiting, common rate-limiting techniques, and practical ways to test rate limits using tools like RequestBin, Postman, and Insomnia. Follow our actionable strategies to master API rate limiting and optimize your API performance.

Comprehensive Guide to Webhook Security: Protect Your APIs and Applications

Explain the importance of webhook security, common vulnerabilities (e.g., replay attacks, unauthorized requests), and step-by-step methods to securely implement and test webhooks using RequestBin.

Apple Zero-Click iMessage Exploit: CVE-2025-43200 Used to Deploy Paragon Graphite Spyware

Discover how the CVE-2025-43200 zero-click vulnerability in Apple's Messages app was exploited to deploy Paragon's Graphite spyware, targeting journalists worldwide.