ToolSnippet

HTTP Status Codes Directory & Reference

Explore all standard RFC HTTP status codes across 1xx, 2xx, 3xx, 4xx, and 5xx series with caching rules.

About This Tool

HTTP Status Codes Directory provides an interactive, searchable catalog of all official HTTP response status codes defined by IANA and RFC 9110, including cacheability, specification links, and troubleshooting guides.

Key Features

Complete coverage of 1xx, 2xx, 3xx, 4xx, and 5xx status codes
RFC 9110 & RFC 6585 official specifications
Cacheability status indicator
Instant real-time search filter

How to Use This Tool

  1. Type any code number (e.g. 404), name (e.g. Created), or description into the search bar.
  2. Filter by status code series (1xx Informational, 2xx Success, 3xx Redirection, 4xx Client Error, 5xx Server Error).
  3. Inspect detailed specifications, default caching behaviors, and resolution advice.

Why Use This Tool

  • Essential for web developers, API designers, and DevOps engineers debugging HTTP responses.
  • Fast instant filtering with zero server roundtrips.

Pro Tips

  • Use 308 instead of 301 when you need to ensure the HTTP method (e.g. POST) is preserved across redirects

Frequently Asked Questions

What is the difference between 301 and 302 redirects?

A 301 Moved Permanently redirect signals to search engines and browsers that a URL change is permanent, transferring SEO equity, while 302 Found is a temporary redirect.

Related Tools

API Mock Payload & Fake Data Generator

Generate mock JSON REST API responses for Users, Products, and Paginated datasets.

Linux Chmod Permissions Calculator

Calculate Linux/Unix file permissions visually with octal numbers and symbolic notation.

Cron Expression Descriptor

Convert cron expressions into human-readable text.