CodeAPI response handling
if (response.status === 404) {
showMissingState();
} else if (!response.ok) {
showErrorState();
}HTTP Status Codes Cheatsheet
Use this HTTP status code cheatsheet to quickly understand common API and web responses, from success to redirects and errors.
Quick reference
2xx success
200 OK
Request succeeded201 Created
Resource created204 No Content
Success with no response body206 Partial Content
Partial response, often for ranges3xx redirects
301 Moved Permanently
Permanent redirect302 Found
Temporary redirect304 Not Modified
Use cached response307 Temporary Redirect
Temporary redirect preserving method4xx and 5xx
400 Bad Request
Invalid request401 Unauthorized
Authentication needed404 Not Found
Resource missing500 Internal Server Error
Server failed unexpectedlyExamples
HTTP Status FAQ
What is included in the HTTP Status cheatsheet?
HTTP Status Codes Cheatsheet includes quick reference sections, practical examples, common mistakes, tips and links to related DevKitYard tools.
Is the HTTP Status cheatsheet interactive?
This cheatsheet is a static quick reference focused on concise commands, syntax and examples.
When should I use this HTTP Status reference?
Use it when you need to recall syntax, compare common patterns or avoid mistakes without opening a long tutorial.
What should I use after reading this cheatsheet?
Use related DevKitYard tools such as HTTP Status Lookup, API Request Builder, API Header Generator when you need to format, validate, generate or inspect real output.