HTTP Status Cheatsheet


This list does not include non-standard status codes.

1xx Informational

Status Meaning Rails HTTP Symbol
100 Continue :continue
101 Switching Protocols :switching_protocols
102 Processing :processing

2xx Success

Status Meaning Rails HTTP Symbol
200 OK :ok
201 Created :created
202 Accepted :accepted
203 Non-authoritative Information :non_authoritative_information
204 No Content :no_content
205 Reset Content :reset_content
206 Partial Content :partial_content
207 Multi-Status :multi_status
208 Already Reported :already_reported
226 IM Used :im_used

3xx Redirection

Status Meaning Rails HTTP Symbol
300 Multiple Choices :multiple_choices
301 Moved Permanently :moved_permanently
302 Found :found
303 See Other :see_other
304 Not Modified :not_modified
305 Use Proxy :use_proxy
307 Temporary Redirect :temporary_redirect
308 Permanent Redirect :permanent_redirect

4xx Client Error

Status Meaning Rails HTTP Symbol
400 Bad Request :bad_request
401 Unauthorized :unauthorized
402 Payment Required :payment_required
403 Forbidden :forbidden
404 Not Found :not_found
405 Method Not Allowed :method_not_allowed
406 Not Acceptable :not_acceptable
407 Proxy Authentication Required :proxy_authentication_required
408 Request Timeout :request_timeout
409 Conflict :conflict
410 Gone :gone
411 Length Required :length_required
412 Precondition Failed :precondition_failed
413 Request Entity Too Large :request_entity_too_large
414 Request Uri Too Long :request_uri_too_long
415 Unsupported Media Type :unsupported_media_type
416 Requested Range Not Satisfiable :requested_range_not_satisfiable
418 I'm a teapot Not implemented
421 Misdirected Request :misdirected_request
422 Unprocessable Entity :unprocessable_entity
423 Locked :locked
424 Failed Dependency :failed_dependency
426 Upgrade Required :upgrade_required
428 Precondition Required :precondition_required
429 Too Many Requests :too_many_requests
424 Failed Dependency :failed_dependency
431 Request Header Fields Too Large :request_header_fields_too_large
451 Unavailable For Legal Reasons :unavailable_for_legal_reasons

5xx Server Error

Status Meaning Rails HTTP Symbol
500 Internal Server Error :internal_server_error
501 Not Implemented :not_implemented
502 Bad Gateway :bad_gateway
503 Service Unavailable :service_unavailable
504 Gateway Timeout :gateway_timeout
505 Http Version Not Supported :http_version_not_supported
506 Variant Also Negotiates :variant_also_negotiates
507 Insufficient Storage :insufficient_storage
508 Loop Detected :loop_detected
510 Not Extended :not_extended
511 Network Authentication Required :network_authentication_required

Notes

To get list of available status codes in Rails/Rack

# https://github.com/rack/rack/blob/9d25a133fa7651e60e23a46ef0b732fd131d3458/lib/rack/utils.rb#L494
Rack::Utils::HTTP_STATUS_CODES
Rack::Utils::SYMBOL_TO_STATUS_CODE