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HTTP response status codes
HTTP response status codes indicate whether a specific HTTP request has been successfully completed.
Responses are grouped in five classes:
1. Informational responses (100–199)
2. Successful responses (200–299)
3. Redirects (300–399)
4. Client errors (400–499)
5. Server errors (500–599)
1. Information responses
a. 100 Continue
b. 101 Switching Protocol
c. 102 Processing (WebDAV)
d. 103 Early Hints
2. Successful responses
a. 200 OK
b. 201 Created
c. 202 Accepted
d. 203 Non-Authoritative Information
e. 204 No Content
f. 205 Reset Content
g. 206 Partial Content
h. 207 Multi-Status (WebDAV)
i. 208 Already Reported (WebDAV)
j. 226 IM Used (HTTP Delta encoding)
3. Redirection messages
a. 300 Multiple Choice
b. 301 Moved Permanently
c. 302 Found
d. 303 See Other
e. 304 Not Modified
f. 305 Use Proxy
g. 306 unused
h. 307 Temporary Redirect
i. 308 Permanent Redirect
4. Client error responses
a. 400 Bad Request
b. 401 Unauthorized
c. 402 Payment Required
d. 403 Forbidden
e. 404 Not Found
f. 405 Method Not Allowed
g. 406 Not Acceptable
h. 407 Proxy Authentication Required
i. 408 Request Timeout
j. 409 Conflict
k. 410 Gone
l. 411 Length Required
m. 412 Precondition Failed
n. 413 Payload Too Large
o. 414 URI Too Long
p. 415 Unsupported Media Type
q. 416 Range Not Satisfiable
r. 417 Expectation Failed
s. 418 I'm a teapot
t. 421 Misdirected Request
u. 425 Too Early
v. 426 Upgrade Required
w. 428 Precondition Required
x. 429 Too Many Requests
y. 431 Request Header Fields Too Large
z. 451 Unavailable For Legal Reasons
5. Server error responses
a. 500 Internal Server Error
b. 501 Not Implemented
c. 502 Bad Gateway
d. 503 Service Unavailable
e. 504 Gateway Timeout
f. 505 HTTP Version Not Supported
g. 506 Variant Also Negotiates
h. 507 Insufficient Storage (WebDAV)
i. 508 Loop Detected (WebDAV)
j. 510 Not Extended
k. 511 Network Authentication Required
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100 Continue
101 Switching Protocols
103 Early Hints
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
307 Temporary Redirect
308 Permanent Redirect
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload Too Large
414 URI Too Long
415 Unsupported Media Type
416 Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot
422 Unprocessable Entity
425 Too Early
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
451 Unavailable For Legal Reasons
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
510 Not Extended
511 Network Authentication Required
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2xx : SUCCESS
200 OK : success
201 CREATED : successfully added data
204 NO-CONTENT successfully updated or deleted
3xx : REDIRECTION
304 NOT MODIFIED:
4xx : CLIENT SIDE ERROR
400 BAD REQUEST : bad data being sent
401 UNAUTHORIZED :
403 FORBIDDEN :
404 NOT FOUND : the resource does not exists at that location
405 METHOD NOT ALLOWED :
DELETE /api/spartans -->> 405 error
406 NOT ACCEPTABLE
415 Unsupported Media type
if you forget to specify the Content-Type
of Post request body, it will see it as plain text
and it will throw this error if it does not support
5xx : Server side error
500 internal service error
If the server do not have any mapping of the url
requested to handle the action -->> 500
503 SERVICE UNAVAILABLE :
504 GATEWAY TIMEOUT :
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{
'100': 'Continue',
'101': 'Switching Protocols',
'102': 'Processing',
'103': 'Early Hints',
'200': 'OK',
'201': 'Created',
'202': 'Accepted',
'203': 'Non-Authoritative Information',
'204': 'No Content',
'205': 'Reset Content',
'206': 'Partial Content',
'207': 'Multi-Status',
'208': 'Already Reported',
'226': 'IM Used',
'300': 'Multiple Choices',
'301': 'Moved Permanently',
'302': 'Found',
'303': 'See Other',
'304': 'Not Modified',
'305': 'Use Proxy',
'307': 'Temporary Redirect',
'308': 'Permanent Redirect',
'400': 'Bad Request',
'401': 'Unauthorized',
'402': 'Payment Required',
'403': 'Forbidden',
'404': 'Not Found',
'405': 'Method Not Allowed',
'406': 'Not Acceptable',
'407': 'Proxy Authentication Required',
'408': 'Request Timeout',
'409': 'Conflict',
'410': 'Gone',
'411': 'Length Required',
'412': 'Precondition Failed',
'413': 'Payload Too Large',
'414': 'URI Too Long',
'415': 'Unsupported Media Type',
'416': 'Range Not Satisfiable',
'417': 'Expectation Failed',
'418': "I'm a Teapot",
'421': 'Misdirected Request',
'422': 'Unprocessable Entity',
'423': 'Locked',
'424': 'Failed Dependency',
'425': 'Too Early',
'426': 'Upgrade Required',
'428': 'Precondition Required',
'429': 'Too Many Requests',
'431': 'Request Header Fields Too Large',
'451': 'Unavailable For Legal Reasons',
'500': 'Internal Server Error',
'501': 'Not Implemented',
'502': 'Bad Gateway',
'503': 'Service Unavailable',
'504': 'Gateway Timeout',
'505': 'HTTP Version Not Supported',
'506': 'Variant Also Negotiates',
'507': 'Insufficient Storage',
'508': 'Loop Detected',
'509': 'Bandwidth Limit Exceeded',
'510': 'Not Extended',
'511': 'Network Authentication Required'
}
//minified
{"100":"Continue","101":"Switching Protocols","102":"Processing","103":"Early Hints","200":"OK","201":"Created","202":"Accepted","203":"Non-Authoritative Information","204":"No Content","205":"Reset Content","206":"Partial Content","207":"Multi-Status","208":"Already Reported","226":"IM Used","300":"Multiple Choices","301":"Moved Permanently","302":"Found","303":"See Other","304":"Not Modified","305":"Use Proxy","307":"Temporary Redirect","308":"Permanent Redirect","400":"Bad Request","401":"Unauthorized","402":"Payment Required","403":"Forbidden","404":"Not Found","405":"Method Not Allowed","406":"Not Acceptable","407":"Proxy Authentication Required","408":"Request Timeout","409":"Conflict","410":"Gone","411":"Length Required","412":"Precondition Failed","413":"Payload Too Large","414":"URI Too Long","415":"Unsupported Media Type","416":"Range Not Satisfiable","417":"Expectation Failed","418":"I'm a Teapot","421":"Misdirected Request","422":"Unprocessable Entity","423":"Locked","424":"Failed Dependency","425":"Too Early","426":"Upgrade Required","428":"Precondition Required","429":"Too Many Requests","431":"Request Header Fields Too Large","451":"Unavailable For Legal Reasons","500":"Internal Server Error","501":"Not Implemented","502":"Bad Gateway","503":"Service Unavailable","504":"Gateway Timeout","505":"HTTP Version Not Supported","506":"Variant Also Negotiates","507":"Insufficient Storage","508":"Loop Detected","509":"Bandwidth Limit Exceeded","510":"Not Extended","511":"Network Authentication Required"}
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Here's a comprehensive list of all HTTP status codes:
- **1xx Informational**
- 100 Continue
- 101 Switching Protocols
- 102 Processing (WebDAV)
- 103 Early Hints
- **2xx Successful**
- 200 OK
- 201 Created
- 202 Accepted
- 203 Non-Authoritative Information (since HTTP/1.1)
- 204 No Content
- 205 Reset Content
- 206 Partial Content
- 207 Multi-Status (WebDAV)
- 208 Already Reported (WebDAV)
- 226 IM Used
- **3xx Redirection**
- 300 Multiple Choices
- 301 Moved Permanently
- 302 Found
- 303 See Other (since HTTP/1.1)
- 304 Not Modified
- 305 Use Proxy (since HTTP/1.1)
- 306 Switch Proxy
- 307 Temporary Redirect (since HTTP/1.1)
- 308 Permanent Redirect (RFC 7538)
- **4xx Client errors**
- 400 Bad Request
- 401 Unauthorized
- 402 Payment Required
- 403 Forbidden
- 404 Not Found
- 405 Method Not Allowed
- 406 Not Acceptable
- 407 Proxy Authentication Required
- 408 Request Timeout
- 409 Conflict
- 410 Gone
- 411 Length Required
- 412 Precondition Failed
- 413 Payload Too Large
- 414 URI Too Long
- 415 Unsupported Media Type
- 416 Range Not Satisfiable
- 417 Expectation Failed
- 418 I'm a teapot (RFC 2324)
- 421 Misdirected Request (RFC 7540)
- 422 Unprocessable Entity (WebDAV)
- 423 Locked (WebDAV)
- 424 Failed Dependency (WebDAV)
- 425 Too Early (RFC 8470)
- 426 Upgrade Required
- 428 Precondition Required (RFC 6585)
- 429 Too Many Requests (RFC 6585)
- 431 Request Header Fields Too Large (RFC 6585)
- 451 Unavailable For Legal Reasons
- **5xx Server errors**
- 500 Internal Server Error
- 501 Not Implemented
- 502 Bad Gateway
- 503 Service Unavailable
- 504 Gateway Timeout
- 505 HTTP Version Not Supported
- 506 Variant Also Negotiates (RFC 2295)
- 507 Insufficient Storage (WebDAV)
- 508 Loop Detected (WebDAV)
- 510 Not Extended (RFC 2774)
- 511 Network Authentication Required
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=====================================================================
Information [100 - 199] == Success [200 - 299]
---------------------------------------------------------------------
100 - Continue == 200 - Ok
101 - Switching Protocols == 201 - Created
102 - Processing == 202 - Accepted
103 - Early Hints == 204 - No Content
== 206 - Partial Content
======================================================================
Redirect [300 - 399] == Client Error [400 - 499]
----------------------------------------------------------------------
300 - Multiple Choices == 400 - Bad Request
301 - Moved Permanantly == 401 - Unauthorized
304 - Not Modified == 403 - Forbidden
307 - Temporary Redirect == 404 - Not Found
308 - Permanant Redirect == 409 - Conflict
======================================================================
Server Error [500 - 599]
----------------------------------------------------------------------
500 - Internal Server Error
501 - Not Implemented
502 - Bad Gateway
503 - Service Unavailable
504 - Gateway timeout
=======================================================================
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1xx Informational
100 Continue
101 Switching Protocols
102 Processing (WebDAV)
2xx Success
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status (WebDAV)
208 Already Reported (WebDAV)
226 IM Used
3xx Redirection
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
306 (Unused)
307 Temporary Redirect
308 Permanent Redirect (experimental)
4xx Client Error
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Request Entity Too Large
414 Request-URI Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot (RFC 2324)
420 Enhance Your Calm (Twitter)
422 Unprocessable Entity (WebDAV)
423 Locked (WebDAV)
424 Failed Dependency (WebDAV)
425 Reserved for WebDAV
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
444 No Response (Nginx)
449 Retry With (Microsoft)
450 Blocked by Windows Parental Controls (Microsoft)
451 Unavailable For Legal Reasons
499 Client Closed Request (Nginx)
5xx Server Error
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates (Experimental)
507 Insufficient Storage (WebDAV)
508 Loop Detected (WebDAV)
509 Bandwidth Limit Exceeded (Apache)
510 Not Extended
511 Network Authentication Required
598 Network read timeout error
599 Network connect timeout error
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=====================================================================
Information [100 - 199] == Success [200 - 299]
---------------------------------------------------------------------
100 - Continue == 200 - Ok
101 - Switching Protocols == 201 - Created
102 - Processing == 202 - Accepted
103 - Early Hints == 204 - No Content
== 206 - Partial Content
======================================================================
Redirect [300 - 399] == Client Error [400 - 499]
----------------------------------------------------------------------
300 - Multiple Choices == 400 - Bad Request
301 - Moved Permanantly == 401 - Unauthorized
302 - Found (Previously -
Moved Temporarily) == 402 - Payment Required
304 - Not Modified == 403 - Forbidden
307 - Temporary Redirect == 404 - Not Found
308 - Permanant Redirect == 409 - Conflict
======================================================================
Server Error [500 - 599]
----------------------------------------------------------------------
500 - Internal Server Error
501 - Not Implemented
502 - Bad Gateway
503 - Service Unavailable
504 - Gateway timeout
=======================================================================
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//Following are HTTP status codes
100 Continue
101 Switching Protocols
103 Early Hints
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
307 Temporary Redirect
308 Permanent Redirect
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
405 Method Not Allowed
406 Not Acceptable
407 Proxy Authentication Required
408 Request Timeout
409 Conflict
410 Gone
411 Length Required
412 Precondition Failed
413 Payload Too Large
414 URI Too Long
415 Unsupported Media Type
416 Range Not Satisfiable
417 Expectation Failed
418 I'm a teapot
422 Unprocessable Entity
425 Too Early
426 Upgrade Required
428 Precondition Required
429 Too Many Requests
431 Request Header Fields Too Large
451 Unavailable For Legal Reasons
500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported
506 Variant Also Negotiates
507 Insufficient Storage
508 Loop Detected
510 Not Extended
511 Network Authentication Required
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// Informational responses (100 - 199)
101 - Switching Protocol
// Successful responses (200 - 299)
200 - OK
201 - Created (eg. from post request)
// Redirection messages (300 - 399)
302 - Found (successful redirection from one url to another)
304 - Not Modified (using browser cache)
// Client errors (400 - 499)
400 - Bad Request (eg. invalid data sent)
401 - Unauthorized
404 - Not Found
// Server errors (500 - 599)
500 - Internal Server Error