error codes in http code example

Example 1: 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

Example 2: http response status codes

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