Status Code Meaning 

 

1xx CODES – INFORMATION ONLY

100 – Continue; part of request received

101 – OK to switch protocols

 

 

2xx CODES – SUCCESS

200 – OK; all requested info returned

201 – Created; request filled

202 – Accepted; request received

203 – Source unknown; info came from 3rd party

204 – No new content; nothing to send back

205 – Reset content; OK to clear form

206 – Request only partially filled

 

 

3xx CODES – REDIRECTION

300 – Header for 3xx codes

301 – Moved permanently; use new URL

302 – Moved temporarily; use same URL

303 – Redirected

304 – Not modified since; use cached copy

305 – Use proxy; URL is provided

 

 

4xx CODES – FAILURE

400 – Did not understand request; try again

401 – Authorization required; needs password

402 – Payment required; needs payment data

403 – Request refused; may not give reason

404 – Not found; not sure of reason (typo, etc.)

406 – Content type not acceptable to request

407 – Browser must authenticate itself

408 – Timed out; send request again

409 – Update conflict; explanation provided

410 – Not found; resource permanently gone

411 – Content length missing in request

412 – Conditions on request failed

413 – Request too long to process

414 – Resource address too long to process

415 – Unsupported media type; bad format

 

 

5xx CODES – SERVER ERRORS

500 – Internal server error

501 – Server cannot fill request

502 – Server cannot process gateway request

503 – Server overloaded or service over limits

504 – Gateway or proxy server timed out

505 – HTTP version not supported in server