RestFul ํ•œ API์˜ HTTP Response Code

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๐Ÿ“ RestFul ํ•œ API์˜ HTTP Response Code

Restfulํ•œ API๋ฅผ ๋งŒ๋“ค๊ธฐ ์œ„ํ•ด์„œ HTTP Response Code์— ๋Œ€ํ•ด์„œ ์ •๋ฆฌํ•ด๋ณด๋ ค๊ณ  ํ•œ๋‹ค.
์ •ํ™•ํ•œ HTTP Response Code๊ฐ€ Client์— ์ „๋‹ฌ๋˜์–ด์•ผ Front-end ๊ฐœ๋ฐœ์ž๋“ค์ด ๊ฐœ๋ฐœ ๋ฐ ํŒ๋‹จ์— ๋„์›€์ด ๋˜๊ธฐ ๋•Œ๋ฌธ์— ์ •๋ฆฌํ•ด๋ณด๋ ค๊ณ  ํ•œ๋‹ค.

๊ธฐ๋ณธ์ ์ธ HTTP Response Code์˜ ์ฒด๊ณ„๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

Code ๋Œ€์—ญ๋ถ„๋ฅ˜์„ค๋ช…
1 x x์ •๋ณดClient์—์„œ ์š”์ฒญ์„ ๋ฐ›๊ณ  ํ”„๋กœ์„ธ์Šค๋ฅผ ๊ณ„์† ์ง„ํ–‰
2 x x์„ฑ๊ณตClient์—์„œ ์š”์ฒญ์„ ์„ฑ๊ณต์ ์œผ๋กœ ๋ฐ›๊ณ , ์ธ์‹ํ–ˆ์œผ๋ฉฐ ์š”์ฒญ์„ ์ˆ˜์šฉ
3 x x๋ฆฌ๋‹ค์ด๋ ‰์…˜Client์˜ ์š”์ฒญ์„ ์™„๋ฃŒํ•˜๊ธฐ ์œ„ํ•œ ์ถ”๊ฐ€ ์ž‘์—… ํ•„์š”
4 x xํด๋ผ์ด์–ธํŠธ ์˜ค๋ฅ˜Client์˜ ์š”์ฒญ์˜ ๋ฌธ๋ฒ•์ด ์ž˜๋ชป๋˜๊ฑฐ๋‚˜, ์ฒ˜๋ฆฌ ๋ถˆ๊ฐ€
5 x x์„œ๋ฒ„ ์˜ค๋ฅ˜Client์˜ ์œ ํšจํ•œ ์š”์ฒญ์„ ๋ฐ›์•˜์œผ๋‚˜, ์„œ๋ฒ„์—์„œ ๋ช…๋ฐฑํ•œ ์˜ค๋ฅ˜ ๋ฐœ์ƒ



๐Ÿšฉ Response Code - 1XX ( ์ •๋ณด )

  • ํ•ด๋‹น Response Code๋Š” HTTP 1.0์—์„œ ์ง€์›๋˜์ง€ ์•Š์Œ

๐Ÿ”จ 100 - Continue

Server๊ฐ€ ์ง„ํ–‰ ์ค‘์ž„์„ ์˜๋ฏธํ•˜๋Š” Response Code.
ํ˜„์žฌ๊นŒ์ง€์˜ ์ง„ํ–‰์ƒํƒœ์— ๋ฌธ์ œ๊ฐ€ ์—†์œผ๋ฉฐ, Client๊ฐ€ ์š”์ฒญ์„ ํ•˜๊ฑฐ๋‚˜ ์ด๋ฏธ ์š”์ฒญ์„ ์™„๋ฃŒํ•œ ๊ฒฝ์šฐ์—๋Š” ๋ฌด์‹œํ•ด๋„ ๋œ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๋ ค์คŒ.


๐Ÿ”จ 101 - Switching Protocol

Client๊ฐ€ ๋ณด๋‚ธ ์—…๊ทธ๋ ˆ์ด๋“œ ์š”์ฒญ ํ—ค๋”์— ๋Œ€ํ•œ ์‘๋‹ต์œผ๋กœ ๋ณด๋‚ด์ง‘๋‹ˆ๋‹ค.
โ†’ WebSocket์œผ๋กœ ์ „ํ™˜์‹œ์— ์‚ฌ์šฉ๋˜๋Š” Response Code


๐Ÿ”จ 102 - Processing(WebDAV)

์„œ๋ฒ„๊ฐ€ ์š”์ฒญ์„ ์ˆ˜์‹ ํ•˜์˜€์œผ๋ฉฐ ์ด๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ณ  ์žˆ์ง€๋งŒ, ์•„์ง ์ œ๋Œ€๋กœ ๋œ ์‘๋‹ต์„ ์•Œ๋ ค์ค„ ์ˆ˜ ์—†์Œ



๐Ÿšฉ Response Code - 2XX ( ์„ฑ๊ณต )


๐Ÿ”จ 200 - OK

Client ์š”์ฒญ์ด ์„ฑ๊ณต์ ์ด๋ฏ€๋กœ ์š”์ฒญ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์‘๋‹ต์œผ๋กœ ๋ฐ˜ํ™˜.


๐Ÿ”จ 201 - Created

Client ์š”์ฒญ์ด ์„ฑ๊ณต์ ์ด๋ฉฐ, ํ•ด๋‹น ์š”์ฒญ์œผ๋กœ ์ƒˆ๋กœ์šด ๋ฆฌ์†Œ์Šค๊ฐ€ ์ƒ์„ฑ๋จ.
โ†’ ์ผ๋ฐ˜์ ์œผ๋กœ Post, Put ์š”์ฒญ์— ์‚ฌ์šฉ๋จ.


๐Ÿ”จ 202 - Accepted

Client ์š”์ฒญ์„ ์ˆ˜์‹ ํ•˜์˜€์œผ๋‚˜ ๊ทธ์— ์‘ํ•˜์—ฌ ํ–‰๋™ํ•  ์ˆ˜ ์—†์Œ.
โ†’ ํ•ด๋‹น ์š”์ฒญ์— ๋Œ€ํ•œ ์‘๋‹ต์„ ๋น„๋™๊ธฐ๋กœ Client์—๊ฒŒ ์ค„์ง€ ์žฅ๋‹ดํ•  ์ˆ˜ ์—†์Œ.
โ†’ ์ด Response Code๋Š” ์„œ๋ฒ„๊ฐ€ ๋‹ค๋ฅธ ํ”„๋กœ์„ธ์Šค์—์„œ ์ฒ˜๋ฆฌ, ์š”์ฒญ, ๋ฐฐ์น˜ ํ”„๋กœ์„ธ์Šค๋ฅผ ํ•˜๊ณ  ์žˆ๋Š” ๊ฒฝ์šฐ ๋•Œ๋ฌธ์— ๋งŒ๋“ค์–ด์ง.


๐Ÿ”จ 203 - Non-Authoritative Information

Client๋กœ ๋ถ€ํ„ฐ ๋ฐ›์€ ๋ฉ”ํƒ€ ์ •๋ณด ์„ธํŠธ๊ฐ€ ์˜ค๋ฆฌ์ง„ ์„œ๋ฒ„์˜ ๊ฒƒ๊ณผ ์ผ์น˜ํ•˜์ง€ ์•Š์ง€๋งŒ ๋กœ์ปฌ์ด๋‚˜ ์„œ๋“œ ํŒŒํ‹ฐ ๋ณต์‚ฌ๋ณธ์—์„œ ๋ชจ์•„์กŒ์Œ์„ ์˜๋ฏธํ•˜๋ฉฐ, ์œ„์™€ ๊ฐ™์€ ์กฐ๊ฑด์—์„œ ํ•ด๋‹น Reponse Code๊ฐ€ ์•„๋‹Œ 200 - OK Response Code๋ฅผ ๋ฐ˜๋“œ์‹œ ์šฐ์„ ํ•ด์•ผํ•œ๋‹ค.


๐Ÿ”จ 204 - No Content

Client์˜ ์š”์ฒญ์— ๋Œ€ํ•ด์„œ ๋ณด๋‚ด์ค„ ์ˆ˜ ์žˆ๋Š” ์ปจํ…์ธ ๊ฐ€ ์—†์Œ์„ ์˜๋ฏธํ•œ๋‹ค.
ํ•˜์ง€๋งŒ ํ—ค๋”๋Š” ์˜๋ฏธ ์žˆ์„ ์ˆ˜ ์žˆ๊ณ , ์บ์‹œ๋œ ํ—ค๋”๋ฅผ ์ƒˆ๋กœ์šด ํ—ค๋”๋กœ ์—…๋ฐ์ดํŠธ ํ•  ์ˆ˜ ์žˆ๋‹ค.


๐Ÿ”จ 205 - Reset Content

Client์˜ ์š”์ฒญ์„ ์™„์ˆ˜ํ•œ ์ดํ›„์— Client์—๊ฒŒ ์ด ์š”์ณฅ์„ ๋ณด๋‚ธ ๋ฌธ์„œ ๋ทฐ๋ฅผ ๋ฆฌ์…‹ํ•˜๋ผ๋Š” ๋ช…๋ น.


๐Ÿ”จ 206 - Partial Content

Client์—์„œ ๋ณต์ˆ˜์˜ ์ŠคํŠธ๋ฆผ์„ ๋ถ„ํ•  ๋‹ค์šด๋กœ๋“œ ํ•˜๊ณ ์ž ๋ฒ”์œ„ ํ—ค๋”๋ฅผ ์ „์†กํ–ˆ์„ ๋•Œ ์‚ฌ์šฉ.
Client๊ฐ€ ์ด์–ด๋ฐ›๊ธฐ๋ฅผ ์‹œ๋„ํ•˜๋ฉด Web Server๊ฐ€ ์ด์— ๋Œ€ํ•œ ์‘๋‹ต์ฝ”๋“œ๋กœ ํ•ด๋‹น ์ฝ”๋“œ์™€ ํ•จ๊ป˜ Range ํ—ค๋”์— ๋ช…์‹œ๋œ ๋ฐ์ดํ„ฐ์˜ ๋ถ€๋ถ„๋ถ€ํ„ฐ ์ „์†ก์„ ์‹œ์ž‘ํ•จ.


๐Ÿ”จ 207 - Multi-Status

์—ฌ๋Ÿฌ ๋ฆฌ์†Œ์Šค๊ฐ€ ์—ฌ๋Ÿฌ ์ƒํƒœ ์ฝ”๋“œ์ธ ์ƒํ™ฉ์ด ์ ์ ˆํ•œ ๊ฒฝ์šฐ์— ํ•ด๋‹น๋˜๋Š” ์ •๋ณด๋ฅผ ์ „๋‹ฌ.
โ†’ ํ•ด๋‹น ์ฝ”๋“œ๋Š” WebDAV์— ์‚ฌ์šฉ.


๐Ÿ”จ 208 - Already Reported

Porstat ( Property + Status ํ•ฉ์„ฑ์–ด ) ์‘๋‹ต ์†์„ฑ์œผ๋กœ ๋™์ผ ์ปฌ๋ ‰์…˜์œผ๋กœ ๋ฐ”์ธ๋“œ๋œ ๋ณต์ˆ˜์˜ ๋‚ด๋ถ€ ๋ฉค๋ฒ„๋ฅผ ๋ฐ˜๋ณต์ ์œผ๋กœ ์—ด๊ฑฐํ•˜๋Š” ๊ฒƒ์„ ํ”ผํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ.
โ†’ ํ•ด๋‹น ์ฝ”๋“œ๋Š” WebDAV์— ์‚ฌ์šฉ.


๐Ÿ”จ 226 - IM Used ( HTTP Delta encoding )

Server๊ฐ€ Get์š”์ฒญ์— ๋Œ€ํ•œ ๋ฆฌ์†Œ์Šค์˜ ์˜๋ฌด๋ฅผ ๋‹ค ํ–ˆ๊ณ , ์‘๋‹ต์ด ํ•˜๋‚˜ ๋˜๋Š” ๊ทธ ์ด์ƒ์˜ ์ธ์Šคํ„ด์Šค ์กฐ์ž‘์ด ํ˜„์žฌ ์ธ์Šคํ„ด์Šค์— ์ ์šฉ ๋์Œ์„ ์•Œ๋ ค์คŒ.


๐Ÿšฉ Response Code - 3XX ( ๋ฆฌ๋‹ค์ด๋ ‰์…˜ )


๐Ÿ”จ 300 - Multiple Choice

request์— ๋Œ€ํ•ด์„œ ํ•˜๋‚˜ ์ด์ƒ์˜ ์‘๋‹ต์ด ๊ฐ€๋Šฅํ•˜๋ฉฐ, Client๋Š” ๊ทธ์ค‘ ํ•˜๋‚˜๋ฅผ ๋ฐ˜๋“œ์‹œ ์„ ํƒํ•ด์•ผํ•จ.
์‘๋‹ต ์ค‘ ํ•˜๋‚˜๋ฅผ ์„ ํƒํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ํ‘œ์ค€์€ ์กด์žฌํ•˜์ง€ ์•Š์Œ.


๐Ÿ”จ 301 - Moved Permanently

request์˜ URI๊ฐ€ ๋ณ€๊ฒฝ๋˜์—ˆ์Œ์„ ์˜๋ฏธํ•จ.
Restful ๋‹จ๊ณ„์— ๋”ฐ๋ผ์„œ ์ƒˆ๋กœ์šด URI๊ฐ€ ์ œ๊ณต๋  ์ˆ˜ ์žˆ์Œ.


๐Ÿ”จ 302 - Found

request์˜ URI๊ฐ€ ์ผ์‹œ์ ์œผ๋กœ ๋ณ€๊ฒฝ๋˜์—ˆ๊ฑฐ๋‚˜ ๋งŒ๋“œ๋Š”์ค‘์ด๋ผ๋Š” ๊ฒƒ์„ ์˜๋งˆํ•˜๋ฏ€๋กœ Client๋Š” ํ–ฅํ›„์˜ ์š”์ฒญ๋„ ํ•ด๋‹น URI๋กœ ์ง„ํ–‰ํ•˜๋ฉด ๋จ.


๐Ÿ”จ 303 - See Other

Client๊ฐ€ ์š”์ฒญํ•œ ๋ฆฌ์†Œ์Šค๋ฅผ ๋‹ค๋ฅธ URI์—์„œ Get ์š”์ฒญ์„ ํ†ตํ•ด์„œ ์–ป์–ด์•ผํ•  ๋•Œ Server๊ฐ€ Client๋กœ ์ง์ ‘ ๋ณด๋‚ด๋Š” ์‘๋‹ต.


๐Ÿ”จ 304 - Not Modified

์บ์‹œ์˜ ๋ชฉ์ ์œผ๋กœ ์‚ฌ์šฉ๋˜๋ฉฐ, Client์—๊ฒŒ ์‘๋‹ต์ด ์ˆ˜์ •๋˜์ง€ ์•Š์•˜์Œ์„ ์•Œ๋ ค์ค€๋‹ค.
๋”ฐ๋ผ์„œ Client๋Š” ๊ณ„์†ํ•ด์„œ ์บ์‹œ๋œ ๋ฒ„์ „์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์„ ์•Œ๋ ค์ค€๋‹ค.


๐Ÿ”จ 305 - Use Proxy

์ด์ „ ๋ฒ„์ „์˜ HTTP ๊ธฐ์ˆ  ์‚ฌ์–‘์—์„œ ์ •์˜๋˜์—ˆ์œผ๋ฉฐ, request์˜ ์‘๋‹ต์€ ๋ฐ˜๋“œ์‹œ ํ”„๋ก์‹œ๋ฅผ ํ†ตํ•ด์„œ ์ ‘์†ํ•ด์•ผํ•œ๋‹ค๊ณ  ์•Œ๋ ค์ฃผ๋Š” ์‘๋‹ต.
ํ•ด๋‹น ์‘๋‹ต์€ proxy์˜ in-band ์„ค์ •์— ๋Œ€ํ•œ ๋ณด์•ˆ์ƒ์˜ ๊ฑฑ์ •์œผ๋กœ ์ธํ•˜์—ฌ ์ ์  ์‚ฌ๋ผ์ ธ๊ฐ€๋Š” ์ถ”์„ธ.


๐Ÿ”จ 306 - Unused

ํ•ด๋‹น ์‘๋‹ต์€ ๋”์ด์ƒ ์‚ฌ์šฉ๋˜์ง€ ์•Š์œผ๋‚˜ ํ˜„์žฌ๋Š” ์ถ”ํ›„ ์‚ฌ์šฉ์„ ์œ„ํ•ด ์˜ˆ์•ฝ๋˜์–ด ์žˆ๋‹ค๋Š” ์‘๋‹ต.
์œ„ ์‘๋‹ต์€ HTTP 1.1 ๊ธฐ์ˆ ์‚ฌ์–‘ ์ด์ „ ๋ฒ„์ „์—์„œ ์‚ฌ์šฉ๋˜์—ˆ๋‹ค.


๐Ÿ”จ 307 - Temporary Redirect

Client๊ฐ€ requestํ•œ ๋ฆฌ์†Œ์Šค๊ฐ€ ๋‹ค๋ฅธ URI์— ์žˆ์œผ๋ฉฐ, ์ด์ „ ์š”์ฒญ๊ณผ ๋™์ผํ•œ HTTP Method๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์š”์ฒญํ•ด์•ผํ•  ๋•Œ Server๊ฐ€ Client์— ์ด ์‘๋‹ต์„ ์ง์ ‘ ๋ณด๋‚ธ๋‹ค.
ํ•ด๋‹น ์‘๋‹ต์€ 302 ์‘๋‹ต๊ณผ ๋™์ผํ•œ ์˜๋ฏธ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ์œผ๋‚˜ Client๊ฐ€ HTTP Method๋ฅผ ๋ณ€๊ฒฝํ•˜์ง€ ๋ง์•„์•ผํ•œ๋‹ค๋Š” ์ ๋งŒ ๋‹ค๋ฅด๋‹ค.


๐Ÿ”จ 308 - Permanent Redirect

Client๊ฐ€ requestํ•œ ๋ฆฌ์†Œ์Šค๊ฐ€ ์˜๊ตฌํžˆ ๋‹ค๋ฅธ URI๋กœ ๋ณ€๊ฒฝ๋˜์—ˆ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•œ๋‹ค.
ํ•ด๋‹น ์‘๋‹ต์€ 301 ์‘๋‹ต๊ณผ ๋™์ผํ•œ ์˜๋ฏธ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ์œผ๋‚˜ Client๊ฐ€ HTTP Method๋ฅผ ๋ณ€๊ฒฝํ•˜์ง€ ๋ง์•„์•ผํ•œ๋‹ค๋Š” ์ ๋งŒ ๋‹ค๋ฅด๋‹ค.


๐Ÿšฉ Response Code - 4XX ( ํด๋ผ์ด์–ธํŠธ ์˜ค๋ฅ˜ )


๐Ÿ”จ 400 - Bad Request

Client๊ฐ€ ์ž˜๋ชป๋œ ๋ฌธ๋ฒ•์œผ๋กœ ์ ‘๊ทผํ•˜์—ฌ ์„œ๋ฒ„๊ฐ€ request๋ฅผ ์ดํ•ดํ•  ์ˆ˜ ์—†๋‹ค๋Š” ์‘๋‹ต.


๐Ÿ”จ 401 - Unauthorized

Client๊ฐ€ ์ธ์ฆ๋˜์ง€ ์•Š์•˜๋‹ค๋Š” ์˜๋ฏธ์˜ ์‘๋‹ต.
โ†’ HTTP ํ‘œ์ค€์—์„œ๋Š” '๋ฏธ์Šน์ธ'์œผ๋กœ ๋ช…ํ™•ํ•˜๊ฒŒ ํ•˜๊ณ  ์žˆ์ง€๋งŒ ์˜๋ฏธ์ƒ '๋ฏธ์ธ์ฆ'์œผ๋กœ ์‚ฌ์šฉ๋จ.


๐Ÿ”จ 402 - Payment Required

ํ•ด๋‹น ์‘๋‹ต์ฝ”๋“œ๋Š” ๋””์ง€ํ„ธ ๊ฒฐ์ œ ์‹œ์Šคํ…œ์— ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ ๋งŒ๋“ค์–ด์กŒ์ง€๋งŒ ํ˜„์žฌ๋Š” ์‚ฌ์šฉ๋˜๊ณ  ์žˆ์ง€ ์•Š๋‹ค.


๐Ÿ”จ 403 - Forbidden

Client๊ฐ€ ๋ฆฌ์†Œ์Šค์— ์ ‘๊ทผํ•  ๊ถŒ๋ฆฌ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ์ง€ ์•Š๋‹ค๋Š” ์‘๋‹ต.
โ†’ 401 ๊ณผ ๋‹ค๋ฅธ ์ ์€ Client๊ฐ€ ๋ˆ„๊ตฐ์ง€๋Š” Server์—์„œ ์ธ์‹ํ•˜๊ณ  ์žˆ์Œ.


๐Ÿ”จ 404 - Not Found

๋ธŒ๋ผ์šฐ์ €์—์„œ๋Š” ์•Œ๋ ค์ง€์ง€ ์•Š์€ URI๋ฅผ ์˜๋ฏธํ•˜๋ฉฐ, API์˜ ์ข…์ ์„ ์ ์ ˆํ•˜์ง€๋งŒ ๋ฆฌ์†Œ์Šค๋ฅผ Server๊ฐ€ ์ฐพ์„ ์ˆ˜ ์—†์Œ์„ ์˜๋ฏธํ•œ๋‹ค.
โ†’ Server๋“ค์€ ์ธ์ฆ๋ฐ›์ง€ ์•Š์€ Client๋กœ ๋ถ€ํ„ฐ ๋ฆฌ์†Œ์Šค๋ฅผ ์ˆจ๊ธฐ๊ธฐ์œ„ํ•˜์—ฌ 403 ๋Œ€์‹ ์— ์ „์†กํ•  ์ˆ˜ ๋„ ์žˆ๋‹ค.


๐Ÿ”จ 405 - Method Not Allow

Client์˜ request์— HTTP Method๊ฐ€ ์ ์ ˆํ•˜์ง€ ์•Š์„๋•Œ Server์—์„œ ๋ณด๋‚ด์ฃผ๋Š” ์‘๋‹ต.


๐Ÿ”จ 406 - Not Acceptable

Client์˜ request์— ๋งž๋Š” ๊ทœ๊ฒฉ์˜ ์–ด๋– ํ•œ ๋ฆฌ์†Œ์Šค๋„ ์กด์žฌํ•˜์ง€ ์•Š์„๋•Œ Server์—์„œ ๋ณด๋‚ด๋Š” ์‘๋‹ต.


๐Ÿ”จ 407 - Proxy Authentication Required

401 ์‘๋‹ต๊ณผ ๋น„์Šทํ•˜์ง€๋งŒ proxy์— ์˜ํ•ด ์™„๋ฃŒ๋œ ์ธ์ฆ์ด ํ•„์š”ํ•˜๋‹ค.


๐Ÿ”จ 408 - Request Timeout

Client์˜ request ์‹œ๊ฐ„์ด ์˜ค๋ž˜๋œ ์—ฐ๊ฒฐ์— ์‘๋‹ต์œผ๋กœ ๋ณด๋‚ด์ง€๋ฉฐ, Server๊ฐ€ ์‚ฌ์šฉ๋˜์ง€ ์•Š๋Š” ์—ฐ๊ฒฐ์„ ๋Š๊ณ ์‹ถ์–ดํ•  ๋•Œ๋„ ์‚ฌ์šฉํ•จ.


๐Ÿ”จ 409 - Conflict

Server์˜ ์ƒํƒœ์™€ ์ถฉ๋Œ๋ ๋•Œ ๋ณด๋‚ด๋Š”๋ฐ ๋Œ€ํ‘œ์ ์œผ๋กœ ๋ฐ์ดํ„ฐ ์ถฉ๋Œ์‹œ์— ์ฃผ๋กœ ์‚ฌ์šฉํ•˜์˜€๋‹ค.


๐Ÿ”จ 410 - Gone

Client๊ฐ€ ์›ํ•œ ๋ฆฌ์†Œ์Šค๊ฐ€ Server์—์„œ ์˜๊ตฌ์ ์œผ๋กœ ์‚ญ์ œ๋˜๊ณ , ์ „๋‹ฌํ•ด ์ค„์ˆ˜ ์žˆ๋Š” ์ฃผ์†Œ ์—ญ์‹œ ์กด์žฌํ•˜์ง€ ์•Š์„ ๋•Œ ์‚ฌ์šฉํ•˜๋Š” ์‘๋‹ต.


๐Ÿ”จ 411 - Length Required

Client์˜ request header์— ์ •๋ณด๊ฐ€ ์ œ๋Œ€๋กœ ์ฑ„์›Œ์ง€์ง€ ์•Š์•˜์„ ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ์‘๋‹ต.


๐Ÿ”จ 412 - Precondition Failed

Client์˜ header์— ์žˆ๋Š” ์ „์ œ ์กฐ๊ฑด์ด Server์˜ ์ „์ œ ์กฐ๊ฑด๊ณผ ๋งž์ง€ ์•Š์„ ๋•Œ ์‘๋‹ต.


๐Ÿ”จ 413 - Payload Too Large

Client์˜ request payload๊ฐ€ ๋„ˆ๋ฌด ํด ๋•Œ์˜ ์‘๋‹ต.
Server์—์„œ๋Š” ์—ฐ๊ฒฐ์„ ๋Š์„ ๊ฒƒ.


๐Ÿ”จ 414 - URI Too Long

Client์˜ request URI๊ฐ€ ์„œ๋ฒ„์—์„œ ์ฒ˜๋ฆฌํ•˜๊ธฐ๋กœ ํ•œ ๊ธธ์ด๋ณด๋‹ค ๊ธธ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 415 - Unsupported Media Type

Client์˜ request media Type์€ ์ง€์›ํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 416 - Requested Range Not Satisfiable

Client์˜ request URI ๋ฐ์ดํ„ฐ์˜ ํฌ๊ธฐ๋ฅผ ๋ฒ—์–ด๋‚ฌ์„์ˆ˜๋„ ์žˆ๋Š” ์ƒํ™ฉ์— ๋ณด๋‚ด๋Š” ์‘๋‹ต.
โ†’ ํ™•์ •์ ์€ ์•„๋‹ˆ๋‚˜ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์„ ๊ฒฝ์šฐ ์‚ฌ์šฉ.


๐Ÿ”จ 417 - Expectation Failed

Expect ์š”์ฒญ ํ—ค๋” ํ•„๋“œ๋กœ ์š”์ฒญํ•œ ์˜ˆ์ƒ์ด Server์—์„œ๋Š” ์ ๋‹นํ•˜์ง€ ์•Š์Œ.


๐Ÿ”จ 418 - I'm a teapot

์˜ˆ๋Šฅ ๊ฐ™์œผ๋ฏ€๋กœ ํŒจ์Šค ~


๐Ÿ”จ 421 - Misdirected Request

Client์˜ request๋Š” Server์—์„œ ์‘๋‹ต์„ ์ƒ์„ฑํ•  ์ˆ˜ ์—†์„ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 422 - Unprocessable Entity ( WebDav )

๋ฌธ๋ฒ• ์˜ค๋ฅ˜๋กœ ์ธํ•˜์—ฌ ์‘๋‹ต์„ ์ƒ์„ฑ ๋ถˆ๊ฐ€ํ•œ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 423 - Locked ( WebDav )

๋ฆฌ์†Œ์Šค์— ์ ‘๊ทผ์ด ๋ง‰ํ˜€์žˆ๊ฑฐ๋‚˜, ํ•ด๋‹น ๋ฆฌ์†Œ์Šค ์ ‘๊ทผ์ด ์ž ๊ฒจ์žˆ๋Š” ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 424 - Failed Dependency ( WebDav )

์ด์ „์˜ request๊ฐ€ ์‹คํŒจํ•˜์—ฌ์„œ ์—ฐ์†๋œ request๊ฐ€ ์‹คํŒจํ•˜์˜€์„ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 426 - Upgrade Required

ํ•ด๋‹น request์˜ protocol์ด ๋งž์ง€ ์•Š์•„์„œ server๊ฐ€ ์ฒ˜๋ฆฌํ•˜๋Š” ๊ฒƒ์„ ๊ฑฐ์ ˆํ•˜์˜€์ง€๋งŒ
Client๊ฐ€ protocol์„ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•˜์—ฌ ์žฌ์š”์ฒญ ํ•  ๊ฒฝ์šฐ ์ฒ˜๋ฆฌ๊ฐ€ ๊ฐ€๋Šฅํ•  ๋•Œ์˜ ์‘๋‹ต.
โ†’ Server๊ฐ€ ์‘๋‹ต์— ํ•ด๋‹น protocol์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ๋ณด๋‚ด์ฃผ์–ด์•ผ ํ•จ.


๐Ÿ”จ 428 - Precondition Required

์—ฌ๋Ÿฌ๊ณณ์—์„œ ๋ฐ์ดํ„ฐ ๋ณ€๊ฒฝ ์‹œ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” '์—…๋ฐ์ดํŠธ ์ƒ์‹ค'์„ ์˜ˆ๋ฐฉํ•˜๊ธฐ ์œ„ํ•œ ์‘๋‹ต

๐Ÿ”จ 429 - Too Many Requests

์ง€์ •๋œ ์‹œ๊ฐ„์•ˆ์— ๋„ˆ๋ฌด ๋งŽ์€ request๊ฐ€ ์˜ฌ ๊ฒฝ์šฐ์˜ ์‘๋‹ต


๐Ÿ”จ 431 - Request Header Fields Too Large

request์˜ header์˜ ํฌ๊ธฐ๊ฐ€ ๋„ˆ๋ฌด ํด ๊ฒฝ์šฐ, Server๊ฐ€ ์ฒ˜๋ฆฌํ•˜์ง€ ์•Š๊ฒ ๋‹ค๋Š” ์‘๋‹ต.


์ •๋ถ€๋ถ€์ฒ˜๋กœ๋ถ€ํ„ฐ ๊ธˆ์ง€๋˜์–ด ๋ถˆ๋ฒ•์ ์ธ ๋ฆฌ์†Œ์Šค๋ฅผ Client๊ฐ€ requestํ•  ๋•Œ ์‚ฌ์šฉํ•˜๋Š” ์‘๋‹ต.


๐Ÿšฉ Response Code - 5XX ( ์„œ๋ฒ„ ์˜ค๋ฅ˜ )


๐Ÿ”จ 500 - Internal Server Error

Server๊ฐ€ ์•Œ ์ˆ˜ ์—†๋Š” ์ด์œ ๋กœ ๋ฌธ์ œ๊ฐ€ ์ƒ๊ฒผ์„ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 501 - Not Implemented

Server๊ฐ€ request์— ๋Œ€ํ•œ ํ•„์š”ํ•œ ๊ธฐ๋Šฅ์„ ์ง€์›ํ•˜์ง€ ์•Š์Œ์„ ๋‚˜ํƒ€๋ƒ„.


๐Ÿ”จ 502 - Bad Gateway

Server๊ฐ€ ๊ฒŒ์ดํŠธ์›จ์ด๋กœ๋ถ€ํ„ฐ ์ž˜๋ชป๋œ ์‘๋‹ต์„ ์ˆ˜์‹ ํ–ˆ์Œ์„ ์˜๋ฏธํ•˜๋ฉฐ ์ธํ„ฐ๋„ท์ƒ์˜ Server๊ฐ€ ๋‹ค๋ฅธ Server๋กœ ๋ถ€ํ„ฐ ์œ ํšจํ•˜์ง€ ์•Š์€ ์‘๋‹ต์„ ๋ฐ›์€ ๊ฒฝ์šฐ ๋ฐœ์ƒํ•จ.


๐Ÿ”จ 503 - Service Unavailable

Server๊ฐ€ request๋ฅผ ์ฒ˜๋ฆฌํ•  ์ค€๋น„๊ฐ€ ๋˜์ง€ ์•Š์•˜์Œ์„ ์˜๋ฏธํ•˜๋Š” ์‘๋‹ต.
โ†’ ํ•ด๋‹น ์‘๋‹ต์— ๋Œ€ํ•ด์„œ๋Š” Client๊ฐ€ ๋ฌธ์ œ๋ฅผ ์ •ํ™•ํ•˜๊ฒŒ ์•Œ ์ˆ˜ ์žˆ๋„๋ก ์‘๋‹ต์— ์•Œ๋ ค์ฃผ์–ด์•ผํ•จ.


๐Ÿ”จ 504 - Gateway Timeout

Server๊ฐ€ ๋‹ค๋ฅธ Server์— ์ ์ ˆํ•  ๋•Œ ์‘๋‹ต์„ ๋ฐ›์ง€ ๋ชปํ–ˆ์Œ์„ ์˜๋ฏธํ•˜๋ฏ€๋กœ ์‹ค์ œ๋กœ Server์˜ ๋ฌธ์ œ์ด๊ฑฐ๋‚˜ ๋„คํŠธ์›Œํฌ ๋ฌธ์ œ์ผ ๊ฐ€๋Šฅ์„ฑ์ด ์žˆ์„ ๋•Œ ํ•ด๋‹น ์‘๋‹ต์„ ๋ณด๋ƒ„.


๐Ÿ”จ 505 - HTTP Version Not Supported

Server๊ฐ€ ์ง€์›ํ•˜์ง€ ์•Š๋Š” Version์˜ HTTP ์š”์ฒญ์ด ๋“ค์–ด์™”์„ ๋•Œ ์‘๋‹ต์„ ๋ณด๋ƒ„.


๐Ÿ”จ 506 - Variant Also Negotiates

Server์˜ ๋‚ด๋ถ€ ๊ตฌ์„ฑ์— ์˜ค๋ฅ˜๊ฐ€ ์žˆ์„ ๊ฒฝ์šฐ ๋ณด๋‚ด๋Š” ์‘๋‹ต.


๐Ÿ”จ 507 - Insuffcient Storage

์›ํ•˜๋Š” ๋ฆฌ์†Œ์Šค์— ๋‚ด๋ถ€ ๊ตฌ์„ฑ ์˜ค๋ฅ˜๊ฐ€ ์žˆ๋Š” ๊ฒฝ์šฐ์— ๋ณด๋‚ด๋Š” ์‘๋‹ต.


๐Ÿ”จ 508 - Loop Detected ( WebDav )

Server๊ฐ€ ์‘๋‹ต์„ ๋งŒ๋“œ๋Š” ๋™์•ˆ ๋ฌดํ•œ ๋ฃจํ”„๊ฐ€ ๊ฐ์ง€๋˜๋Š” ๊ฒฝ์šฐ ๋ณด๋‚ด๋Š” ์‘๋‹ต.


๐Ÿ”จ 510 - Not Extended

Server๊ฐ€ ํ•ด๋‹น ์‘๋‹ต์„ ๋งŒ๋“œ๋ ค๋ฉด ์ถ”๊ฐ€ ํ™•์žฅ์ด ํ•„์š”ํ•œ ๊ฒฝ์šฐ์˜ ์‘๋‹ต.


๐Ÿ”จ 511 - Network Authentication Required

Server๊ฐ€ ๋„คํŠธ์›Œํฌ ์ธ์ฆ์ด ์•ˆ๋˜์–ด์„œ ์‘๋‹ต์„ ์ค„ ์ˆ˜ ์—†๋Š” ๊ฒฝ์šฐ ๋ฐœ์ƒ




๐Ÿ“Œ ๋งˆ๋ฌด๋ฆฌ

Restfulํ•œ API๋ฅผ ๋งŒ๋“ค๊ธฐ ์œ„ํ•ด์„œ HTTP Response Code์— ๋Œ€ํ•ด์„œ ์ •๋ฆฌํ•˜์˜€๋‹ค.
์ƒ๊ฐ๋ณด๋‹ค ๋‹ค์–‘ํ•œ Response Code๊ฐ€ ์žˆ์œผ๋ฉฐ, ์ž˜ ์ •๋ฆฌ๋˜์–ด ์žˆ์ง€๋งŒ ์‹ค๋ฌด๋ณด๋‹ค๋Š” ์ด๋ก ์ ์œผ๋กœ ๋„ˆ๋ฌด ๋งŽ์ด ์ ‘๊ทผํ•ด์„œ ์ •ํ•œ ๊ฒƒ์ด ์•„๋‹Œ๊ฐ€๋ผ๋Š” ์ƒ๊ฐ์ด ๋“ค๊ธฐ๋„ ํ•˜์˜€๋‹ค.
์ž˜ ์ˆ™์ง€ํ•ด์„œ ์‚ฌ์šฉํ•ด์•ผ๊ฒ ๋‹ค.

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