{"id":571803,"date":"2026-07-29T10:28:25","date_gmt":"2026-07-29T03:28:25","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=571803"},"modified":"2026-07-29T10:28:25","modified_gmt":"2026-07-29T03:28:25","slug":"api-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/api-la-gi\/","title":{"rendered":"API l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i API v\u00e0 v\u00ed d\u1ee5"},"content":{"rendered":"<p><strong>API (Application Programming Interface \u2013 giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng) l\u00e0 t\u1eadp h\u1ee3p c\u00e1c quy t\u1eafc v\u00e0 giao th\u1ee9c cho ph\u00e9p hai ph\u1ea7n m\u1ec1m kh\u00e1c nhau giao ti\u1ebfp, g\u1eedi y\u00eau c\u1ea7u v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau.<\/strong> N\u00f3i ng\u1eafn g\u1ecdn, API l\u00e0 &#8220;c\u1ea7u n\u1ed1i&#8221; gi\u00fap m\u1ed9t \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c t\u00ednh n\u0103ng ho\u1eb7c d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng kh\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft h\u1ec7 th\u1ed1ng \u0111\u00f3 v\u1eadn h\u00e0nh b\u00ean trong ra sao. M\u1ed7i l\u1ea7n b\u1ea1n \u0111\u0103ng nh\u1eadp b\u1eb1ng t\u00e0i kho\u1ea3n Google, xem b\u1ea3n \u0111\u1ed3 nh\u00fang trong m\u1ed9t app \u0111\u1eb7t xe hay thanh to\u00e1n tr\u1ef1c tuy\u1ebfn, ph\u00eda sau \u0111\u1ec1u c\u00f3 API \u0111ang l\u00e0m vi\u1ec7c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch API ho\u1ea1t \u0111\u1ed9ng, c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh, nh\u1eefng lo\u1ea1i API ph\u1ed5 bi\u1ebfn v\u00e0 v\u00ed d\u1ee5 d\u1ec5 h\u00ecnh dung.<\/p>\n<h2>API l\u00e0 g\u00ec?<\/h2>\n<p>API l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Application Programming Interface, d\u1ecbch sang ti\u1ebfng Vi\u1ec7t l\u00e0 giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng. \u0110\u00e2y l\u00e0 b\u1ed9 quy t\u1eafc quy \u0111\u1ecbnh m\u1ed9t \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ph\u00e9p h\u1ecfi g\u00ec, h\u1ecfi theo \u0111\u1ecbnh d\u1ea1ng n\u00e0o, v\u00e0 s\u1ebd nh\u1eadn l\u1ea1i d\u1eef li\u1ec7u ra sao t\u1eeb m\u1ed9t \u1ee9ng d\u1ee5ng ho\u1eb7c d\u1ecbch v\u1ee5 kh\u00e1c.<\/p>\n<p>C\u00f3 hai c\u00e1ch v\u00ed von gi\u00fap b\u1ea1n h\u00ecnh dung nhanh:<\/p>\n<ul>\n<li><strong>Ng\u01b0\u1eddi ph\u1ee5c v\u1ee5 trong nh\u00e0 h\u00e0ng:<\/strong> b\u1ea1n (\u1ee9ng d\u1ee5ng) kh\u00f4ng t\u1ef1 v\u00e0o b\u1ebfp n\u1ea5u \u0103n. B\u1ea1n g\u1ecdi m\u00f3n qua ng\u01b0\u1eddi ph\u1ee5c v\u1ee5 (API), h\u1ecd chuy\u1ec3n y\u00eau c\u1ea7u xu\u1ed1ng b\u1ebfp (m\u00e1y ch\u1ee7), r\u1ed3i mang m\u00f3n \u0103n (d\u1eef li\u1ec7u) ra cho b\u1ea1n. B\u1ea1n kh\u00f4ng c\u1ea7n bi\u1ebft b\u1ebfp c\u00f3 bao nhi\u00eau \u0111\u1ea7u b\u1ebfp hay c\u00f4ng th\u1ee9c n\u1ea5u th\u1ebf n\u00e0o.<\/li>\n<li><strong>\u1ed4 c\u1eafm \u0111i\u1ec7n:<\/strong> m\u1ecdi thi\u1ebft b\u1ecb ch\u1ec9 c\u1ea7n \u0111\u00fang chu\u1ea9n ph\u00edch c\u1eafm l\u00e0 d\u00f9ng \u0111\u01b0\u1ee3c \u0111i\u1ec7n, kh\u00f4ng c\u1ea7n hi\u1ec3u nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u1eadn h\u00e0nh ra sao. API c\u0169ng l\u00e0 m\u1ed9t &#8220;chu\u1ea9n c\u1eafm&#8221; nh\u01b0 v\u1eady gi\u1eefa c\u00e1c ph\u1ea7n m\u1ec1m.<\/li>\n<\/ul>\n<p>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t: API che gi\u1ea5u ph\u1ea7n ph\u1ee9c t\u1ea1p b\u00ean trong v\u00e0 ch\u1ec9 m\u1edf ra \u0111\u00fang nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft. Nh\u1edd v\u1eady, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng t\u00ednh n\u0103ng c\u1ee7a b\u00ean kh\u00e1c thay v\u00ec x\u00e2y l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-571804\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-1.jpg\" alt=\"api-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>API ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>API ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh <strong>request \u2013 response<\/strong> (y\u00eau c\u1ea7u \u2013 ph\u1ea3n h\u1ed3i). Quy tr\u00ecnh g\u1ed3m b\u1ed1n b\u01b0\u1edbc:<\/p>\n<ul>\n<li><strong>B\u01b0\u1edbc 1:<\/strong> \u1ee8ng d\u1ee5ng (client) g\u1eedi m\u1ed9t y\u00eau c\u1ea7u (request) t\u1edbi \u0111\u1ecba ch\u1ec9 API, k\u00e8m th\u00f4ng tin c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>B\u01b0\u1edbc 2:<\/strong> M\u00e1y ch\u1ee7 nh\u1eadn y\u00eau c\u1ea7u, ki\u1ec3m tra quy\u1ec1n truy c\u1eadp v\u00e0 t\u00ednh h\u1ee3p l\u1ec7 c\u1ee7a d\u1eef li\u1ec7u g\u1eedi l\u00ean.<\/li>\n<li><strong>B\u01b0\u1edbc 3:<\/strong> M\u00e1y ch\u1ee7 x\u1eed l\u00fd, truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c t\u00ednh to\u00e1n \u0111\u1ec3 l\u1ea5y k\u1ebft qu\u1ea3.<\/li>\n<li><strong>B\u01b0\u1edbc 4:<\/strong> M\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i (response), th\u01b0\u1eddng \u1edf \u0111\u1ecbnh d\u1ea1ng JSON, k\u00e8m m\u1ed9t m\u00e3 tr\u1ea1ng th\u00e1i cho bi\u1ebft y\u00eau c\u1ea7u th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i.<\/li>\n<\/ul>\n<p>To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng di\u1ec5n ra trong v\u00e0i tr\u0103m mili gi\u00e2y v\u00e0 ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i g\u1ea7n nh\u01b0 kh\u00f4ng nh\u1eadn ra.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ed9t l\u1eddi g\u1ecdi API<\/h3>\n<ul>\n<li><strong>Endpoint<\/strong> (\u0111i\u1ec3m cu\u1ed1i): \u0111\u01b0\u1eddng d\u1eabn c\u1ee5 th\u1ec3 \u0111\u1ec3 g\u1ecdi t\u1edbi m\u1ed9t ch\u1ee9c n\u0103ng, v\u00ed d\u1ee5 d\u1ea1ng <em>\/api\/v1\/products<\/em>. M\u1ed7i endpoint t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t lo\u1ea1i d\u1eef li\u1ec7u ho\u1eb7c h\u00e0nh \u0111\u1ed9ng.<\/li>\n<li><strong>Method<\/strong> (ph\u01b0\u01a1ng th\u1ee9c): cho bi\u1ebft b\u1ea1n mu\u1ed1n l\u00e0m g\u00ec v\u1edbi d\u1eef li\u1ec7u. B\u1ed1n ph\u01b0\u01a1ng th\u1ee9c th\u00f4ng d\u1ee5ng l\u00e0 GET (l\u1ea5y d\u1eef li\u1ec7u), POST (t\u1ea1o m\u1edbi), PUT (c\u1eadp nh\u1eadt to\u00e0n b\u1ed9) v\u00e0 DELETE (x\u00f3a). Ngo\u00e0i ra c\u00f2n c\u00f3 PATCH d\u00f9ng \u0111\u1ec3 c\u1eadp nh\u1eadt m\u1ed9t ph\u1ea7n.<\/li>\n<li><strong>Header<\/strong> (ph\u1ea7n \u0111\u1ea7u): ch\u1ee9a th\u00f4ng tin \u0111i k\u00e8m nh\u01b0 \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u, ng\u00f4n ng\u1eef, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 th\u00f4ng tin x\u00e1c th\u1ef1c nh\u01b0 API key ho\u1eb7c token.<\/li>\n<li><strong>Body<\/strong> (ph\u1ea7n th\u00e2n): d\u1eef li\u1ec7u b\u1ea1n g\u1eedi l\u00ean m\u00e1y ch\u1ee7, th\u01b0\u1eddng d\u00f9ng v\u1edbi POST v\u00e0 PUT. V\u00ed d\u1ee5 khi t\u1ea1o t\u00e0i kho\u1ea3n, body ch\u1ee9a t\u00ean \u0111\u0103ng nh\u1eadp v\u00e0 m\u1eadt kh\u1ea9u.<\/li>\n<li><strong>Status code<\/strong> (m\u00e3 tr\u1ea1ng th\u00e1i): con s\u1ed1 ba ch\u1eef s\u1ed1 m\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 \u0111\u1ec3 b\u00e1o k\u1ebft qu\u1ea3 x\u1eed l\u00fd.<\/li>\n<\/ul>\n<h3>C\u00e1c m\u00e3 tr\u1ea1ng th\u00e1i th\u01b0\u1eddng g\u1eb7p<\/h3>\n<table>\n<thead>\n<tr>\n<th>M\u00e3<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>T\u00ecnh hu\u1ed1ng th\u01b0\u1eddng g\u1eb7p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>200<\/td>\n<td>OK \u2013 y\u00eau c\u1ea7u th\u00e0nh c\u00f4ng<\/td>\n<td>M\u00e1y ch\u1ee7 \u0111\u00e3 tr\u1ea3 v\u1ec1 d\u1eef li\u1ec7u nh\u01b0 mong \u0111\u1ee3i<\/td>\n<\/tr>\n<tr>\n<td>400<\/td>\n<td>Bad Request \u2013 y\u00eau c\u1ea7u sai<\/td>\n<td>Thi\u1ebfu tham s\u1ed1 ho\u1eb7c d\u1eef li\u1ec7u g\u1eedi l\u00ean sai \u0111\u1ecbnh d\u1ea1ng<\/td>\n<\/tr>\n<tr>\n<td>401<\/td>\n<td>Unauthorized \u2013 ch\u01b0a x\u00e1c th\u1ef1c<\/td>\n<td>Thi\u1ebfu API key, token sai ho\u1eb7c \u0111\u00e3 h\u1ebft h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>404<\/td>\n<td>Not Found \u2013 kh\u00f4ng t\u00ecm th\u1ea5y<\/td>\n<td>G\u1ecdi sai endpoint ho\u1eb7c d\u1eef li\u1ec7u kh\u00f4ng t\u1ed3n t\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td>500<\/td>\n<td>Internal Server Error \u2013 l\u1ed7i m\u00e1y ch\u1ee7<\/td>\n<td>S\u1ef1 c\u1ed1 ph\u00eda nh\u00e0 cung c\u1ea5p API, kh\u00f4ng ph\u1ea3i l\u1ed7i c\u1ee7a b\u1ea1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c \u0111\u1ecdc hi\u1ec3u m\u00e3 tr\u1ea1ng th\u00e1i gi\u00fap x\u00e1c \u0111\u1ecbnh nhanh l\u1ed7i n\u1eb1m \u1edf ph\u00eda ng\u01b0\u1eddi g\u1ecdi hay ph\u00eda m\u00e1y ch\u1ee7. C\u00e1c m\u00e3 n\u00e0y thu\u1ed9c chu\u1ea9n c\u1ee7a <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/http-la-gi\/\">giao th\u1ee9c HTTP d\u00f9ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u tr\u00ean web<\/a>, n\u00ean b\u1ea1n s\u1ebd g\u1eb7p l\u1ea1i ch\u00fang trong r\u1ea5t nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c.<\/p>\n<h2>Ph\u00e2n lo\u1ea1i API theo ph\u1ea1m vi s\u1eed d\u1ee5ng<\/h2>\n<ul>\n<li><strong>Public API (API c\u00f4ng khai, c\u00f2n g\u1ecdi l\u00e0 Open API):<\/strong> ai c\u0169ng c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd s\u1eed d\u1ee5ng, th\u01b0\u1eddng ch\u1ec9 c\u1ea7n t\u1ea1o t\u00e0i kho\u1ea3n \u0111\u1ec3 l\u1ea5y API key. V\u00ed d\u1ee5: API b\u1ea3n \u0111\u1ed3, API th\u1eddi ti\u1ebft, API d\u1ecbch thu\u1eadt.<\/li>\n<li><strong>Partner API (API \u0111\u1ed1i t\u00e1c):<\/strong> ch\u1ec9 m\u1edf cho nh\u1eefng \u0111\u1ed1i t\u00e1c \u0111\u00e3 k\u00fd k\u1ebft h\u1ee3p t\u00e1c. V\u00ed d\u1ee5: m\u1ed9t s\u00e0n th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed m\u1edf API t\u1ed3n kho cho c\u00e1c nh\u00e0 b\u00e1n h\u00e0ng l\u1edbn.<\/li>\n<li><strong>Private API (API n\u1ed9i b\u1ed9):<\/strong> ch\u1ec9 d\u00f9ng b\u00ean trong m\u1ed9t t\u1ed5 ch\u1ee9c, kh\u00f4ng c\u00f4ng b\u1ed1 ra ngo\u00e0i. \u0110\u00e2y l\u00e0 c\u00e1ch c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau.<\/li>\n<\/ul>\n<h2>Ph\u00e2n lo\u1ea1i API theo ki\u1ebfn tr\u00fac<\/h2>\n<p>C\u00e1ch ph\u00e2n lo\u1ea1i th\u1ee9 hai d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac k\u1ef9 thu\u1eadt. Ba ki\u1ebfn tr\u00fac ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 REST, SOAP v\u00e0 GraphQL.<\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau ch\u00ed<\/th>\n<th>REST<\/th>\n<th>SOAP<\/th>\n<th>GraphQL<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>B\u1ea3n ch\u1ea5t<\/td>\n<td>Ki\u1ec3u ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean HTTP<\/td>\n<td>Giao th\u1ee9c c\u00f3 chu\u1ea9n nghi\u00eam ng\u1eb7t<\/td>\n<td>Ng\u00f4n ng\u1eef truy v\u1ea5n d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u<\/td>\n<td>Ch\u1ee7 y\u1ebfu JSON, c\u00f3 th\u1ec3 XML<\/td>\n<td>B\u1eaft bu\u1ed9c XML<\/td>\n<td>JSON<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1ch l\u1ea5y d\u1eef li\u1ec7u<\/td>\n<td>Nhi\u1ec1u endpoint, m\u1ed7i endpoint m\u1ed9t t\u00e0i nguy\u00ean<\/td>\n<td>G\u1ecdi thao t\u00e1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a s\u1eb5n<\/td>\n<td>M\u1ed9t endpoint duy nh\u1ea5t, client t\u1ef1 ch\u1ecdn tr\u01b0\u1eddng c\u1ea7n l\u1ea5y<\/td>\n<\/tr>\n<tr>\n<td>\u01afu \u0111i\u1ec3m<\/td>\n<td>\u0110\u01a1n gi\u1ea3n, nh\u1eb9, d\u1ec5 h\u1ecdc, ph\u1ed5 bi\u1ebfn nh\u1ea5t<\/td>\n<td>Ch\u1eb7t ch\u1ebd, h\u1ed7 tr\u1ee3 giao d\u1ecbch v\u00e0 b\u1ea3o m\u1eadt c\u1ea5p doanh nghi\u1ec7p<\/td>\n<td>Tr\u00e1nh l\u1ea5y th\u1eeba ho\u1eb7c thi\u1ebfu d\u1eef li\u1ec7u, gi\u1ea3m s\u1ed1 l\u1ea7n g\u1ecdi<\/td>\n<\/tr>\n<tr>\n<td>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/td>\n<td>D\u1ec5 ph\u1ea3i g\u1ecdi nhi\u1ec1u l\u1ea7n \u0111\u1ec3 gh\u00e9p \u0111\u1ee7 d\u1eef li\u1ec7u<\/td>\n<td>N\u1eb7ng, c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p<\/td>\n<td>Truy v\u1ea5n ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 g\u00e2y t\u1ea3i n\u1eb7ng cho m\u00e1y ch\u1ee7<\/td>\n<\/tr>\n<tr>\n<td>Th\u01b0\u1eddng d\u00f9ng cho<\/td>\n<td>Web, \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng, d\u1ecbch v\u1ee5 c\u00f4ng khai<\/td>\n<td>Ng\u00e2n h\u00e0ng, b\u1ea3o hi\u1ec3m, h\u1ec7 th\u1ed1ng c\u0169 c\u1ee7a doanh nghi\u1ec7p<\/td>\n<td>\u1ee8ng d\u1ee5ng c\u00f3 giao di\u1ec7n nhi\u1ec1u th\u00e0nh ph\u1ea7n d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ngo\u00e0i ba ki\u1ebfn tr\u00fac tr\u00ean c\u00f2n c\u00f3 <strong>WebSocket API<\/strong>. Kh\u00e1c v\u1edbi REST v\u1ed1n ch\u1ec9 tr\u1ea3 l\u1eddi khi \u0111\u01b0\u1ee3c h\u1ecfi, WebSocket gi\u1eef m\u1ed9t k\u1ebft n\u1ed1i m\u1edf hai chi\u1ec1u gi\u1eefa client v\u00e0 m\u00e1y ch\u1ee7, cho ph\u00e9p m\u00e1y ch\u1ee7 ch\u1ee7 \u0111\u1ed9ng \u0111\u1ea9y d\u1eef li\u1ec7u v\u1ec1. \u0110\u00e2y l\u00e0 l\u00fd do \u1ee9ng d\u1ee5ng chat, b\u1ea3ng gi\u00e1 thay \u0111\u1ed5i li\u00ean t\u1ee5c hay th\u00f4ng b\u00e1o th\u1eddi gian th\u1ef1c th\u01b0\u1eddng d\u00f9ng WebSocket thay v\u00ec REST.<\/p>\n<h2>V\u00ed d\u1ee5 th\u1ef1c t\u1ebf v\u1ec1 API<\/h2>\n<ul>\n<li><strong>\u0110\u0103ng nh\u1eadp b\u1eb1ng Google ho\u1eb7c Facebook:<\/strong> \u1ee9ng d\u1ee5ng g\u1ecdi API x\u00e1c th\u1ef1c c\u1ee7a Google, nh\u1eadn v\u1ec1 th\u00f4ng tin c\u01a1 b\u1ea3n c\u1ee7a t\u00e0i kho\u1ea3n m\u00e0 kh\u00f4ng bao gi\u1edd nh\u00ecn th\u1ea5y m\u1eadt kh\u1ea9u c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>B\u1ea3n \u0111\u1ed3 trong \u1ee9ng d\u1ee5ng \u0111\u1eb7t xe, giao \u0111\u1ed3 \u0103n:<\/strong> ph\u1ea7n b\u1ea3n \u0111\u1ed3 v\u00e0 ch\u1ec9 \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ea5y qua API b\u1ea3n \u0111\u1ed3, thay v\u00ec c\u00f4ng ty t\u1ef1 v\u1ebd l\u1ea1i b\u1ea3n \u0111\u1ed3 to\u00e0n qu\u1ed1c.<\/li>\n<li><strong>C\u1ed5ng thanh to\u00e1n tr\u1ef1c tuy\u1ebfn:<\/strong> khi b\u1ea1n b\u1ea5m thanh to\u00e1n, website g\u1eedi y\u00eau c\u1ea7u qua API c\u1ee7a c\u1ed5ng thanh to\u00e1n, c\u1ed5ng n\u00e0y x\u1eed l\u00fd v\u1edbi ng\u00e2n h\u00e0ng r\u1ed3i tr\u1ea3 k\u1ebft qu\u1ea3 th\u00e0nh c\u00f4ng hay th\u1ea5t b\u1ea1i.<\/li>\n<li><strong>D\u1ef1 b\u00e1o th\u1eddi ti\u1ebft:<\/strong> widget th\u1eddi ti\u1ebft tr\u00ean \u0111i\u1ec7n tho\u1ea1i l\u1ea5y s\u1ed1 li\u1ec7u qua API c\u1ee7a \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1eef li\u1ec7u kh\u00ed t\u01b0\u1ee3ng v\u00e0 c\u1eadp nh\u1eadt \u0111\u1ecbnh k\u1ef3.<\/li>\n<li><strong>\u0110\u0103ng nh\u1eadp m\u1ed9t l\u1ea7n d\u00f9ng nhi\u1ec1u d\u1ecbch v\u1ee5:<\/strong> c\u00e1c h\u1ec7 sinh th\u00e1i ph\u1ea7n m\u1ec1m d\u00f9ng API n\u1ed9i b\u1ed9 \u0111\u1ec3 chia s\u1ebb tr\u1ea1ng th\u00e1i \u0111\u0103ng nh\u1eadp gi\u1eefa nh\u1eefng s\u1ea3n ph\u1ea9m kh\u00e1c nhau.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-571805\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-2.jpg\" alt=\"api-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>API key v\u00e0 v\u1ea5n \u0111\u1ec1 b\u1ea3o m\u1eadt<\/h2>\n<p><strong>API key<\/strong> l\u00e0 m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 do nh\u00e0 cung c\u1ea5p c\u1ea5p cho b\u1ea1n, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 &#8220;th\u1ebb ra v\u00e0o&#8221; \u0111\u1ec3 m\u00e1y ch\u1ee7 bi\u1ebft ai \u0111ang g\u1ecdi. Khi g\u1eedi request, API key th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong header. N\u1ebfu thi\u1ebfu ho\u1eb7c sai, m\u00e1y ch\u1ee7 tr\u1ea3 v\u1ec1 m\u00e3 401.<\/p>\n<p>M\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n khi l\u00e0m vi\u1ec7c v\u1edbi API:<\/p>\n<ul>\n<li><strong>Kh\u00f4ng \u0111\u1ec3 l\u1ed9 API key:<\/strong> tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0a key v\u00e0o m\u00e3 ngu\u1ed3n c\u00f4ng khai ho\u1eb7c g\u1eedi qua k\u00eanh kh\u00f4ng an to\u00e0n. Key b\u1ecb l\u1ed9 c\u00f3 th\u1ec3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c d\u00f9ng v\u00e0 b\u1ea1n v\u1eabn ph\u1ea3i ch\u1ecbu chi ph\u00ed.<\/li>\n<li><strong>Lu\u00f4n d\u00f9ng HTTPS:<\/strong> d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n, tr\u00e1nh b\u1ecb \u0111\u1ecdc tr\u1ed9m.<\/li>\n<li><strong>Ph\u00e2n quy\u1ec1n t\u1ed1i thi\u1ec3u:<\/strong> m\u1ed7i key ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c c\u1ea5p \u0111\u00fang quy\u1ec1n c\u1ea7n d\u00f9ng, kh\u00f4ng c\u1ea5p quy\u1ec1n qu\u1ea3n tr\u1ecb n\u1ebfu ch\u1ec9 c\u1ea7n \u0111\u1ecdc d\u1eef li\u1ec7u.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n t\u1ea7n su\u1ea5t g\u1ecdi (rate limit):<\/strong> nh\u00e0 cung c\u1ea5p gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3t g\u1ecdi trong m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ec3 ch\u1ed1ng l\u1ea1m d\u1ee5ng v\u00e0 qu\u00e1 t\u1ea3i.<\/li>\n<li><strong>Thu h\u1ed3i v\u00e0 xoay v\u00f2ng key \u0111\u1ecbnh k\u1ef3:<\/strong> t\u1ea1o key m\u1edbi, h\u1ee7y key c\u0169 khi nghi ng\u1edd b\u1ecb l\u1ed9 ho\u1eb7c khi nh\u00e2n s\u1ef1 thay \u0111\u1ed5i.<\/li>\n<\/ul>\n<p>V\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn h\u01a1n, API key th\u01b0\u1eddng \u0111\u01b0\u1ee3c thay b\u1eb1ng token c\u00f3 th\u1eddi h\u1ea1n theo chu\u1ea9n OAuth, gi\u00fap gi\u1edbi h\u1ea1n thi\u1ec7t h\u1ea1i n\u1ebfu token b\u1ecb l\u1ed9.<\/p>\n<h2>L\u1ee3i \u00edch c\u1ee7a API<\/h2>\n<p>API mang l\u1ea1i l\u1ee3i \u00edch cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng l\u1eabn \u0111\u01a1n v\u1ecb ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m:<\/p>\n<ul>\n<li><strong>Ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed:<\/strong> t\u00e1i s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 c\u00f3 s\u1eb5n thay v\u00ec t\u1ef1 x\u00e2y t\u1eeb \u0111\u1ea7u.<\/li>\n<li><strong>K\u1ebft n\u1ed1i c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau:<\/strong> hai ph\u1ea7n m\u1ec1m vi\u1ebft b\u1eb1ng ng\u00f4n ng\u1eef kh\u00e1c nhau, ch\u1ea1y tr\u00ean h\u1ea1 t\u1ea7ng kh\u00e1c nhau v\u1eabn n\u00f3i chuy\u1ec7n \u0111\u01b0\u1ee3c v\u1edbi nhau.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t d\u1eef li\u1ec7u t\u1ed1t h\u01a1n:<\/strong> ch\u1ec9 m\u1edf \u0111\u00fang ph\u1ea7n d\u1eef li\u1ec7u c\u1ea7n chia s\u1ebb, ph\u1ea7n c\u00f2n l\u1ea1i v\u1eabn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/li>\n<li><strong>D\u1ec5 m\u1edf r\u1ed9ng:<\/strong> khi c\u1ea7n th\u00eam t\u00ednh n\u0103ng, \u0111\u01a1n v\u1ecb ph\u00e1t tri\u1ec3n b\u1ed5 sung endpoint m\u1edbi m\u00e0 kh\u00f4ng ph\u1ea3i vi\u1ebft l\u1ea1i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<p>C\u00f3 th\u1ec3 h\u00ecnh dung vai tr\u00f2 c\u1ee7a API trong th\u1ebf gi\u1edbi ph\u1ea7n m\u1ec1m t\u01b0\u01a1ng t\u1ef1 vai tr\u00f2 c\u1ee7a c\u00e1c c\u1ed5ng k\u1ebft n\u1ed1i chu\u1ea9n trong <a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/phan-cung-may-tinh\/\">ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh<\/a>: nh\u1edd c\u00f3 chu\u1ea9n chung, c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau v\u1eabn l\u1eafp gh\u00e9p v\u00e0 l\u00e0m vi\u1ec7c c\u00f9ng nhau \u0111\u01b0\u1ee3c.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-571807\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-4.jpg\" alt=\"api-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2026\/07\/api-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 API<\/h2>\n<h3>API l\u00e0 g\u00ec?<\/h3>\n<p>API l\u00e0 giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng, g\u1ed3m t\u1eadp h\u1ee3p quy t\u1eafc cho ph\u00e9p hai ph\u1ea7n m\u1ec1m giao ti\u1ebfp v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft chi ti\u1ebft v\u1eadn h\u00e0nh b\u00ean trong c\u1ee7a nhau.<\/p>\n<h3>API ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc n\u00e0o?<\/h3>\n<p>API ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh request \u2013 response: \u1ee9ng d\u1ee5ng g\u1eedi y\u00eau c\u1ea7u t\u1edbi m\u1ed9t endpoint k\u00e8m method, header v\u00e0 body; m\u00e1y ch\u1ee7 x\u1eed l\u00fd r\u1ed3i tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i ch\u1ee9a d\u1eef li\u1ec7u v\u00e0 m\u00e3 tr\u1ea1ng th\u00e1i.<\/p>\n<h3>REST API kh\u00e1c SOAP API \u1edf \u0111i\u1ec3m n\u00e0o?<\/h3>\n<p>REST l\u00e0 ki\u1ec3u ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean HTTP, d\u1eef li\u1ec7u ch\u1ee7 y\u1ebfu \u1edf d\u1ea1ng JSON, nh\u1eb9 v\u00e0 d\u1ec5 d\u00f9ng. SOAP l\u00e0 giao th\u1ee9c ch\u1eb7t ch\u1ebd h\u01a1n, b\u1eaft bu\u1ed9c d\u00f9ng XML, n\u1eb7ng h\u01a1n nh\u01b0ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p y\u00eau c\u1ea7u b\u1ea3o m\u1eadt v\u00e0 t\u00ednh to\u00e0n v\u1eb9n giao d\u1ecbch cao.<\/p>\n<h3>API key d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h3>\n<p>API key l\u00e0 chu\u1ed7i k\u00fd t\u1ef1 d\u00f9ng \u0111\u1ec3 x\u00e1c th\u1ef1c, gi\u00fap m\u00e1y ch\u1ee7 nh\u1eadn bi\u1ebft ai \u0111ang g\u1ecdi API, ki\u1ec3m so\u00e1t quy\u1ec1n truy c\u1eadp v\u00e0 gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3t g\u1ecdi. N\u1ebfu thi\u1ebfu ho\u1eb7c sai key, m\u00e1y ch\u1ee7 th\u01b0\u1eddng tr\u1ea3 v\u1ec1 m\u00e3 401.<\/p>\n<h3>L\u1ed7i 401 v\u00e0 404 khi g\u1ecdi API ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n<p>M\u00e3 401 ngh\u0129a l\u00e0 ch\u01b0a x\u00e1c th\u1ef1c, th\u01b0\u1eddng do thi\u1ebfu key ho\u1eb7c token \u0111\u00e3 h\u1ebft h\u1ea1n. M\u00e3 404 ngh\u0129a l\u00e0 kh\u00f4ng t\u00ecm th\u1ea5y, th\u01b0\u1eddng do g\u1ecdi sai \u0111\u01b0\u1eddng d\u1eabn endpoint ho\u1eb7c d\u1eef li\u1ec7u y\u00eau c\u1ea7u kh\u00f4ng t\u1ed3n t\u1ea1i.<\/p>\n<h3>Ng\u01b0\u1eddi kh\u00f4ng ph\u1ea3i l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 c\u1ea7n hi\u1ec3u API kh\u00f4ng?<\/h3>\n<p>Kh\u00f4ng b\u1eaft bu\u1ed9c, nh\u01b0ng hi\u1ec3u kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n s\u1ebd gi\u00fap b\u1ea1n n\u1eafm \u0111\u01b0\u1ee3c v\u00ec sao c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 li\u00ean k\u1ebft d\u1eef li\u1ec7u v\u1edbi nhau, v\u00e0 th\u1eadn tr\u1ecdng h\u01a1n khi c\u1ea5p quy\u1ec1n truy c\u1eadp t\u00e0i kho\u1ea3n cho m\u1ed9t \u1ee9ng d\u1ee5ng b\u00ean th\u1ee9 ba.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>T\u00f3m l\u1ea1i, <strong>API l\u00e0 giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng \u0111\u00f3ng vai tr\u00f2 c\u1ea7u n\u1ed1i, gi\u00fap c\u00e1c ph\u1ea7n m\u1ec1m g\u1eedi y\u00eau c\u1ea7u v\u00e0 nh\u1eadn d\u1eef li\u1ec7u c\u1ee7a nhau theo m\u00f4 h\u00ecnh request \u2013 response<\/strong>. N\u1eafm \u0111\u01b0\u1ee3c c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n nh\u01b0 endpoint, method, header, body v\u00e0 m\u00e3 tr\u1ea1ng th\u00e1i s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u c\u00e1ch nh\u1eefng \u1ee9ng d\u1ee5ng quen thu\u1ed9c h\u1eb1ng ng\u00e0y k\u1ebft n\u1ed1i v\u1edbi nhau, \u0111\u1ed3ng th\u1eddi bi\u1ebft c\u00e1ch b\u1ea3o v\u1ec7 API key khi t\u1ef1 m\u00ecnh s\u1eed d\u1ee5ng m\u1ed9t d\u1ecbch v\u1ee5 n\u00e0o \u0111\u00f3.<\/p>\n<p>Xem th\u00eam:<\/p>\n<ul>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/http-la-gi\/\">HTTP l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u00e2n bi\u1ec7t v\u1edbi HTTPS<\/a><\/li>\n<li><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/phan-cung-may-tinh\/\">Ph\u1ea7n c\u1ee9ng m\u00e1y t\u00ednh g\u1ed3m nh\u1eefng g\u00ec? Vai tr\u00f2 t\u1eebng b\u1ed9 ph\u1eadn<\/a><\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"API l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"API l\u00e0 giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng, g\u1ed3m t\u1eadp h\u1ee3p quy t\u1eafc cho ph\u00e9p hai ph\u1ea7n m\u1ec1m giao ti\u1ebfp v\u00e0 trao \u0111\u1ed5i d\u1eef li\u1ec7u v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft chi ti\u1ebft v\u1eadn h\u00e0nh b\u00ean trong c\u1ee7a nhau.\"}},{\"@type\":\"Question\",\"name\":\"API ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean t\u1eafc n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"API ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh request \u2013 response: \u1ee9ng d\u1ee5ng g\u1eedi y\u00eau c\u1ea7u t\u1edbi m\u1ed9t endpoint k\u00e8m method, header v\u00e0 body; m\u00e1y ch\u1ee7 x\u1eed l\u00fd r\u1ed3i tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i ch\u1ee9a d\u1eef li\u1ec7u v\u00e0 m\u00e3 tr\u1ea1ng th\u00e1i.\"}},{\"@type\":\"Question\",\"name\":\"REST API kh\u00e1c SOAP API \u1edf \u0111i\u1ec3m n\u00e0o?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"REST l\u00e0 ki\u1ec3u ki\u1ebfn tr\u00fac d\u1ef1a tr\u00ean HTTP, d\u1eef li\u1ec7u ch\u1ee7 y\u1ebfu \u1edf d\u1ea1ng JSON, nh\u1eb9 v\u00e0 d\u1ec5 d\u00f9ng. 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N\u1ebfu thi\u1ebfu ho\u1eb7c sai key, m\u00e1y ch\u1ee7 th\u01b0\u1eddng tr\u1ea3 v\u1ec1 m\u00e3 401.\"}},{\"@type\":\"Question\",\"name\":\"L\u1ed7i 401 v\u00e0 404 khi g\u1ecdi API ngh\u0129a l\u00e0 g\u00ec?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M\u00e3 401 ngh\u0129a l\u00e0 ch\u01b0a x\u00e1c th\u1ef1c, th\u01b0\u1eddng do thi\u1ebfu key ho\u1eb7c token \u0111\u00e3 h\u1ebft h\u1ea1n. 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N\u00f3i ng\u1eafn g\u1ecdn, API l\u00e0 &#8220;c\u1ea7u n\u1ed1i&#8221; gi\u00fap m\u1ed9t \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c t\u00ednh n\u0103ng [&hellip;]<\/p>\n","protected":false},"author":102,"featured_media":571808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"API l\u00e0 g\u00ec","_yoast_wpseo_title":"API l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i API v\u00e0 v\u00ed d\u1ee5","_yoast_wpseo_metadesc":"API l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng request - response, endpoint, method, status code v\u00e0 c\u00e1c lo\u1ea1i API ph\u1ed5 bi\u1ebfn.","footnotes":""},"categories":[3910,30453],"tags":[],"class_list":["post-571803","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kham-pha","category-kien-thuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>API l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i API v\u00e0 v\u00ed d\u1ee5<\/title>\n<meta name=\"description\" content=\"API l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng request - response, endpoint, method, status code v\u00e0 c\u00e1c lo\u1ea1i API ph\u1ed5 bi\u1ebfn.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/api-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"API l\u00e0 g\u00ec? C\u00e1ch ho\u1ea1t \u0111\u1ed9ng, c\u00e1c lo\u1ea1i API v\u00e0 v\u00ed d\u1ee5\" \/>\n<meta property=\"og:description\" content=\"API l\u00e0 g\u00ec? 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