{"id":121180,"date":"2025-12-01T13:57:11","date_gmt":"2025-12-01T06:57:11","guid":{"rendered":"https:\/\/tino.vn\/blog\/?p=121180"},"modified":"2025-12-01T14:09:12","modified_gmt":"2025-12-01T07:09:12","slug":"cach-su-dung-scraper-api-voi-n8n","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/cach-su-dung-scraper-api-voi-n8n\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng Scraper API v\u1edbi n8n A-Z"},"content":{"rendered":"\n

Trong k\u1ef7 nguy\u00ean d\u1eef li\u1ec7u, vi\u1ec7c tr\u00edch xu\u1ea5t th\u00f4ng tin t\u1eeb c\u00e1c trang web (web scraping) \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t cho nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c kinh doanh. Tuy nhi\u00ean, c\u00e1c r\u00e0o c\u1ea3n k\u1ef9 thu\u1eadt nh\u01b0 CAPTCHA<\/a>, ch\u1eb7n IP hay t\u01b0\u1eddng l\u1eeda th\u01b0\u1eddng xuy\u00ean l\u00e0m gi\u00e1n \u0111o\u1ea1n quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng h\u00f3a. \u0110\u1ec3 kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3 t\u00ecnh tr\u1ea1ng n\u00e0y, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa n8n<\/a> v\u00e0 Scraper API l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng Scraper API v\u1edbi n8n, gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng thu th\u1eadp d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 c\u00e1c c\u01a1 ch\u1ebf ch\u1eb7n truy c\u1eadp c\u1ee7a website \u0111\u00edch.<\/strong><\/p>\n\n\n\n

<\/a>T\u1ed5ng quan v\u1ec1 Scraper API<\/h2>\n\n\n\n

<\/a>Scraper API l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n

Scraper API ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t l\u1edbp trung gian k\u1ef9 thu\u1eadt th\u00f4ng minh gi\u1eefa h\u1ec7 th\u1ed1ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 trang web m\u1ee5c ti\u00eau c\u1ea7n thu th\u1eadp d\u1eef li\u1ec7u. Thay v\u00ec g\u1eedi y\u00eau c\u1ea7u truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0 \u0111\u1ed1i m\u1eb7t v\u1edbi r\u1ee7i ro b\u1ecb ch\u1eb7n b\u1edfi t\u01b0\u1eddng l\u1eeda ho\u1eb7c c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt, b\u1ea1n ch\u1ec9 c\u1ea7n g\u1eedi URL \u0111\u00edch \u0111\u1ebfn Scraper API. D\u1ecbch v\u1ee5 n\u00e0y s\u1ebd \u0111\u1ea3m nh\u1eadn to\u00e0n b\u1ed9 c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p \u1edf “h\u1eadu tr\u01b0\u1eddng”, bao g\u1ed3m vi\u1ec7c xoay v\u00f2ng h\u00e0ng tri\u1ec7u \u0111\u1ecba ch\u1ec9 IP d\u00e2n c\u01b0 (residential proxies) \u0111\u1ec3 \u1ea9n danh t\u00ednh, t\u1ef1 \u0111\u1ed9ng gi\u1ea3i m\u00e3 CAPTCHA v\u00e0 gi\u1ea3 l\u1eadp tr\u00ecnh duy\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c m\u00e3 JavaScript ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n

K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 cho ng\u01b0\u1eddi d\u00f9ng l\u00e0 m\u00e3 ngu\u1ed3n HTML ho\u1eb7c d\u1eef li\u1ec7u JSON s\u1ea1ch, \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 th\u00e0nh c\u00f4ng cao cho c\u00e1c chi\u1ebfn d\u1ecbch c\u00e0o d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn m\u00e0 kh\u00f4ng c\u1ea7n b\u1eadn t\u00e2m v\u1ec1 vi\u1ec7c b\u1ea3o tr\u00ec h\u1ea1 t\u1ea7ng proxy.
<\/p>\n\n\n

\n
\"Scraper
Scraper API l\u00e0 g\u00ec?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/a>T\u1ea1i sao n\u00ean k\u1ebft h\u1ee3p n8n v\u00e0 Scraper API?<\/strong><\/h3>\n\n\n\n

<\/a>Kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3 gi\u1edbi h\u1ea1n c\u1ee7a Node HTTP Request<\/h4>\n\n\n\n

<\/p>\n\n\n\n

Trong n8n, node HTTP Request m\u1eb7c \u0111\u1ecbnh r\u1ea5t h\u1eefu \u00edch nh\u01b0ng l\u1ea1i thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng \u1ea9n danh n\u00e2ng cao. Khi g\u1eedi qu\u00e1 nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1ebfn c\u00f9ng m\u1ed9t trang web t\u1eeb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u1ed1 \u0111\u1ecbnh (IP c\u1ee7a server ch\u1ea1y n8n), h\u1ec7 th\u1ed1ng r\u1ea5t d\u1ec5 b\u1ecb \u0111\u01b0a v\u00e0o danh s\u00e1ch \u0111en (blacklist). Vi\u1ec7c t\u00edch h\u1ee3p Scraper API gi\u00fap node HTTP Request s\u1edf h\u1eefu kh\u1ea3 n\u0103ng “t\u00e0ng h\u00ecnh” nh\u1edd m\u1ea1ng l\u01b0\u1edbi IP kh\u1ed5ng l\u1ed3, \u0111\u1ea3m b\u1ea3o lu\u1ed3ng c\u00f4ng vi\u1ec7c ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n b\u1edfi l\u1ed7i 403 Forbidden hay y\u00eau c\u1ea7u x\u00e1c th\u1ef1c ng\u01b0\u1eddi m\u00e1y.<\/p>\n\n\n\n

<\/a>\u0110\u01a1n gi\u1ea3n h\u00f3a quy tr\u00ecnh x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ed9ng<\/h4>\n\n\n\n

<\/p>\n\n\n\n

Nhi\u1ec1u trang web hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng c\u00e1c framework nh\u01b0 React, Vue hay Angular \u0111\u1ec3 t\u1ea3i n\u1ed9i dung, ngh\u0129a l\u00e0 d\u1eef li\u1ec7u ch\u1ec9 hi\u1ec3n th\u1ecb sau khi tr\u00ecnh duy\u1ec7t ch\u1ea1y xong m\u00e3 JavaScript. Th\u00f4ng th\u01b0\u1eddng, \u0111\u1ec3 x\u1eed l\u00fd vi\u1ec7c n\u00e0y trong n8n, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u00e0i \u0111\u1eb7t th\u00eam c\u00e1c th\u01b0 vi\u1ec7n ph\u1ee9c t\u1ea1p nh\u01b0 Puppeteer. Scraper API gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng t\u00ednh n\u0103ng render JavaScript t\u00edch h\u1ee3p s\u1eb5n. Ch\u1ec9 c\u1ea7n th\u00eam m\u1ed9t tham s\u1ed1 \u0111\u01a1n gi\u1ea3n trong c\u1ea5u h\u00ecnh, Scraper API s\u1ebd tr\u1ea3 v\u1ec1 to\u00e0n b\u1ed9 n\u1ed9i dung HTML \u0111\u00e3 \u0111\u01b0\u1ee3c render \u0111\u1ea7y \u0111\u1ee7, gi\u00fap n8n d\u1ec5 d\u00e0ng tr\u00edch xu\u1ea5t th\u00f4ng tin c\u1ea7n thi\u1ebft.<\/p>\n\n\n

\n
\"T\u1ea1i
T\u1ea1i sao n\u00ean k\u1ebft h\u1ee3p n8n v\u00e0 Scraper API?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/a>T\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh d\u1eef li\u1ec7u kh\u00e9p k\u00edn (End-to-End)<\/h4>\n\n\n\n

<\/p>\n\n\n\n

S\u1ee9c m\u1ea1nh th\u1ef1c s\u1ef1 c\u1ee7a n8n n\u1eb1m \u1edf kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u0111a n\u1ec1n t\u1ea3ng. Sau khi Scraper API l\u1ea5y d\u1eef li\u1ec7u th\u00e0nh c\u00f4ng, n8n c\u00f3 th\u1ec3 l\u1eadp t\u1ee9c ti\u1ebfp nh\u1eadn th\u00f4ng tin \u0111\u1ec3 th\u1ef1c hi\u1ec7n chu\u1ed7i h\u00e0nh \u0111\u1ed9ng ti\u1ebfp theo: l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u, l\u01b0u tr\u1eef v\u00e0o Google Sheets, \u0111\u1ea9y v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u PostgreSQL<\/a>, ho\u1eb7c g\u1eedi c\u1ea3nh b\u00e1o qua Telegram\/Slack. M\u00f4 h\u00ecnh n\u00e0y t\u1ea1o ra m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t d\u1eef li\u1ec7u ho\u00e0n to\u00e0n t\u1ef1 \u0111\u1ed9ng, t\u1eeb kh\u00e2u thu th\u1eadp th\u00f4 s\u01a1 \u0111\u1ebfn khi ra th\u00e0nh ph\u1ea9m cu\u1ed1i c\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n s\u1ef1 can thi\u1ec7p th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n

<\/a>T\u1ed1i \u01b0u chi ph\u00ed v\u00e0 ngu\u1ed3n l\u1ef1c k\u1ef9 thu\u1eadt<\/h4>\n\n\n\n

<\/p>\n\n\n\n

Thay v\u00ec ph\u1ea3i x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec m\u1ed9t \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt chuy\u00ean bi\u1ec7t \u0111\u1ec3 qu\u1ea3n l\u00fd Proxy server, vi\u1ebft script x\u1eed l\u00fd CAPTCHA hay c\u1eadp nh\u1eadt m\u00e3 ngu\u1ed3n m\u1ed7i khi trang web \u0111\u00edch thay \u0111\u1ed5i c\u1ea5u tr\u00fac b\u1ea3o m\u1eadt, doanh nghi\u1ec7p ch\u1ec9 c\u1ea7n t\u1eadp trung v\u00e0o logic nghi\u1ec7p v\u1ee5 tr\u00ean n8n. Scraper API ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i, c\u00f2n n8n ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 lu\u1ed3ng d\u1eef li\u1ec7u, gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 th\u1eddi gian v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

<\/a>H\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch s\u1eed d\u1ee5ng Scraper API v\u1edbi n8n<\/h2>\n\n\n\n

<\/a>\u0110\u0103ng k\u00fd v\u00e0 l\u1ea5y API Key t\u1eeb Scraper API<\/strong><\/h3>\n\n\n\n

\u0110\u1ec3 n8n c\u00f3 th\u1ec3 “giao ti\u1ebfp” \u0111\u01b0\u1ee3c v\u1edbi m\u1ea1ng l\u01b0\u1edbi proxy, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n m\u1ed9t m\u00e3 kh\u00f3a x\u00e1c th\u1ef1c (API Key).<\/p>\n\n\n\n

B\u01b0\u1edbc 1: <\/strong>Truy c\u1eadp v\u00e0o website ch\u00ednh th\u1ee9c c\u1ee7a Scraper API<\/a> v\u00e0 ch\u1ecdn n\u00fat Start Trial <\/strong>n\u1ebfu ch\u01b0a c\u00f3 t\u00e0i kho\u1ea3n.<\/p>\n\n\n

\n
\"\u0110\u0103ng
\u0110\u0103ng k\u00fd v\u00e0 l\u1ea5y API Key t\u1eeb Scraper API<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

B\u01b0\u1edbc 2: <\/strong>B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t t\u00e0i kho\u1ea3n m\u1edbi b\u1eb1ng email ho\u1eb7c \u0111\u0103ng nh\u1eadp nhanh th\u00f4ng qua T\u00e0i kho\u1ea3n Google\/Github<\/strong>.<\/p>\n\n\n

\n
\"\u0110\u0103ng
\u0110\u0103ng k\u00fd v\u00e0 l\u1ea5y API Key t\u1eeb Scraper API<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

B\u01b0\u1edbc 3: <\/strong>L\u1ea7n \u0111\u1ea7u \u0111\u0103ng nh\u1eadp, m\u00e0n h\u00ecnh s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t s\u1ed1 t\u00f9y ch\u1ecdn \u0111\u1ec3 c\u00e1 nh\u00e2n h\u00f3a tr\u1ea3i nghi\u1ec7m. B\u1ea1n c\u00f3 th\u1ec3 b\u1ecf qua b\u01b0\u1edbc n\u00e0y.<\/p>\n\n\n\n

B\u01b0\u1edbc 4: <\/strong>Sau khi \u0111\u0103ng nh\u1eadp th\u00e0nh c\u00f4ng v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n (Dashboard), B\u1ea1n s\u1ebd th\u1ea5y ngay m\u1ed9t khung ch\u1ee9a chu\u1ed7i k\u00fd t\u1ef1 ng\u1eabu nhi\u00ean \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n l\u00e0 API Key<\/strong>.<\/p>\n\n\n

\n
\"\u0110\u0103ng
\u0110\u0103ng k\u00fd v\u00e0 l\u1ea5y API Key t\u1eeb Scraper API<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

L\u01b0u tr\u1eef:<\/strong> H\u00e3y sao ch\u00e9p chu\u1ed7i k\u00fd t\u1ef1 n\u00e0y v\u00e0 l\u01b0u l\u1ea1i \u1edf m\u1ed9t n\u01a1i an to\u00e0n (nh\u01b0 tr\u00ecnh qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u ho\u1eb7c ghi ch\u00fa t\u1ea1m th\u1eddi).<\/p>\n\n\n\n

Ngo\u00e0i ra,\u1edf khu v\u1ef1c b\u00ean d\u01b0\u1edbi, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng credits \u0111\u00e3 s\u1eed d\u1ee5ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00f2n l\u1ea1i trong th\u00e1ng.<\/p>\n\n\n

\n
\"\u0110\u0103ng
\u0110\u0103ng k\u00fd v\u00e0 l\u1ea5y API Key t\u1eeb Scraper API<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

<\/a>C\u1ea5u h\u00ecnh Node HTTP Request trong n8n<\/strong><\/h3>\n\n\n\n

B\u01b0\u1edbc 1: Kh\u1edfi t\u1ea1o node HTTP Request<\/strong><\/p>\n\n\n\n