dokumentasi Send Message Whapi<\/a>.<\/p>\n2. Membuat Project Node.js<\/h2>\n
Jika belum memiliki project, buat folder baru kemudian jalankan:<\/p>\n
mkdir<\/span> whatsapp-nodejs\r\ncd<\/span> whatsapp-nodejs\r\nnpm init -y<\/span>\r\n`\r\n<\/code><\/pre>\nUntuk mengirim HTTP request, salah satu pilihan yang dapat digunakan adalah library Axios.<\/p>\n
Install Axios dengan:<\/p>\n
npm install<\/span> axios\r\n<\/code><\/pre>\nSetelah instalasi selesai, buat file:<\/p>\n
index<\/span>.js\r\n<\/code><\/pre>\nFile tersebut akan digunakan untuk menjalankan contoh pengiriman pesan.<\/p>\n
3. Menyimpan API Key dalam Environment Variable<\/h2>\n
API key sebaiknya tidak ditulis langsung di dalam source code.<\/p>\n
Simpan konfigurasi pada environment variable, misalnya:<\/p>\n
WHAPI_ENDPOINT<\/span>=https:\/\/alamat-server-whapi\r\nWHAPI_API_KEY<\/span>=your_api_key\r\n<\/code><\/pre>\nJika menggunakan file .env<\/code>, install package dotenv<\/code>:<\/p>\nnpm install<\/span> dotenv\r\n<\/code><\/pre>\nKemudian panggil konfigurasi tersebut dari aplikasi Node.js.<\/p>\n
4. Membuat Request POST dari Node.js<\/h2>\n
Gunakan Axios untuk mengirim request ke endpoint Whapi.<\/p>\n
Contoh:<\/p>\n
require<\/span>('dotenv'<\/span>).config();\r\n\r\nconst<\/span> axios = require<\/span>('axios'<\/span>);\r\n\r\nasync<\/span> function<\/span> sendWhatsAppMessage<\/span>(<\/span>) <\/span>{\r\n try<\/span> {\r\n const<\/span> response = await<\/span> axios.post(\r\n `${process.env.WHAPI_ENDPOINT}<\/span>\/api\/sendMessage`<\/span>,\r\n new<\/span> URLSearchParams({\r\n apiKey<\/span>: process.env.WHAPI_API_KEY,\r\n phone<\/span>: '6281234567890'<\/span>,\r\n message<\/span>: 'Pesan otomatis dari aplikasi Node.js.'<\/span>,\r\n }),\r\n {\r\n headers<\/span>: {\r\n 'Content-Type'<\/span>: 'application\/x-www-form-urlencoded'<\/span>,\r\n },\r\n }\r\n );\r\n\r\n console<\/span>.log(response.data);\r\n } catch<\/span> (error) {\r\n console<\/span>.error(error.response?.data || error.message);\r\n }\r\n}\r\n\r\nsendWhatsAppMessage();\r\n<\/code><\/pre>\nPada request tersebut terdapat beberapa parameter utama:<\/p>\n
\napiKey<\/code> digunakan untuk autentikasi.<\/li>\nphone<\/code> menentukan nomor WhatsApp tujuan.<\/li>\nmessage<\/code> berisi pesan yang akan dikirim.<\/li>\n<\/ul>\nNomor WhatsApp dapat ditulis menggunakan format internasional tanpa tanda +<\/code>.<\/p>\nContohnya:<\/p>\n
6281234567890<\/span>\r\n<\/code><\/pre>\n5. Menjalankan Program<\/h2>\n
Setelah kode disimpan sebagai index.js<\/code>, jalankan:<\/p>\nnode<\/span> index<\/span>.js\r\n<\/code><\/pre>\nJika request berhasil diproses, aplikasi akan menerima respons dari API.<\/p>\n
Respons tersebut dapat digunakan untuk mengetahui informasi hasil pengiriman, termasuk ID pesan yang diberikan oleh API.<\/p>\n
6. Menangani Respons API<\/h2>\n
Respons API sebaiknya diproses agar aplikasi dapat mengetahui apakah request berhasil atau gagal.<\/p>\n
Contoh:<\/p>\n
require<\/span>('dotenv'<\/span>).config();\r\n\r\nconst<\/span> axios = require<\/span>('axios'<\/span>);\r\n\r\nasync<\/span> function<\/span> sendWhatsAppMessage<\/span>(phone, message<\/span>) <\/span>{\r\n try<\/span> {\r\n const<\/span> response = await<\/span> axios.post(\r\n `${process.env.WHAPI_ENDPOINT}<\/span>\/api\/sendMessage`<\/span>,\r\n new<\/span> URLSearchParams({\r\n apiKey<\/span>: process.env.WHAPI_API_KEY,\r\n phone,\r\n message,\r\n }),\r\n {\r\n headers<\/span>: {\r\n 'Content-Type'<\/span>: 'application\/x-www-form-urlencoded'<\/span>,\r\n },\r\n }\r\n );\r\n\r\n return<\/span> {\r\n success<\/span>: true<\/span>,\r\n data<\/span>: response.data,\r\n };\r\n } catch<\/span> (error) {\r\n return<\/span> {\r\n success<\/span>: false<\/span>,\r\n status<\/span>: error.response?.status,\r\n data<\/span>: error.response?.data,\r\n message<\/span>: error.message,\r\n };\r\n }\r\n}\r\n<\/code><\/pre>\nFungsi tersebut dapat digunakan kembali dari bagian lain dalam aplikasi.<\/p>\n
Contohnya:<\/p>\n
const<\/span> result<\/span> = await<\/span> sendWhatsAppMessage(\r\n '6281234567890'<\/span>,\r\n 'Pesanan #INV-001 telah berhasil diproses.'<\/span>\r\n);\r\n\r\nconsole.log(result<\/span>);\r\n<\/code><\/pre>\nDengan cara ini, proses request dan penanganan error tidak perlu ditulis berulang kali.<\/p>\n
7. Mengirim Pesan Berdasarkan Proses Aplikasi<\/h2>\n
Pengiriman WhatsApp akan lebih berguna jika dipanggil berdasarkan event atau proses tertentu dalam aplikasi.<\/p>\n
Misalnya ketika pembayaran berhasil:<\/p>\n
const<\/span> result<\/span> = await<\/span> sendWhatsAppMessage(\r\n '6281234567890'<\/span>,\r\n 'Pembayaran untuk pesanan #INV-001 telah diterima.'<\/span>\r\n);\r\n<\/code><\/pre>\nContoh penggunaan lainnya:<\/p>\n
\n- Konfirmasi pesanan<\/li>\n
- Notifikasi pembayaran<\/li>\n
- Perubahan status pesanan<\/li>\n
- Pengingat pembayaran<\/li>\n
- Informasi pengiriman<\/li>\n
- Notifikasi aktivitas akun<\/li>\n<\/ul>\n
Dengan pola tersebut, aplikasi Node.js dapat mengirim pesan secara otomatis berdasarkan kondisi atau aktivitas yang terjadi di dalam sistem.<\/p>\n
8. Membuat Endpoint Internal untuk Pengiriman Pesan<\/h2>\n
Jika Node.js digunakan sebagai backend aplikasi, fungsi pengiriman WhatsApp dapat dipanggil melalui endpoint internal.<\/p>\n
Contohnya menggunakan Express:<\/p>\n
npm install<\/span> express\r\n<\/code><\/pre>\nKemudian:<\/p>\n
require<\/span>('dotenv'<\/span>).config();\r\n\r\nconst<\/span> express = require<\/span>('express'<\/span>);\r\nconst<\/span> axios = require<\/span>('axios'<\/span>);\r\n\r\nconst<\/span> app = express();\r\n\r\napp.use(express.json());\r\n\r\napp.post('\/send-whatsapp'<\/span>, async<\/span> (req, res) => {\r\n const<\/span> { phone, message } = req.body;\r\n\r\n try<\/span> {\r\n const<\/span> response = await<\/span> axios.post(\r\n `${process.env.WHAPI_ENDPOINT}<\/span>\/api\/sendMessage`<\/span>,\r\n new<\/span> URLSearchParams({\r\n apiKey<\/span>: process.env.WHAPI_API_KEY,\r\n phone,\r\n message,\r\n }),\r\n {\r\n headers<\/span>: {\r\n 'Content-Type'<\/span>: 'application\/x-www-form-urlencoded'<\/span>,\r\n },\r\n }\r\n );\r\n\r\n res.json({\r\n success<\/span>: true<\/span>,\r\n data<\/span>: response.data,\r\n });\r\n } catch<\/span> (error) {\r\n res.status(500<\/span>).json({\r\n success<\/span>: false<\/span>,\r\n error<\/span>: error.response?.data || error.message,\r\n });\r\n }\r\n});\r\n\r\napp.listen(3000<\/span>, () => {\r\n console<\/span>.log('Server berjalan pada port 3000'<\/span>);\r\n});\r\n<\/code><\/pre>\nDengan struktur tersebut, aplikasi lain dapat mengirim data ke endpoint internal Node.js, kemudian Node.js meneruskan request ke Whapi.<\/p>\n
Alurnya menjadi:<\/p>\n
Aplikasi\r\n \u2193\r\nNode<\/span>.js<\/span>\r\n \u2193\r\nWhapi API\r\n \u2193\r\nDevice WhatsApp\r\n \u2193\r\nNomor Tujuan\r\n<\/code><\/pre>\n9. Menangani Error Pengiriman<\/h2>\n
Request ke API dapat gagal karena beberapa kondisi.<\/p>\n
Contohnya:<\/p>\n
\n- API key tidak valid<\/li>\n
- Device belum
CONNECTED<\/code><\/li>\n- Nomor tujuan tidak sesuai<\/li>\n
- Parameter request tidak lengkap<\/li>\n
- Endpoint tidak sesuai<\/li>\n
- API mengembalikan HTTP error<\/li>\n<\/ul>\n
Gunakan try...catch<\/code> untuk menangani error dari request.<\/p>\nContoh:<\/p>\n
try<\/span> {\r\n const<\/span> response = await<\/span> axios.post(\r\n `${process.env.WHAPI_ENDPOINT}<\/span>\/api\/sendMessage`<\/span>,\r\n new<\/span> URLSearchParams({\r\n apiKey<\/span>: process.env.WHAPI_API_KEY,\r\n phone<\/span>: '6281234567890'<\/span>,\r\n message<\/span>: 'Pesan otomatis dari Node.js.'<\/span>,\r\n }),\r\n {\r\n headers<\/span>: {\r\n 'Content-Type'<\/span>: 'application\/x-www-form-urlencoded'<\/span>,\r\n },\r\n }\r\n );\r\n\r\n console<\/span>.log(response.data);\r\n} catch<\/span> (error) {\r\n console<\/span>.error('Status:'<\/span>, error.response?.status);\r\n console<\/span>.error('Response:'<\/span>, error.response?.data);\r\n}\r\n<\/code><\/pre>\nLogging seperti ini membantu proses debugging ketika request tidak berhasil.<\/p>\n
10. Gunakan Queue untuk Pengiriman dalam Jumlah Besar<\/h2>\n
Jika aplikasi harus memproses banyak pengiriman, proses pengiriman sebaiknya tidak selalu dilakukan langsung di dalam request utama.<\/p>\n
Node.js dapat menggunakan sistem queue untuk memisahkan pekerjaan pengiriman dari proses utama aplikasi.<\/p>\n
Contohnya:<\/p>\n
Request masuk\r\n \u2193\r\nData disimpan ke queue\r\n \u2193\r\nWorker mengambil pekerjaan\r\n \u2193\r\nNode<\/span>.js<\/span> mengirim request ke Whapi\r\n \u2193\r\nPesan diproses\r\n<\/code><\/pre>\nPendekatan ini membantu aplikasi menangani pekerjaan asynchronous tanpa membuat request utama harus menunggu seluruh proses pengiriman.<\/p>\n
Implementasi queue dapat disesuaikan dengan arsitektur aplikasi dan kebutuhan volume pesan.<\/p>\n
Alur Lengkap Integrasi Node.js dengan WhatsApp API<\/h2>\n
Secara keseluruhan, prosesnya dapat digambarkan sebagai berikut:<\/p>\n
Node<\/span>.js<\/span> Application\r\n \u2193\r\n Event \/ API Request\r\n \u2193\r\n Function Pengiriman\r\n \u2193\r\n HTTP POST Request\r\n \u2193\r\n Whapi API\r\n \u2193\r\n Device WhatsApp\r\n \u2193\r\n Nomor WhatsApp Tujuan\r\n<\/code><\/pre>\nContohnya pada sistem e-commerce:<\/p>\n
Pesanan dibuat\r\n \u2193\r\nPembayaran berhasil\r\n \u2193\r\nNode<\/span>.js<\/span> menerima event\r\n \u2193\r\nNode<\/span>.js<\/span> membuat pesan\r\n \u2193\r\nRequest dikirim ke Whapi\r\n \u2193\r\nWhatsApp mengirim pesan\r\n \u2193\r\nPelanggan menerima notifikasi\r\n<\/code><\/pre>\nKesimpulan<\/h2>\n
Mengirim pesan WhatsApp dari Node.js dapat dilakukan dengan membuat HTTP request ke endpoint Whapi. Implementasi dasarnya terdiri dari menyiapkan API key, memastikan device terhubung, membuat request POST, lalu memproses respons dari API.<\/p>\n
Node.js juga dapat mengintegrasikan proses pengiriman tersebut dengan event aplikasi, endpoint internal, maupun queue untuk kebutuhan asynchronous.<\/p>\n
Untuk implementasi parameter dan format request yang lebih lengkap, gunakan dokumentasi Send Message Whapi<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Node.js dapat digunakan untuk mengirim pesan WhatsApp secara otomatis melalui REST API. Dengan pendekatan ini, aplikasi Node.js dapat terhubung dengan […]<\/p>\n","protected":false},"author":1,"featured_media":1621,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1619","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial"],"yoast_head":"\n
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