SendBolt - WhatsApp & Android Devices as SMS Gateways (SaaS)

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Start your own SaaS platform that allows people to use their Android mobile devices as SMS gateways. They can also send and receive WhatsApp messages.


  • Landing Page – A beautiful landing page for your SaaS platform. Attract paying visitors with a stunning landing page.
  • Dashboard – A beautiful and responsive dashboard for your users. It automatically fits any screen and resolution and is powered by quick loading technology.
  • Quick Navigation – SendBolt is so fast that your users will love staying longer. GTMetrix also returned 99/96 scores when tested for loading speed!
  • Multiple Languages – It supports multiple languages. You can easily translate SendBolt to different languages. It includes tons of languages by default.
  • SMS Messages – Send SMS via bulk and excel file. You can also receive replies in real time.
  • WhatsApp Chats – Send WhatsApp chats via bulk and excel file. You can also receive replies in Realtime.
  • Schedule Messages – Schedule SMS and WhatsApp chats at any given time, greet someone automatically or broadcast periodic marketing messages.
  • Long Messages – Supports sending long messages. The SMS messages will be split into multiple parts if longer than 160 characters. You are not bound by any character limitations.
  • Message Templates – Create ready-to-use message templates; simply select them when sending and they will be automatically added to the text area.
  • Translator – Send messages in any language you want. The system includes a built-in translator that you can use in messages before sending them.
  • USSD Requests – Send USSD requests to check balances and other network actions. All the responses resulting from USSD requests will be received by the system. You can create a webhook to read it as soon as it arrives. It requires a device with Android 8 or later.
  • Partner System – Let your users earn money by using their devices as partner devices. Other users can send messages using those devices and will cost credits per send. Accept payout requests from partners and manage them in the admin panel.
  • Contact Imports – Import contacts easily via an Excel sheet with an easy-to-use import feature.
  • Contact Groups – Create groups for sending bulk messages to multiple numbers.
  • Packages – Manage or create subscription packages for your customers, limiting everything to the packages.
  • Credits – Allow users to send messages using their credits and top up if necessary.
  • API Keys – Let them create different API keys per project. They can also select permissions per API key.
  • Webhooks – Immediately reply to recipients when you receive their message. Webhooks allow you to listen to incoming messages.
  • Actions – Create auto respond actions and internal GET webhooks to satisfy your project demands.
  • Payment Gateways – Paypal and Mollie for subscription and top-up payments. Pay by using Visa, MasterCard, Amex, and more!
  • System Statistics – The detailed statistics on user dashboards will allow them to analyze their usage. Analytics are also available in the admin panel.
  • Limit Control – Limit everything, including API keys, sent and received messages, maximum devices, and more.
  • Marketing Manager – Send push notifications to connected Android devices, browser notifications, and email messages to your platform users.
  • Rest API – Easily integrate to different systems and programming languages, an extensive documentation is also included.
  • SaaS API – The platform also includes a SaaS API which allows remote configuration of the system.
  • Theme Settings – To modify the theme easily, we used SSCS technology to optimize the stylesheets. Add your custom logo, favicons, and more!
  • Template Editor – Modify the theme template files directly in the admin panel. We have included a smart editor that you can use.
  • App Builder – You can customize the SendBolt gateway application the way you want it. You’ll be able to use your own colors, splash screen, and logo. You can also customize the app structure to your own liking and add your own JavaScript and CSS codes.


  • Beautiful – A simple but stunning user interface for the gateway app will astonish your users.
  • Light & Fast – A powerful app with a light size, it can run perfectly on old android devices.
  • App Translation – The gateway app will automatically change its language based on the user’s selected language in the web app.
  • Easy Linking – Link devices to use accounts by scanning a QR code or by logging in using their credentials.
  • Notification Listener – Receive notifications in the dashboard. You can also create a webhook to receive notification alerts as soon as they arrive.
  • Live Status – This allows your users to know if the device is online or not. This effectively improves the user experience. It uses sockets for live device status.
  • Custom Package Name – Your platform apk, branded with your own android apk package name.
  • Customize App Icon – Use your own app icon image. Our app builder will compile it when building the apk for your platform.
  • Customize App Logo – Use your own app logo image. Our app builder will compile it when building the apk for your platform.
  • Customize App Splash screen – Use your own splash screen with your logo. Our app builder will compile it when building the apk for your platform.
  • Customize App Color – Use your own app theme color. Our app builder will compile it when building the apk for your platform.
  • Customize App Structure – Modify the default app structure using HTML and add your custom JavaScript and CSS codes.
  • Resource Friendly – The gateway app is powered by Firebase Cloud Messaging, which is fast and resource-friendly. It will only connect to the server when there are new messages to process. This effectively saves battery life.


  • Server
    • Apache, Nginx or LiteSpeed (Nginx Recommended)
    • mod_rewrite enabled if using Apache
    • SSH access for WhatsApp Server
    • PHP 7.4 or later
    • MySQL 5.7 or later
  • Extensions
    • php-gd
    • php-openssl
    • php-mbstring
    • php-intl
    • php-zip
    • php-curl
    • php-mysqli
    • php-xmlreader
    • php-bcmath
    • proc_open function