Button Sender is a Windows desktop application for managing WhatsApp marketing campaigns using your own accounts, without monthly subscriptions.
Key Highlights
- Windows desktop application (Windows 10 / 11)
- WhatsApp Web-based sending (no API required)
- Supports multiple WhatsApp sessions
- Automatic WhatsApp account rotation
- Interactive WhatsApp buttons
- WhatsApp group sender
- Missed call auto-reply
- Built-in contact validators
- Rule-based and AI-powered chatbots
WhatsApp Marketing Features
Button Sender connects to WhatsApp using WhatsApp Web sessions and supports rotating multiple WhatsApp accounts while sending campaigns to help reduce account restrictions.
WhatsApp Capabilities
- Bulk message sending
- Media support (image, video, PDF, audio)
- Message personalization using variables
- Interactive buttons (Yes / No / Custom text)
- Group message sender
- Typing simulation
- Configurable delays and daily limits
- Automatic rotation between multiple WhatsApp sessions while sending
- Session health monitoring
Note: No WhatsApp Cloud API or Twilio required.
Multi-Client / Agency Usage
Button Sender allows you to manage campaigns for multiple businesses using different WhatsApp numbers.
- Connect multiple WhatsApp numbers
- Run campaigns for different businesses
- Switch and rotate accounts automatically during sending
- Manage all campaigns from one dashboard
No per-client restrictions inside the software.
Missed Call Auto-Reply
Automatically send a WhatsApp message when:
- Someone calls your WhatsApp number
- The call is missed or unanswered
Supported Options
- Custom reply message
- Delay before reply
- Interactive buttons
- Multiple WhatsApp sessions
Chatbot Automation
Rule-Based Chatbot
- Keyword-based triggers
- Instant automatic replies
- No API costs
AI Chatbot (OpenAI)
- GPT-powered conversations
- Custom system prompt
- Token and cost controls
- Fallback from rule-based logic
OpenAI API key is required for AI features.
Validators Included
- WhatsApp number validator
- WhatsApp Business account checker
- Export cleaned CSV files
Helps reduce sending failures and account blocks.
Safety and Rate Control
Button Sender includes configurable limits and rotation logic designed to help reduce account restrictions:
- Delay between messages
- Batch sending with pauses
- Daily sending limits
- Randomized timing
- Text variation options
- Account rotation during active campaigns
System Requirements
- Operating System: Windows 10 or Windows 11 (64-bit)
- Processor: Dual-core 2.0 GHz or higher
- Memory: 4 GB RAM minimum (8 GB recommended)
- Storage: 500 MB available space
- Internet connection required
- Requires Microsoft Edge WebView2 Runtime
- Latest version of Google Chrome recommended
OpenAI API Key Requirements
To use the AI Chatbot, you need an OpenAI API key. This key connects Button Sender to GPT models to power intelligent, context-aware WhatsApp conversations.
How to get your API key
- Go to platform.openai.com/api-keys
- Sign in or create a free OpenAI account
- Click “Create new secret key”
- Copy the key and paste it into Button Sender’s OpenAI Chatbot settings
Things to know
- OpenAI charges per use — GPT-3.5 Turbo is the most affordable option
- You only pay for what you use (no flat monthly fee from OpenAI)
- Keep your API key private — never share it
- Monitor your usage and set spending limits at platform.openai.com/usage