My WhatsApp Instance
Connect your personal WhatsApp account securely. This workspace never displays or uses another user's WhatsApp session.
Single Message Messenger
Compose, format and instantly dispatch personalized WhatsApp messages with real-time phone preview.
Compose WhatsApp Message
Direct delivery from your connected WhatsApp sessionLive Phone Preview
Live SyncType message to preview...
Bulk WhatsApp Dispatcher
Send bulk messages from your private WhatsApp account with safe randomized delays.
Live Execution & Delivery Report
ReadyDelivery Log
| # | Number | Status | Details |
|---|---|---|---|
| No messages sent yet. Add numbers and click Start Sending. | |||
Developer API & Integration Gateway
Integrate WhatsApp messaging into your VB.NET, C#, PHP, Python, or Web application using your personal instance.
Your Live Instance Credentials
These credentials authenticate your API calls. Keep your Access Token confidential.
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/api/send
Instant WhatsApp message dispatcher. Compatible with existing SendBuddy desktop integrations (VB.NET, C#, Python, PHP). Call via standard HTTP GET query parameters or POST body.
Generating your custom API link...
Request Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
number (or phone) |
string | Required | Recipient mobile number with country code (e.g. 919876543210). |
message |
string | Required | Text message content (URL-encoded). Supports WhatsApp formatting like *bold*, _italic_. |
type |
string | Optional | Message type (text default). |
instance_id |
string | Required | Your unique client instance ID (auto-filled). |
access_token |
string | Required | Your private instance secret authorization token (auto-filled). |
Ready-to-Use Code Snippets
/api/user/instances/{id}/send-message
Send a single message using application/json payload.
{
"phoneNumber": "919876543210",
"message": "Hello! Your invoice #1042 is ready."
}
/api/user/instances/{id}/send-bulk
Send bulk broadcast messages with randomized Anti-Ban jitter.
{
"phoneNumbers": ["919876543210", "919876543211"],
"message": "Festival special 20% discount offer!",
"options": { "minDelayMs": 3000, "maxDelayMs": 5000 }
}
Standard API Response Format
{
"status": "success",
"message": "Message sent successfully",
"data": {
"messageId": "true_919876543210@c.us_3EB0...",
"timestamp": 1727091234
}
}
{
"status": "error",
"error": "WhatsApp client is not ready. Please scan QR first.",
"code": "CLIENT_NOT_CONNECTED"
}