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POST
/
v1
/
messages
/
send
curl -X POST https://api.livchat.ai/v1/messages/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone": "5511999999999",
    "body": "Hello from LivChat!",
    "from": "5585912345678"
  }'

{
  "success": true,
  "code": 200,
  "data": {
    "details": "Sent",
    "id": "3EB04A45DCA355D01DB68C",
    "timestamp": "2024-12-10T12:00:00-03:00"
  }
}
Send a text message to any WhatsApp number.

​
Request Body

​
phone
string
required
Recipient phone number in international format without + (e.g., 5511999999999)
​
body
string
required
Message text content. Supports emojis and basic formatting.
​
id
string
Optional message ID to reply to. Creates a quoted reply.
​
linkPreview
boolean
Enable link preview for URLs in the message. Default: false
​
from
string
Sender instance identifier for multi-instance organizations. Can be:
  • Phone number: WhatsApp number (e.g., 5585912345678)
  • Instance ID: UUID of the instance
If not specified, uses the most recently connected instance.
Required for organizations with multiple WhatsApp numbers to specify which number sends the message.

​
Text Formatting

WhatsApp supports basic text formatting:
FormatSyntaxResult
Bold*text*text
Italic_text_text
Strikethrough~text~text
Monospace`text`text
curl -X POST https://api.livchat.ai/v1/messages/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone": "5511999999999",
    "body": "Hello from LivChat!",
    "from": "5585912345678"
  }'

{
  "success": true,
  "code": 200,
  "data": {
    "details": "Sent",
    "id": "3EB04A45DCA355D01DB68C",
    "timestamp": "2024-12-10T12:00:00-03:00"
  }
}