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POST
/
api
/
v1
/
master-inbox
/
create-note
curl -X POST "https://server.smartlead.ai/api/v1/master-inbox/create-note?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email_lead_map_id": 2433664091,
    "note_message": "Spoke with lead, interested in enterprise plan. Follow up next week."
  }'

{
  "ok": true,
  "data": {
    "id": 456,
    "email_lead_map_id": 2433664091,
    "note_message": "Spoke with lead, interested in enterprise plan. Follow up next week.",
    "created_at": "2025-12-01T10:30:00.000Z"
  }
}
Add notes to leads to track interactions, observations, and follow-up reminders. Notes are visible to all team members with access to the campaign.

​
Query Parameters

​
api_key
string
required
Your SmartLead API key

​
Request Body

​
email_lead_map_id
number
required
The campaign-lead mapping ID. This links the note to a specific lead within a specific campaign.
​
note_message
string
required
The content of the note
curl -X POST "https://server.smartlead.ai/api/v1/master-inbox/create-note?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "email_lead_map_id": 2433664091,
    "note_message": "Spoke with lead, interested in enterprise plan. Follow up next week."
  }'

​
Response Codes

​
200
Success
Request successful
​
400
Bad Request
Invalid request parameters or malformed request body
​
401
Unauthorized
Invalid or missing API key
​
422
Validation Error
Request validation failed. Check parameter types and constraints.
{
  "ok": true,
  "data": {
    "id": 456,
    "email_lead_map_id": 2433664091,
    "note_message": "Spoke with lead, interested in enterprise plan. Follow up next week.",
    "created_at": "2025-12-01T10:30:00.000Z"
  }
}