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GET
/
api
/
v1
/
campaigns
/
{campaign_id}
/
statistics
curl "https://server.smartlead.ai/api/v1/campaigns/{campaign_id}/statistics?api_key=YOUR_KEY"

{
  "success": true,
  "data": {
    "campaign_id": 123,
    "total_leads": 5240,
    "contacted": 4128,
    "opened": 1236,
    "clicked": 412,
    "replied": 312,
    "bounced": 58,
    "unsubscribed": 24,
    "open_rate": 29.9,
    "click_rate": 9.98,
    "reply_rate": 7.56
  }
}
Retrieves detailed email-level statistics for all emails sent in a campaign Essential for detailed campaign analysis, A/B test evaluation, lead engagement scoring, and identifying best-performing sequences

​
Overview

Retrieves detailed email-level statistics for all emails sent in a campaign Key Features:
  • Returns individual email stats including opens, clicks, replies, bounces with precise timestamps
  • Supports comprehensive filtering by sequence number (1-20), email status (opened/clicked/replied/bounced), and date ranges
  • Includes pagination with configurable offset/limit (max 1000)

​
Path Parameters

​
campaign_id
number
required
The campaign ID

​
Query Parameters

​
api_key
string
required
Your SmartLead API key
​
offset
number
default:"0"
Pagination offset
​
limit
number
default:"100"
Number of records to return
​
email_sequence_number
number
Filter by sequence number (1-20)
​
email_status
string
Filter by status: opened, clicked, replied, unsubscribed, bounced
​
sent_time_start_date
string
Start date filter (ISO format)
​
sent_time_end_date
string
End date filter (ISO format)
curl "https://server.smartlead.ai/api/v1/campaigns/{campaign_id}/statistics?api_key=YOUR_KEY"

​
Response Codes

​
200
Success
Request successful
​
400
Bad Request
Invalid request parameters or malformed request body
​
401
Unauthorized
Invalid or missing API key. Check your authentication.
​
404
Not Found
The requested resource (campaign, lead, email account, etc.) does not exist or you don’t have access to it
​
422
Validation Error
Request validation failed. Check parameter types, required fields, and value constraints.
​
429
Rate Limit Exceeded
Too many requests. Please slow down and retry after the rate limit resets.
​
500
Internal Server Error
Server error occurred. Please try again or contact support if the issue persists.
​
503
Service Unavailable
API is temporarily unavailable or under maintenance. Please try again later.
{
  "success": true,
  "data": {
    "campaign_id": 123,
    "total_leads": 5240,
    "contacted": 4128,
    "opened": 1236,
    "clicked": 412,
    "replied": 312,
    "bounced": 58,
    "unsubscribed": 24,
    "open_rate": 29.9,
    "click_rate": 9.98,
    "reply_rate": 7.56
  }
}

​
Statistics Fields

​
total_stats
string
Total number of email statistics records
​
data
array
Array of email statistics

​
Use Cases

​
Get All Opens

response = requests.get(
    f"{base_url}/campaigns/{campaign_id}/statistics",
    params={"api_key": API_KEY, "email_status": "opened", "limit": 1000}
)

​
Get Sequence 1 Performance

response = requests.get(
    f"{base_url}/campaigns/{campaign_id}/statistics",
    params={"api_key": API_KEY, "email_sequence_number": 1}
)

​
Get This Week’s Stats

from datetime import datetime, timedelta

end_date = datetime.now().isoformat()
start_date = (datetime.now() - timedelta(days=7)).isoformat()

response = requests.get(
    f"{base_url}/campaigns/{campaign_id}/statistics",
    params={
        "api_key": API_KEY,
        "sent_time_start_date": start_date,
        "sent_time_end_date": end_date
    }
)

​
Implementation Details

Returns paginated results. Use filters to narrow down large datasets. Statistics updated in real-time as events occur. Response Format: object