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GET
/
api
/
v1
/
spam-test
/
report
/
{spamTestId}
/
sender-account-wise
/
{replyId}
/
email-headers
curl "https://smartdelivery.smartlead.ai/api/v1/spam-test/report/{spamTestId}/sender-account-wise/{replyId}/email-headers?api_key=YOUR_KEY"

{
  "Return-Path": "<campaigns@example.com>",
  "Received": "from mail.example.com ([192.168.1.100]) by mx.gmail.com with SMTP id abc123; Sat, 15 Mar 2026 15:30:00 +0000",
  "Reveived-Spf": "pass (google.com: domain of campaigns@example.com designates 192.168.1.100 as permitted sender) client-ip=192.168.1.100;",
  "Authentication-Results": "mx.gmail.com; dkim=pass (valid signature) header.d=example.com; spf=pass (google.com: domain of campaigns@example.com designates 192.168.1.100 as permitted sender) smtp.mailfrom=campaigns@example.com; dmarc=pass (p=quarantine dis=none) header.from=example.com"
}
Smart Delivery API: This is part of SmartLead’s deliverability testing suite. Contact support@smartlead.ai for access and API details.

​
Query Parameters

​
api_key
string
required
Your SmartLead API key
curl "https://smartdelivery.smartlead.ai/api/v1/spam-test/report/{spamTestId}/sender-account-wise/{replyId}/email-headers?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.
{
  "Return-Path": "<campaigns@example.com>",
  "Received": "from mail.example.com ([192.168.1.100]) by mx.gmail.com with SMTP id abc123; Sat, 15 Mar 2026 15:30:00 +0000",
  "Reveived-Spf": "pass (google.com: domain of campaigns@example.com designates 192.168.1.100 as permitted sender) client-ip=192.168.1.100;",
  "Authentication-Results": "mx.gmail.com; dkim=pass (valid signature) header.d=example.com; spf=pass (google.com: domain of campaigns@example.com designates 192.168.1.100 as permitted sender) smtp.mailfrom=campaigns@example.com; dmarc=pass (p=quarantine dis=none) header.from=example.com"
}