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GET
Track whether your reply was successfully delivered. Use this to confirm email delivery status and troubleshoot sending issues.

Overview

Returns the delivery status of a specific reply sent from the master inbox. Use the message_id from the email headers to look up the current status of the reply. Use Cases:
  • Delivery confirmation: Verify that a reply was successfully sent
  • Troubleshooting: Diagnose delivery failures or delays
  • Automation workflows: Poll status after sending a reply via API
  • Audit trails: Track when replies were actually delivered

Query Parameters

string
required
Your SmartLead API key
string
required
The email Message-ID header value of the reply you want to check.This is the RFC 5322 Message-ID assigned to the email, typically in angle bracket format: <uuid@domain.com>Example: <4d9ff292-b7a4-45a1-80aa-e1ac2c925404-133jc7w@dealversego.co>

Response Fields

boolean
Whether the request was successful
object
Reply status details

Response Codes

Success
Request successful — reply status retrieved
Unauthorized
Invalid or missing API key
Not Found
No reply found for the given message_id
Validation Error
Missing or invalid message_id parameter
Internal Server Error
Server error occurred