After you send a Transactional SMS campaign, you can track your metrics for the messages delivered via API.
This guide provides details about:
Navigate to Transactional SMS Campaign Analytics
To reach the analytics, navigate to Reports > SMS Analytics > SMS Transactional Analytics. 
You will see the Transactional SMS Analytics page.
Essential Metrics
In the section below, you can see the overall analytics of the campaign:
Sent: The number of SMS messages successfully transferred to the service provider to be addressed to the recipients.
Message Part: Total number of SMS message parts allocated for sending all the content in the SMS messages.
Dropped: Total number of SMS messages that weren’t transferred to the service provider to be addressed to the recipients.
Delivery Rate: Percentage of the Delivered to the Sent SMS messages.
Delivered: The number of SMS messages successfully transferred to the recipients.
Undelivered: Total number of SMS messages that weren’t addressed to the recipients by the service provider.
Click-Through Rate: Percentage of the Total Clicks to the Delivered SMS messages.
Clicks: Total number of times that the recipients clicked on the links in your SMS message.
Unsuccessful Message Metrics
In this section, you can see the reasons for the unsuccessful messages both graphically and statistically and examine and analyze the main reasons for the Dropped and the Undelivered messages.
Dropped Messages: Total number of SMS messages that weren’t transferred to the service provider to be addressed to the recipients.
Undelivered Messages: Total number of SMS messages that weren’t addressed to the recipients by the service provider.
Dropped Messages
Internal Errors: Percentage (and the number) of the Dropped messages due to various internal system issues (such as bugs, server problems, and technical malfunctions).
Country Code Drops: Percentage (and the number) of the Dropped messages due to phone numbers with country codes other than the specified in your contract.
To send an SMS, your quota must be set in the country you want to send to. Otherwise, you receive a country code error.
Invalid Phone Numbers: Percentage (and the number) of Dropped messages due to phone numbers in a non-standard format.
Undelivered Messages
Carrier Violation: Percentage (and the number) of Undelivered messages due to content or spam filtering by the service provider.
Hard Bounces: Percentage (and the number) of the Undelivered messages since the recipients’ phone numbers are not in use.
Soft Bounces: Percentage (and the number) of the Undelivered messages since the recipients are unreachable.
Delivery Failures: Percentage (and the number) of messages that were Undelivered due to technical issues on the service provider's side.
Delivery Report Missing: Percentage (and the number) of the Undelivered messages due to no delivery reports received from the service provider.
Performance by Campaign Metrics
You can see the status of the metrics (which you can select from the Select Metrics dropdown menu) for your SMS messages in a defined time interval. 