Proactive monitoring alert for SMS delivery on your Plivo account

When it comes to fixing potentially crippling issues at your business, proactive error correction is always better than reactive fire fighting. We believe in the same philosophy when it comes to your business communication. We are happy to announce a new feature which proactively alerts you or your team in case of a dip in your SMS delivery rate.

This feature helps you better manage your SMS traffic, alert your end users about potential issues and find a solution to mitigate the problem.

A small feature with a big impact

SMS is a reliable communication channel and works flawlessly when implemented correctly. The dependence on SMS has grown multifold over the years. When your end users depend on SMS for account sign-up, security, chat or notifications, small blip in SMS delivery could wreak havoc to end user experience.

A text message could fail to deliver due to some of the most basic issues, including:

Invalid Destination Number Format: When a destination number is ill-formatted ie. without country code or area code, the text message is bound to fail. There is also a chance that the end user has entered an invalid or non-sms enabled number.

Blocked Phone Number: In the US and Canada, customers are required to use a Plivo phone number to send SMS. Phone numbers have certain restrictions on quantity and content of text messages. Ex. US long-code numbers should not be used to send more than 200 messages in a day.  In the case of content or throughput issues, the phone number might get blocked and in turn, results in undelivered messages.     

Operator Downtime: Technical issues or natural calamity in any region across the globe would always affect SMS delivery. Severe operator downtime or issue with coverage causes text messages to fail.

Callback failure: This feature is specific to inbound text messages. In case of issues with your server (url) the inbound messages would fail to deliver.

Now, there is a better way to be informed about potential SMS delivery issues.     

The logic behind proactive alerts

We have introduced advanced traffic pattern monitoring for better analytics. The algorithm does not access text content or the destination number. It merely works on SMS volume and delivery rate percentage. The monitoring system checks your account SMS delivery rate every 15 minutes for delivery in the last 60 minutes. This value is compared with the average performance of your traffic in the past 7 days. If the variance is over 25 percent, an email is sent to the registered email address you set-up while activating this feature on your account.  

SMS Alert Logic

The Result    

This is an optional feature and you can choose to enable it from your account. Once enabled, you would receive an alert on your registered email address if there is a drop in your SMS delivery rate. Here’s an example of what you might see if you enable this feature.

Delivery Alert


If you are an existing Plivo customer, log-in to Console and click on SMS settings to choose and activate this feature.

If you are new to Plivo, Sign Up for free, and build your first SMS app in minutes!

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