
Traffic pumping is a sneaky tactic that can really hurt your online business. It's when a website or affiliate marketer sends fake or low-quality traffic to your site to make it look like it's popular, but in reality, it's just a waste of time and resources.
This tactic can lead to a significant increase in bounce rates, which can negatively impact your website's search engine rankings. For instance, if a website is pumping traffic to your site, it might be sending visitors who are not genuinely interested in your products or services.
As a result, your website's conversion rates will likely suffer, and you might end up losing money on advertising or other marketing efforts. For example, if you're paying for clicks on Google Ads, but the traffic is fake or low-quality, you're essentially throwing money down the drain.
To avoid falling victim to traffic pumping, it's essential to monitor your website's analytics closely and look out for suspicious activity, such as a sudden spike in traffic from a single source.
Related reading: Quality Website Traffic
What Is Traffic Pumping?
Traffic pumping is a sneaky tactic used by fraudsters to scam businesses out of money. They use bots to generate fake OTP requests, which look like legitimate messages to businesses.
These bots input fake phone numbers into online forms, making it seem like users are sending genuine SMS requests. In reality, a large portion of this traffic is illegitimate.
Here's how it works in simple steps:
- Attackers trigger large volumes of SMS-based authentication requests using bots.
- The authentication system sends one-time passcodes (OTPs) via SMS to the attacker's controlled phone numbers.
- These phone numbers are linked to fraudulent telecom providers that share revenue with the attackers.
- Businesses end up paying for every fake SMS, leading to massive financial losses.
You might be wondering how businesses can fall for this. The truth is, SMS pumping can be hard to detect, and many businesses continue to spend a significant portion of their budget on fraudulent traffic without realizing it.
Impact on Businesses
Traffic pumping can have a significant impact on businesses, causing them to lose millions of dollars annually due to inflated SMS costs. Many organizations are adopting AI-driven platforms to optimize SMS usage and lower costs.
Companies like Twitter (now X) have already felt the pinch, losing $60 million per year due to SMS pumping fraud. This highlights the need for businesses to take action against traffic pumping.
Businesses must detect and block fraudulent traffic, which adds complexity and costs. This can lead to delays for genuine users due to spam-filtered OTPs.
Legitimate users may not receive OTPs due to overloaded networks, leading to authentication failures and login frustrations. This can increase drop-off rates, causing businesses to lose even more revenue.
Here are some key statistics on the impact of traffic pumping on businesses:
Prevention and Protection
To prevent traffic pumping, you can set rate limits on your OTP web form input box, implement bot detection solutions, and implement delays between verification retry requests. This will help minimize the risk of SMS pumping.
Infobip Signals is a security tool that can proactively block and prevent SMS pumping from affecting your business. It automatically stops fraudulent OTP traffic while allowing you to continue to use your messaging service without any interruptions to legitimate traffic.
To protect your brand, you can improve security for online phone number capture forms by setting rules to validate phone number length and format, and ensuring forms are fully complete before collecting phone numbers. Using tools such as CAPTCHA can also help ensure the form is submitted by a human and not an automated process.
Worth a look: How to Prevent Website Crash from Traffic
You can monitor your daily SMS sending volumes for spikes and abnormalities to detect unusual traffic patterns. Setting up Campaign Limits and Alerts can help cap and notify you if an abnormally high number of SMS messages are sent.
Braze SMS sign-up form templates provide out-of-the-box security measures, such as validating the phone number length and format. You can also customize the form to only collect phone numbers with country codes that align to your target customer base.
Here are some ways to prevent traffic pumping:
- Set rate limits on your OTP web form input box
- Implement bot detection solutions
- Implement delays between verification retry requests
- Use CAPTCHA to ensure forms are submitted by humans
- Monitor daily SMS sending volumes for spikes and abnormalities
- Set up Campaign Limits and Alerts
- Use Braze SMS sign-up form templates with built-in security measures
Detection and Scams
There are five red flags to look for in your SMS traffic that can raise your suspicions about if you are a target of SMS pumping. These red flags can help you detect and prevent such scams.
Unusual patterns in your SMS traffic, such as receiving multiple messages in a short period, may indicate SMS pumping.
Detecting Attacks
There are five red flags to look for in your SMS traffic that can raise your suspicions about if you are a target of an SMS pumping attack.

Unusual or suspicious messages can be a warning sign, often coming from unknown numbers or containing strange links.
Be cautious of messages that ask you to click on links or download attachments, as these can be phishing attempts.
Your SMS traffic may increase significantly over a short period of time, which can be a sign of an attack.
You may start receiving messages that seem to be from legitimate sources, but are actually fake or spoofed.
These red flags can be a sign that you're being targeted by an SMS pumping attack, and you should take action to protect yourself.
Robocallers Beware: Scams Could Cost You $116M
The FCC has proposed a whopping $116 million fine for robocalls made in a suspected Toll-Free traffic pumping robocalling scheme. This is one of the highest penalties the FCC has ever issued.
The proposed fine is a result of a scheme that targeted unsuspecting individuals with robocalls. The FCC is taking a tough stance on robocallers.
To pursue a complaint, it's essential to provide as much information as possible. The more you can provide, the better equipped the FCC will be to take action.
The proposed fine of $116 million is a clear message to robocallers that their scams will not be tolerated.
Infobip's Help and Solutions
Infobip Signals is a security tool that can proactively block and prevent SMS pumping from affecting your business.
It automatically stops fraudulent OTP traffic while allowing you to continue to use your messaging service without any interruptions to legitimate traffic.
Infobip Signals acts as a filter, cleaning your SMS traffic and blocking any SMS pumping fraud from reaching your business.
This solution helped Next block approximately 175,000 artificial messages per month, enabling them to maintain the reliability and security of their SMS messaging.
Infobip partnered with Next to empower them to be proactive in keeping both their customers and infrastructure safe from new and emerging threats.
Their AI and machine-learning powered solution, Infobip Signals, is the key to preventing SMS pumping fraud and ensuring the reliability and security of your messaging service.
Toll-Free and Billing
Toll-Free traffic pumping is a major issue in the industry, where bad actors pump millions of minutes to unsuspecting Toll-Free subscribers to extract a profit from the revenue generated from the call.
This practice has long plagued the industry, hindering the FCC's ability to ensure consumer confidence in voice calls.
Bad actors typically pump minutes in the middle of the night or on weekends to avoid conversation with the Toll-Free subscriber.
Suggestion: Website Traffic Benchmarks by Industry
FCC Order to Reduce Billing Through Updated Procedures

The FCC has taken a major step to reduce billing issues by updating procedures.
Bad actors have long exploited the system by pumping millions of minutes to unsuspecting Toll-Free subscribers, usually at night or on weekends, to avoid conversation and extract profit.
This practice, known as Toll-Free traffic pumping, has plagued the industry and hindered the FCC's ability to ensure consumer confidence in voice calls.
The new order aims to take the profit out of this practice, which should lead to a decrease in Toll-Free traffic pumping.
Scammers will likely take their efforts elsewhere, outside of the Toll-Free realm, once they no longer find it lucrative to pump Toll-Free minutes.
This is important for the health and vitality of our industry, as it will help prevent ill-gotten gains.
Toll-Free Explained
Toll-free numbers allow callers to reach businesses and organizations without incurring charges on their phone bills.
These numbers are usually 10-digit numbers that start with 1-800, 1-888, 1-877, or 1-866.
In the US, toll-free numbers are regulated by the Federal Communications Commission (FCC).
Toll-free numbers can be used for a variety of purposes, including customer service, sales, and technical support.
Businesses can choose from different toll-free number providers, each with its own pricing and features.
Some toll-free number providers offer additional features such as call recording, voicemail, and analytics.
Toll-free numbers can be ported to different phone systems and carriers, allowing businesses to switch providers without losing their number.
Businesses can also use toll-free numbers for text messaging, known as toll-free short codes.
If this caught your attention, see: How to Get Free Traffic to Your Website
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