How to Identify and Block Fake Phone Numbers in SaaS Applications
Complete guide for SaaS platforms to identify and block fake phone numbers, disposable numbers, and VoIP fraud. Learn implementation steps, best practices, and key metrics to monitor.
Last Articles
Fake Number Checker: Detect Virtual & Burner Phone Numbers
NumCheckr helps businesses detect fake, burner, and virtual numbers in real time. Protect your platform with advanced fake number detection and fraud prevention. Learn how to identify fake numbers and stop fraud before it happens.
Disposable Phone Numbers: What "Your Code is 0000" Reveals
Breaking down the "Your Code is 0000" study on disposable phone numbers: what researchers found, why it matters, and how NumCheckr helps stop fraud. A deep dive into the largest study of disposable phone number abuse ever conducted.
How to Detect Disposable Phone Numbers in Signups?
Use behavior signals to triage risk, but rely on a third‑party API that monitors public SMS gateways and rental inventories for accurate detection. Add a pre‑OTP check to block or step‑up risky signups.
How to Detect Disposable Phone Numbers?
Learn how disposable phone numbers work, why they're risky for businesses, and the best methods to detect and block them before fraud hurts your platform. Protect your business from fake accounts, SMS fraud, and inflated costs with proven detection strategies.
6 SMS Marketing Strategies to Grow Your Business
SMS marketing is one of the most effective means of increasing sales. Learn the top 6 SMS marketing strategies to boost your campaigns and grow your business. From personalized messages to time-sensitive offers, these strategies will help you reach your audience and convert leads into loyal customers.
Phone Number Validation: How to Detect Fake Numbers
Learn strategies for validating phone numbers to detect fake ones, and how to apply them in your account creation process. Multiple layers of verification and validation need to be considered to avoid your verification process being bypassed by fake phone numbers.
Understanding SMS Pumping: Prevention and Protection Strategies
Discover the ins and outs of SMS Pumping, a clever cyber-threat that can drain your budget. Learn what prevention and protection strategies you can implement to safeguard your business against this type of attack.
What Is a Virtual Phone Number?
Also known as anonymous VOIP numbers, temporary numbers, or disposable phone numbers, virtual phone numbers are used to receive SMS without disclosing your actual number. What are virtual phone numbers used for? ...