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Loved by 35 ecommerce brands

Ecommerce Fraud Prevention Services That Layer Filters, AVS, CVV and 3D Secure Around Your Checkout

Layered ecommerce fraud prevention for any checkout: AVS, CVV, 3D Secure, fraud filters and manual review, plus fraud ratio monitoring against Visa VAMP.

Teams we have built for:

  • Amazon Web Services
  • HubSpot
  • Linode
  • Microsoft Azure
  • Moodle
  • Magento
  • Oracle
  • Salesforce
  • SAP
  • Squarespace
  • Weebly
  • WP Engine
  • Google Cloud
  • DigitalOcean

Our Fraud Prevention Process

From Fraud Review to a Layered Ecommerce Fraud Prevention Service

You see the layers and thresholds before they go live on your store.

  1. We review your fraud, chargeback ratio and current defenses.

Projects We've Built

A selection of Shopify and ecommerce builds shipped for clients, the kind of stores that want ecommerce fraud prevention best practices put in place properly.

We had a different kind of problem. People were visiting the store, adding products to their carts, and then disappearing before they finished the order. We had tried a few apps and made changes here and there, but nothing really seemed to solve the bigger issue. The team went through the shopping experience with us and pointed out things we hadn't really noticed ourselves. They cleaned up the cart and checkout flow, made the mobile experience much smoother, and helped us make the store feel easier to shop. I’m not going to pretend we fixed everything overnight, but it finally feels like the store is helping the sale instead of getting in the way of it.

Ethan ParkerFounder of Elite Academy01 / 03

Want results like these?

Tell us what you are building. You get a reply within 24 hours on business days, then a written estimate.

Work Culture

Why Brands Trust Us With Fraud Prevention

One fraud tool rarely catches everything, so we layer defenses and watch the ratios that matter. These are the habits we bring to every ecommerce fraud prevention service.

  • Defense in layers

    Filters, AVS, CVV and 3D Secure each catch different attacks.

  • Watching card network ratios

    We track your ratio against Visa and Mastercard programs.

  • Manual review where it counts

    Borderline orders get a human decision.

  • Fewer false declines

    We tune rules so good customers still buy.

  • Account kept safe

    The goal is keeping your processor account out of penalty tiers.

  • Clear starting price

    Scope and price are set after a quick review.

Overview

What are ecommerce fraud prevention best practices, and how much does it cost?

Visa's VAMP combines fraud reports and disputes into one ratio against total transactions, with the excessive tier cut to 1.5% as of April 2026 and merchants targeting well under 0.5% to avoid per-dispute fees and processor restrictions. We layer AVS, CVV, 3D Secure, and fraud filter rules, then add manual review for orders that don't clear automatically, since static rules alone are too rigid for evolving fraud. Starts from $1,500.

DEVELOPERLOOK

Project facts · Ecommerce Fraud Prevention Services

Service
Ecommerce fraud prevention (rules, AVS/CVV, 3D Secure, manual review, ratio monitoring)
Typical timeline
2-6 weeks depending on scope
Platform
Any ecommerce platform or custom checkout
Built with
Fraud filter rules engines, AVS/CVV, 3D Secure, manual review workflows
Experience
10+ years and 250+ shipped projects
Post-launch support
Ongoing maintenance retainer or one-time handoff
Communication
Calls in US, UK, and AU business hours
Starting price
From $1,500

Good fit

  • Stores seeing rising fraud or chargeback rates

    Fake orders or disputes are increasing and existing checks aren't catching them.

  • Stores approaching Visa VAMP or Mastercard dispute thresholds

    Your fraud and dispute ratio is climbing toward penalty tiers.

  • Stores wanting layered automated and manual screening

    You want fraud scoring plus a review queue for orders that don't clear automatically.

  • Stores relying only on their processor's default fraud tools

    Your payment processor's built-in fraud settings aren't catching sophisticated fraud.

  • Stores expanding into new markets

    New geographies bring unfamiliar fraud patterns your current setup wasn't built for.

Not a fit

  • You want a custom fraud detection model built from your own transaction data, not a rules-and-tools setup.

    Our Ecommerce Fraud Detection Development page covers that.

  • You're Shopify-specific and want the built-in fraud filter configured, not a broader multi-tool setup.

    Our Shopify Fraud Prevention Setup page covers that directly.

  • You already have fraud prevention in place and need help with chargebacks that already happened.

    Our Chargeback Management Services page covers that.

Not sure we're the right fit?

Book a free call or message us. We'll tell you honestly whether we're the right team.

Pricing

Transparent Starting Prices for Ecommerce Fraud Prevention

These are starting points in USD. Your final price depends on how many layers of protection you need, and you get a fixed proposal after scoping.

$1k$2k$3k$4k$5k$6k$1,500$2,999$4,999

For core fraud filter rules, AVS/CVV, and manual review setup.

$1,500one-time, USD

Get a fixed quote
  • Fraud filter rules engine
  • AVS/CVV verification
  • Manual review workflow
  • 30 days post-launch support

Recommended

For the foundation plus 3D Secure authentication and ratio monitoring.

$2,999one-time, USD

Get a fixed quote
  • Everything in Fraud Rules Foundation
  • 3D Secure implementation
  • Chargeback ratio monitoring
  • Extended QA testing

For a complete, ongoing fraud prevention program across every layer.

$4,999one-time, USD

Get a fixed quote
  • Everything in Fraud Prevention + 3D Secure
  • Custom scoring rules by risk segment
  • Monthly ratio and performance reporting
  • Dedicated support channel
  • Layer AVS, CVV, and 3D Secure checks with a fraud filter, add manual review for orders that don't clear automatically, and monitor your fraud and dispute ratio against card network thresholds.

  • A fraud scoring system flags mismatched billing and shipping details, unusual velocity, and risky IP or device signals, then routes borderline orders to a manual review queue instead of an outright block.

  • It depends on your order volume and risk profile. We can set up a third-party fraud tool or build custom rules and scoring logic when off-the-shelf tools don't fit your catalog.

  • Starts from $1,500 for a standard setup, scaling up for custom scoring logic or a higher-volume review workflow.

  • Each order gets a risk score at checkout, orders below a threshold pass automatically, high-risk orders are declined, and borderline orders route to a manual review queue before shipping.

  • AVS checks that the billing address matches the card issuer's records, CVV confirms the buyer has the physical card, and velocity checks cap how many attempts a single card or IP can make in a short window.

  • We combine velocity limits, CAPTCHA on checkout, AVS and CVV verification, and fraud scoring to catch the rapid, low-value, high-volume pattern card testing produces.

  • We combine prevention at checkout with ratio monitoring, since Visa's VAMP now measures fraud and disputes together against total transactions, with the excessive tier at 1.5% as of April 2026.

  • Typically 2-6 weeks depending on how many checks you need layered and whether custom scoring logic is involved.

Saimul IslamFounder & CEO, DeveloperLook

Still have questions?

Send a message or book a call with the team.

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