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Build23 articles · updated Sep 2026

Integration guides

Working code for the framework you use. Each guide covers where the check goes, what the timeout should be, and what happens when the API is down, not only the happy path.

Articles

SIG-679Integration guides

How do I add fraud protection to an AI-built app?

Add Maskbreak to an AI-built app with a secret-free prompt, server-side decisions and a checklist that verifies your deployed site.

Kaspar Tomson6 min
SIG-280Integration guides

What is the simplest genuinely free signup-protection API for EU users?

Compare free signup-protection options, understand Maskbreak’s 1,000 hourly checks, and review EU data handling before protecting your SaaS.

Kaspar Tomson6 min
SIG-355Integration guides

Can Maskbreak detect suspicious logins quickly in a Node.js app for free?

Add a server-side login risk check with the Maskbreak Node.js SDK. Handle allow, review, block, missing evidence and API errors without bypassing authentication.

Kaspar Tomson7 min
SIG-734Integration guides

Proxy detection API vs IP lookup: what your signup flow needs

Choose between IP screening and live visitor checks, protect API secrets, and handle review or missing evidence before granting signup benefits.

Kaspar Tomson5 min
SIG-472Integration guides

VPN detection API testing: cases for allow, review and block

Test VPN API decisions with deterministic fixtures, verify customer outcomes, and handle missing evidence before testing controlled live visits.

Kaspar Tomson5 min
SIG-933Integration guides

Roll out fraud detection without locking out customers

Move from observation to enforcement with stable cohorts, a real review path, clear release gates and a rollback plan that restores customer journeys.

Kaspar Tomson6 min
SIG-068Integration guides

When a fraud check times out: design the fallback

A timeout is missing evidence, not an allow verdict. Choose fallbacks per action, bound retries, and keep sensitive operations behind their authorization checks.

Kaspar Tomson5 min
SIG-289Integration guides

Account takeover: the six endpoints to protect, and the one call that covers them

Login is where everyone looks, but accounts are also taken over through password reset, MFA enrolment, contact changes and session refresh. One helper, six call sites.

Kaspar Tomson12 min
SIG-173Integration guides

Flask Fraud Detection: One Decorator, Three Failure Modes

A screening decorator for Flask that survives gunicorn forking, ad blockers and a dead upstream — with the session-reuse and timeout details.

Kaspar Tomson7 min
SIG-812Integration guides

Spring Boot Fraud Detection Without a Java SDK

A RestClient bean, an interceptor, and the three Spring details that decide whether this survives production: pooling, timeouts, and failing open.

Kaspar Tomson8 min
SIG-898Integration guides

Blocking Fake Signups in Supabase When You Do Not Own the Signup

auth.signUp runs on Supabase infrastructure, not yours — so the fraud check has to go somewhere else. Three places it can go, and which one to pick.

Kaspar Tomson7 min
SIG-995Integration guides

SvelteKit Bot Detection in hooks.server.ts

One server hook, typed locals, and the SvelteKit details that decide whether it holds: form actions versus endpoints, and what not to screen.

Kaspar Tomson6 min
SIG-282Integration guides

Card Testing and Fake Registrations in WooCommerce

Two WordPress hooks, one HTTP call, and the caching and checkout details that decide whether it works — including the form that empties your token.

Kaspar Tomson6 min
SIG-211Integration guides

ASP.NET Core Fraud Detection Without a .NET SDK

A typed HttpClient, an endpoint filter, and the two .NET details that decide whether this works in production: handler lifetime and the JSON property names.

Kaspar Tomson8 min
SIG-508Integration guides

Bot Detection in a Cloudflare Worker: What the Edge Can and Cannot See

A Worker sees the IP, ASN and TLS fingerprint before your origin wakes up — and never sees the device. Where each check belongs, and how to fail open.

Kaspar Tomson7 min
SIG-233Integration guides

FastAPI Fraud Detection: One Dependency, Failing Open

A screening dependency you would actually deploy: per-route strictness, the threadpool detail that keeps the event loop free, and a fail-open path.

Kaspar Tomson6 min
SIG-916Integration guides

Rails Fraud Detection Without a Ruby SDK

No Ruby SDK, and for a one-endpoint API that is fine. A Net::HTTP client, a controller concern, per-action strictness, and a fail-open path.

Kaspar Tomson5 min
SIG-447Integration guides

Go Fraud Detection Middleware, Without an SDK

No Go SDK needed for a one-endpoint API. A net/http middleware with a real timeout, fail-open behaviour and a circuit breaker, in about seventy lines.

Kaspar Tomson5 min
SIG-051Integration guides

Django Fraud Detection: Middleware That Fails Open

A production-shaped Django integration for VPN, proxy and antidetect detection: per-path strictness, DRF wiring, and the failure handling most examples omit.

Kaspar Tomson5 min
SIG-283Integration guides

Express Fraud Detection Middleware That Fails Open

A production-shaped Express integration for VPN, proxy, antidetect and automation detection — as middleware, with the failure handling most omit.

Kaspar Tomson4 min
SIG-906Integration guides

Laravel Fraud Detection: Middleware, Without an SDK

There is no PHP SDK, and you do not need one. A production-shaped Laravel integration using the HTTP client, with form-request validation.

Kaspar Tomson3 min
SIG-500Integration guides

Bot and Fraud Detection in Next.js: A Working Integration

Add VPN, proxy, antidetect and automation detection to a Next.js signup or checkout — Route Handlers, Server Actions, and why middleware is the wrong place.

Kaspar Tomson4 min
SIG-413Integration guides

Shopify Bot Detection: Block Sneaker Bots, Scalpers & Fake Checkouts

Sneaker bots, scalpers and checkout scrapers wreck limited-drop stores. How to detect them at the edge before they buy out your inventory.

Kaspar Tomson5 min
Fraud BriefOnce a month · no spam

The VPN, proxy and bot patterns we saw this month

One email a month with what changed in the traffic we check — new VPN and proxy networks, new bot tooling, what our lab runs turned up. Written for engineers. Unsubscribe in one click.