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Maskbreak Review

Maskbreak provides an API for real-time fraud detection, specifically targeting antidetect browsers, residential proxies, and bots with results delivered in under 40 ms.

shipped Aug 28, 2026agentsfreemium
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Maskbreak — product screenshot

Why it matters

1Maskbreak offers a free tier providing 1,000 requests per hour per API key.
2The API evaluates device threats in under 40 ms, ensuring minimal friction for legitimate users.
3It utilizes proprietary models for detecting antidetect browsers, residential proxies, VPNs, and automated abuse.
4As of August 23, 2026, Maskbreak announced its service is entirely free, with no paid plans or credit card requirements for standard usage.

About Maskbreak

Usage Pricing
Free for the first 1,000 calls/hr per api-call
Free Credits
1,000 free API calls/hour
Headquarters
London, England
Funding
Bootstrapped
Platforms
API
Target Audience
Businesses needing fraud detection

Pricing Plans

Free Tier
Free
  • 1,000 calls/hr
  • No credit card required
  • Real-time fraud detection

Cost Examples

  • 1,000 requests/hour: $0

Specs

API Available

Yes, public API

overview

What is Maskbreak?

Maskbreak is a real-time fraud detection API tool developed by Maskbreak that enables fraud, security, and engineering teams to identify and prevent various forms of online abuse. It focuses on detecting sophisticated threats such as antidetect browsers, residential proxies, VPNs, and automated bots by evaluating network and device layers in a single API call.

features

Key Features of Maskbreak

Maskbreak's API provides a comprehensive suite of features designed for real-time fraud detection, leveraging proprietary models to identify advanced threats.

  • Antidetect browser detection (e.g., Kameleo, GoLogin, Multilogin, AdsPower, Dolphin{anty})
  • Real device fingerprinting for unique identification
  • AI agent and crawler detection
  • Residential proxy, VPN, datacenter, and Tor exit detection
  • Real-time threat assessment with results in under 40 ms
  • Detection of bots and automation (e.g., headless browsers, Puppeteer, Playwright)
  • Multi-accounting detection by linking accounts to devices
  • Proprietary Maskbreak models for enhanced accuracy
  • Text multimodality for analysis

use cases

Who Should Use Maskbreak?

Maskbreak is primarily designed for technical teams responsible for maintaining the security and integrity of online platforms, particularly those facing sophisticated fraud attempts.

  • Fraud teams: For real-time fraud detection during signup, login, and checkout flows.
  • Security teams: To prevent account takeover, stop fake account creation, and mitigate trial abuse.
  • Engineering teams: For integrating a low-latency fraud detection API into production environments.
  • SaaS platforms: To prevent chargebacks, detect proxy-based account abuses, and secure user journeys.
  • E-commerce businesses: To prevent chargebacks and identify fraudulent transactions.

how to use

How to Use Maskbreak

Maskbreak is integrated via an API, allowing developers to embed real-time fraud detection into their applications. The process involves obtaining an API key and making requests to the Maskbreak endpoint.

  • 1Visit the Maskbreak website (https://maskbreak.com/) to register for an account.
  • 2Obtain an API key, which grants access to all detection signals.
  • 3Consult the API documentation at https://maskbreak.com/openapi.json for integration details.
  • 4Implement API calls within application workflows (e.g., during user signup, login, or transaction processing).
  • 5Process the real-time threat assessment results returned by the API to inform fraud prevention actions.
  • 6For volumes exceeding 1,000 requests per hour, contact Maskbreak support for assistance.

pricing

Maskbreak Pricing & Plans

As of August 23, 2026, Maskbreak operates on a completely free model for standard usage. There are no paid plans, tiers, or credit card requirements for accessing its core detection capabilities.

  • Free Tier: Free for the first 1,000 requests per hour per API key. This tier includes access to every detection signal (VPN, proxy, datacenter, Tor, antidetect, automation, emulator, tampering).
  • Growth Tier: 5,000 requests per hour per API key (no monthly cap during beta).
  • Enterprise: For volumes exceeding 1,000 requests per hour or requiring contractual SLAs and DPAs, users are advised to contact Maskbreak support for direct negotiation.

Pros

  • +Completely free for up to 1,000 requests per hour, including all detection signals.
  • +Real-time threat assessment with results delivered in under 40 ms.
  • +Specialized detection for sophisticated threats like antidetect browsers and residential proxies.
  • +API-first design for seamless integration into existing workflows.
  • +Focus on network and device layer analysis in a single API call.
  • +No credit card required for the free tier, simplifying adoption.

Cons

  • The free tier has a rate limit of 1,000 requests per hour, which may require contacting support for higher volumes.
  • Specific independent user reviews or testimonials are not widely available.
  • Primarily an API-based solution, requiring development resources for integration.
  • While comprehensive for its focus, it may not cover broader fraud signals like email or transaction scoring found in some competitors.

Policies

Pricing Page

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Similar Tools

Maskbreak vs Competitors

Maskbreak positions itself against established fraud detection solutions by emphasizing its real-time performance, focus on sophisticated threats, and accessible pricing model.

1
IPQualityScore (IPQS)

Provides a comprehensive threat score for IP addresses, detecting VPNs, proxies (including residential), Tor, bots, and other malicious activity in a single API call.

IPQS offers a broader range of fraud detection signals beyond just antidetect browsers and proxies, including email and transaction scoring. However, its real-time response might be slightly slower than Maskbreak's stated <40ms for device threats.

2

Leverages highly accurate device fingerprinting to detect sophisticated bots and automation tools, offering both browser and server-side APIs.

While it excels at device-level bot detection, its primary focus is on identifying unique visitors and bots via fingerprinting. This might require integrating with other tools for broader proxy or specific residential proxy network detection compared to Maskbreak's direct focus.

3
FindIP

Specializes in detecting residential proxies by flagging traffic routed through genuine ISP connections, which often evade simpler datacenter-based filters.

FindIP provides a genuinely free and unlimited API for residential proxy detection, a core Maskbreak feature. However, it is more narrowly focused on proxy detection and may not offer the same breadth of bot or antidetect browser detection as Maskbreak.

4
ALTCHA

Offers a privacy-first, self-hosted, open-source solution for bot and proxy/TOR detection, with an optional commercial layer for advanced threat intelligence.

The open-source core provides free bot and proxy/TOR detection, offering transparency and self-hosting capabilities that Maskbreak does not. However, it requires more self-management and its primary commercial offering includes a Captcha alternative, which is a different product shape than Maskbreak's pure API.

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