Spring BootBot Protection.

Protect your Java applications from automated threats. High-performance, scalable bot mitigation with zero friction.

Read the Docs

No credit card required. Free forever tier.

trustsig — live demo

// integration

import {

useTrustSig

} from

'@trustsig/react';

const { scan } =

useTrustSig();

const { token } =

await scan();

// forward token

// to your backend

// api response

{

is_bot: ,

score: ,

action: ,

req_id:

}

200 OK

01Integration

Two packages. Five minutes.

Drop the client SDK on your frontend. Verify the token on your server. No infrastructure changes, no proxies, no downtime.

< 5 minto integrate

2npm packages

0infrastructure changes

Frontend Integrationnpm install @trustsig/react

import { TrustSigProvider, useTrustSig } from "@trustsig/react"

function ActionForm() {
  const { scan } = useTrustSig()

  const handleSubmit = async () => {
    const response = await scan()
    await fetch("/api/action", {
      headers: { "X-TrustSig-Response": response?.token || "" },
    })
  }
}

Server Verificationnpm install @trustsig/server

import { TrustSig } from "@trustsig/server"

const ts = new TrustSig({
  secretKey: process.env.TRUSTSIG_SECRET_KEY
})

app.post("/api/action", async (req, res) => {
  const token = req.headers["x-trustsig-response"]

  // zero latency — no network call
  const result = ts.verifyLocal(token)

  if (result.action === "BLOCK")
    return res.status(403).json({ error: "Blocked" })
})

WordPress

No code required.

Activate the plugin — login, registration, comments, and WooCommerce are all protected instantly. Free tier requires no API key or signup.

1Install from WordPress.org
2Click Activate
✓All forms protected

Install from WordPress.org →

Also available for

VueAngularSvelteVanilla JSPythonGoRubyPHPJava.NETSwift (iOS)Kotlin (Android)DenoEdge / Middleware

02 Platform Comparison

The best captcha alternative.

Most captcha software challenges your users — image puzzles, click boxes, math problems. TrustSig is the captcha replacement and captcha for website teams that want zero friction. Invisible captcha, no captcha challenges, captcha without puzzle.

Feature	TrustSigEU · No cookies · Hardware-level	FriendlyCaptcha	hCaptcha	reCaptcha
User friction	None — invisible	Minimal puzzle	Puzzle / click	Puzzle / click
EU-based	Yes (Germany)	Yes (Germany)	No (US)	No (US)
GDPR-native	Yes	Yes	Partial	No
Bypass-resistant	Hardware-level	Easily bypassable	Moderate	Easily bypassed
Uses cookies	No	No	Yes	Yes
All features in free tier	Yes	No	No	Limited
Monetises user behaviour	Never	Never	Partially	Yes

Full support

Partial

Not supported

03 Spring Boot Integration

Built for Spring Boot.

Privacy First, Always.

No cookies, no tracking pixels. Built for enterprise compliance (GDPR, SOC2).

Invisible Verification.

Seamless user experience. No puzzles or checkboxes for real users.

Friction

Deterministic Accuracy.

Advanced hardware signal extraction to catch even the most sophisticated bots.

04 Pricing

Honest Pricing.

Security shouldn't be a luxury. Unlike competitors who lock their best threat intelligence behind enterprise paywalls, every TrustSig deployment—including our generous free tier—includes our complete deterministic threat engine from day one.

// Free forever

Starter

For personal projects and sites getting started with bot protection.

€0/mo

50,000 requests / month

2 domains

∟Full threat protection suite
∟Bot farm blocking
∟No CAPTCHAs for visitors
∟Community support

// Growth

Growth

For growing businesses with moderate traffic and multiple properties.

€29/mo

Excl. VAT. VAT applies only if no valid VAT ID is provided.

300,000 requests / month

3 domains • €5 per 100k extra reqs

∟Full threat protection suite
∟Bot farm blocking
∟No CAPTCHAs for visitors
∟Email support

// Enterprise Grade

Business

For established companies needing high-volume protection and priority SLA.

€79/mo

Excl. VAT. VAT applies only if no valid VAT ID is provided.

750,000 requests / month

25 domains • €5 per 100k extra reqs

∟Full threat protection suite
∟Bot farm blocking
∟No CAPTCHAs for visitors
∟Priority support

// Infrastructure

Enterprise

Custom volume, compliance requirements, and dedicated infrastructure.

Custom

Unlimited volume

Unlimited domains

∟Full threat protection suite
∟Bot farm blocking
∟No CAPTCHAs for visitors
∟Dedicated Account Manager

Universal Protocol.

Security is a baseline, not a premium feature. Every TrustSig deployment includes our entire deterministic threat detection engine from day one, ensuring elite protection is never locked behind a paywall.

Included

Deterministic Bot Blocking

Included

Environment Attestation

Included

Zero-Latency Topology

Included

Invisible Verification

05 Spring Boot Architecture

Edge-to-Spring Security.

Edge

Token Issuance

Sessions receive an encrypted risk score directly from the edge.

Compute

Analysis

Out-of-band evaluation ensures zero impact on user latency.

Spring Boot App

Local Verification

Verify tokens in your Spring Security filters using our lightweight Java SDK.

06 Spring Boot FAQ

Spring Boot Questions.

You can easily integrate TrustSig by adding a custom Filter to your Spring Security configuration.

Yes, we provide a robust Java SDK that can be added as a dependency via Maven or Gradle.

07 / Human Protocol

Built by security engineers.

The core team behind TrustSig brings a decade of national cyber defence experience to enterprise bot protection.

Aare Reintam

Chief Executive Officer|Co-Founder

NATO CCDCOECybExer Technologies10+ yrs cyber defence

Former Cyber Defence Exercise Manager at NATO CCDCOE — architect of Locked Shields and Crossed Swords, the world's largest live-fire cyber exercises. At TrustSig, he applies that same operational grade to stopping automated attacks.

Robert Vähhi

Chief Technology & Product Officer|Co-Founder

Core Engine ArchitectHardware Attestation

The architectural force behind TrustSig's core signal processing engine and hardware attestation layer. Leads all platform engineering from protocol design to SDK delivery.

Rünno Reinu

Chief Operating & InfoSec Officer|Co-Founder

InfoSec GovernanceProtocol Compliance

Leads security governance and operational structure across all TrustSig protocol layers. Ensures structural integrity and compliance at every level.

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Spring Boot documentation and implementation guidance available upon request.

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