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Python Captcha

A high-level, readable language prized for rapid development, data science and automation across countless domains.Whether Flask or Django, TrustCaptcha brings privacy-friendly protection with proof-of-work and bot scoring that you can style to fit any UI.
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TrustCaptcha is the privacy friendly and user focused CAPTCHA for Python

Security & Bot-ScoreTrustCaptcha combines a proof-of-work with a bot score — similar to the reCAPTCHA score — and custom security configurations for maximum security. Learn more about the CAPTCHA security concept
Privacy Friendly & GDPR-CompliantTrustCaptcha is a privacy-first CAPTCHA solution with a clear focus on data protection and GDPR compliance. Learn more about the GDPR-compliant CAPTCHA
CustomizationAll features of the CAPTCHA widget are fully customizable such as translations or design. The branding or the entire widget can also be hidden. Learn more about the customization
AccessibilityThe CAPTCHA completely dispenses with puzzles or image marking tasks. The CAPTCHA works fully automated and complies with international accessibility standards. Learn more about the accessibility
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Integrate TrustCaptcha in Python

Integrate TrustCaptcha with Python quickly and easily into your website, application or platform in just a few steps and effectively protect your online presence and services from bot abuse.

  • 1 – Sign in or sign up

    The first thing you need to do is sign in to your Trustcomponent account. If you do not yet have a Trustcomponent account, you can register with us quickly and easily in just a few steps. After that, go to your dashboard. Here you will see all existing CAPTCHAs and can create new CAPTCHAs.
    TrustCaptcha Signup PageDashboard Page
  • 2 – Choose existing CAPTCHA or create a new CAPTCHA

    If you already have a CAPTCHA that you want to use, skip this step. If you don't have a CAPTCHA yet, create a new CAPTCHA now.Create a new CAPTCHADuring the creation process, select the “TrustCaptcha” product category and choose your preferred pricing plan. If you are not yet sure which pricing plan to choose, no problem! The plan can be extended at any time. Then decide whether you want to start with the 30-day trial version or go straight to a paid subscription. If you want to start directly with a paid CAPTCHA, all you have to do is add your billing details and optionally a payment method and you're ready to go.30-day trail periodIf you opt for the 30-day trial period, you can test CAPTCHA for 30 days risk-free. At the end of the 30-day trial period, CAPTCHA locks itself. During the 30-day trial period or up to 30 days after the end of the trial period, you can unsubscribe from CAPTCHA at any time for a fee or delete it with immediate effect. If you neither subscribe to the CAPTCHA for a fee nor delete it within 30 days of the end of the free trial period, it will be deleted automatically.Non-Commercial PlanIn addition to our standard plans, we also offer a permanently free “Non Commercial“ plan with 1 website and up to 500 free verifications for non-commercial websites and projects.
    Create CAPTCHA pageCAPTCHA overview page
  • 3 – Add your websites and check your credentials

    On the dashboard of your CAPTCHA you will find all the important information, statistics and setting options. Here you will also find your site-key, the secret-key and, if available, the license-key. You will need these later on when integrating your CAPTCHA.Add your websitesYour CAPTCHA may only be accessed by websites that you explicitly authorise. To allow websites to access the CAPTCHA, enter all the websites on which you want to integrate the CAPTCHA in the settings.
    CAPTCHA credentials pageCAPTCHA settings page
  • 4 – Solve the CAPTCHA in your frontend

    Integrate the CAPTCHA widget into your website or app. You can find detailed instructions for the frontend integration in our documentation. The CAPTCHA widget will then be displayed on your website or app.
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    Prebuild frontend integrationsYou can use one of our pre-built integrations to integrate the CAPTCHA widget into your website or application. If there is no pre-built integration from us for your preferred frontend technology, your software developers can integrate the CAPTCHA themselves using our documentation or ask our support-team for a pre-built integration solution.
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  • 5 – Validate the CAPTCHA result in your backend

    When the CAPTCHA has finished, take the verification token and send it to your backend. Then retrieve the verification result from our servers and determine your next steps. You can find detailed information on backend integration in our documentation.Basic steps for PythonThe basic steps for your Python integration are as follows. For detailed instructions, please read our documentation.Install Dependency
    Fetch Result
    Handle Result
    Other backend technology instead of Python?If you do not want to use Python or have several backend services you can select a different language or framework here. If there is no pre-built integration from us for your preferred backend technology, your software developers can integrate the CAPTCHA themselves using our documentation or ask our support-team for a pre-built integration solution.
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  • 6 – Congratulations 🎉

    You are now protected by TrustCaptcha - congratulations!
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Do you need more information about the Angular integration?

Frequently Asked Questions

What is a Python CAPTCHA?
A Python CAPTCHA is a verification widget that you embed in Python frameworks like Flask or Django to tell real users apart from bots. Modern services such as TrustCaptcha run a lightweight proof-of-work puzzle plus an AI-driven bot score entirely in the browser, so most visitors never see a challenge. You simply add the widget to your template and verify the returned token in a few lines of Python. This keeps forms, login pages and APIs safe without compromising performance.
What is the best Python CAPTCHA?
The best Python CAPTCHA balances security, privacy and user experience. TrustCaptcha leads here with multi-layer security (dynamic proof-of-work, intelligent bot-scoring and granular rules), full EU hosting for effortless GDPR compliance and deep branding options. Because the puzzle runs automatically, pages load up to three times faster than image-based CAPTCHAs and conversions stay high. Teams that need SLAs and whitelabel features typically choose TrustCaptcha over proof-of-work-only alternatives.
How does a Python CAPTCHA work?
When the page loads, the CAPTCHA widget starts a small cryptographic puzzle in the user’s browser. Simultaneously, telemetry such as device fingerprints and interaction patterns feed an AI model that returns a bot probability score. Your backend receives the signed token, calls the verification endpoint and decides whether to accept, rate-limit or block the request. With TrustCaptcha you can tune thresholds, geoblocking, IP allowlists and other rules in the dashboard without code changes.
Do I need a Python CAPTCHA?
If your Python-powered site has forms, login flows, search boxes or public APIs, a CAPTCHA is the fastest way to stop credential-stuffing, spam and scraping. Attack traffic can drain CPU credits and ruin analytics even on small projects. TrustCaptcha’s free non-commercial tier covers up to 500 checks a month, so you can test risk-free. As traffic grows, you can switch plans or tighten security settings without touching your code.
Is TrustCaptcha GDPR-compliant and where is my data stored?
Yes. TrustCaptcha is engineered in Europe, processes all data exclusively on EU servers and keeps no tracking cookies by default. A click-through Data Processing Agreement (DPA) and optional SLA are available in every account, so you stay audit-ready. For extra privacy you can switch to Minimal-Data mode, though advanced bot scoring is then disabled.
How does TrustCaptcha’s multi-layer security compare to proof-of-work-only CAPTCHAs?
Proof-of-work alone slows bots but cannot tell a scripted browser from a human. TrustCaptcha pairs adaptive puzzles with an AI bot-score that detects headless browsers, emulators and suspicious behaviour, blocking them 30× longer than human traffic. You can also raise or lower the difficulty, whitelist IPs and set country blocks, giving fine-grained control unmatched by single-layer solutions.
What is the impact of TrustCaptcha on accessibility and conversion rates?
TrustCaptcha is WCAG-2.2 compliant and requires no clicking on pictures or solving riddles, so it works seamlessly with screen readers and keyboards. Because the check runs passively while the user fills the form, average completion time is under two seconds, boosting conversions by up to 183 % over puzzle-based CAPTCHAs. You can even hide the widget entirely to preserve a clean UI.

Integrate TrustCaptcha in your Python application in just a few steps!

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