<!doctype html><html lang=en-us><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="ie=edge"><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><link rel=preload as=font href=/fonts/vendor/jost/jost-v4-latin-regular.woff2 type=font/woff2 crossorigin><link rel=preload as=font href=/fonts/vendor/jost/jost-v4-latin-700.woff2 type=font/woff2 crossorigin><link rel=stylesheet href=/main.f4e82f75f039986a07346a99687f11e3218d588abe9b9daa7d0673b1a7aaee5b689ec69619c26a2962d5a124bed33807d58bd84180c249bbb8eddc33c5ef5baa.css integrity="sha512-9OgvdfA5mGoHNGqZaH8R4yGNWIq+m52qfQZzsaeq7ltonsaWGcJqKWLVoSS+0zgH1YvYQYDCSbu47dwzxe9bqg==" crossorigin=anonymous><noscript><style>img.lazyload{display:none}</style></noscript><meta name=robots content="index, follow"><meta name=googlebot content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1"><meta name=bingbot content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1"><title>Installing mCaptcha on your website - mCaptcha</title><meta name=description content="Interested in deploying mCpatcha? From deploying a self-hosted instance to installing the CAPTCHA on your website, this guide will have you covered!"><link rel=canonical href=/docs/introduction/installing-captcha/><meta name=twitter:card content="summary_large_image"><meta name=twitter:image content="/icon.png"><meta name=twitter:title content="Installing mCaptcha on your website"><meta name=twitter:description content="Interested in deploying mCpatcha? From deploying a self-hosted instance to installing the CAPTCHA on your website, this guide will have you covered!"><meta name=twitter:site content="@"><meta name=twitter:creator content="@"><meta property="og:title" content="Installing mCaptcha on your website"><meta property="og:description" content="Interested in deploying mCpatcha? From deploying a self-hosted instance to installing the CAPTCHA on your website, this guide will have you covered!"><meta property="og:type" content="article"><meta property="og:url" content="/docs/introduction/installing-captcha/"><meta property="og:image" content="/icon.png"><meta property="article:published_time" content="2022-06-22T00:00:00+00:00"><meta property="article:modified_time" content="2022-08-01T23:03:44+05:30"><meta property="og:site_name" content="mCaptcha"><meta property="article:publisher" content="https://www.facebook.com/"><meta property="article:author" content="https://www.facebook.com/"><meta property="og:locale" content="en_US"><script type=application/ld+json>{"@context":"http://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"\/"},{"@type":"ListItem","position":2,"name":"Docsintroductioninstalling Captcha","item":"\/docsintroductioninstalling-captcha\/"}]}</script><meta name=theme-color content="#fff"><link rel=apple-touch-icon sizes=180x180 href=/apple-touch-icon.png><link rel=icon type=image/png sizes=32x32 href=/favicon-32x32.png><link rel=icon type=image/png sizes=16x16 href=/favicon-16x16.png><link rel=manifest href=/site.webmanifest></head><body class="docs single"><div class="header-bar fixed-top"></div><header class="navbar fixed-top navbar-expand-md navbar-light"><div class=container><input class="menu-btn order-0" type=checkbox id=menu-btn>
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<span class=toggle-dark><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-moon"><path d="M21 12.79A9 9 0 1111.21 3 7 7 0 0021 12.79z"/></svg></span><span class=toggle-light><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-sun"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg></span></button><ul class="navbar-nav social-nav order-3 order-md-5"><li class=nav-item><a class=nav-link href=https://github.com/mCaptcha><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-github"><path d="M9 19c-5 1.5-5-2.5-7-3m14 6v-3.87a3.37 3.37.0 00-.94-2.61c3.14-.35 6.44-1.54 6.44-7A5.44 5.44.0 0020 4.77 5.07 5.07.0 0019.91 1S18.73.65 16 2.48a13.38 13.38.0 00-7 0C6.27.65 5.09 1 5.09 1A5.07 5.07.0 005 4.77 5.44 5.44.0 003.5 8.55c0 5.42 3.3 6.61 6.44 7A3.37 3.37.0 009 18.13V22"/></svg><span class="ms-2 visually-hidden">GitHub</span></a></li></ul><div class="collapse navbar-collapse order-4 order-md-1"><ul class="navbar-nav main-nav me-auto order-5 order-md-2"><li class=nav-item><a class=nav-link href=/blog/>Blog</a></li><li class=nav-item><a class=nav-link href=/community/>Community</a></li><li class=nav-item><a class=nav-link href=/contact/>Contact</a></li><li class=nav-item><a class=nav-link href=/about/>About</a></li><li class="nav-item active"><a class=nav-link href=/docs/introduction/installing-captcha/>Docs</a></li></ul><div class="break order-6 d-md-none"></div><form class="navbar-form flex-grow-1 order-7 order-md-3"><input id=userinput class="form-control is-search" type=search placeholder="Search docs..." aria-label="Search docs..." autocomplete=off><div id=suggestions class="shadow bg-white rounded"></div></form></div></div></header><div class="wrap container" role=document><div class=content><div class="row flex-xl-nowrap"><div class="col-lg-5 col-xl-4 docs-sidebar"><nav class=docs-links aria-label="Main navigation"><h3>Introduction</h3><ul class=list-unstyled><li><a class="docs-link active" href=/docs/introduction/installing-captcha/>Installing mCaptcha on your website</a></li><li><a class=docs-link href=/docs/introduction/configuring-difficulty-factor/>Configuring Difficulty Factor</a></li></ul><h3>Terminology</h3><ul class=list-unstyled><li><a class=docs-link href=/docs/terminology/access-token/>Access token</a></li><li><a class=docs-link href=/docs/terminology/cooldown-period/>Cooldown Period</a></li><li><a class=docs-link href=/docs/terminology/difficulty-factor/>Difficulty Factor</a></li><li><a class=docs-link href=/docs/terminology/sitekey/>Site key</a></li><li><a class=docs-link href=/docs/terminology/visitor-threshold/>Visitor Threshold</a></li></ul><h3>Self-Hosted</h3><ul class=list-unstyled><li><a class=docs-link href=/docs/self-hosted/getting-started/>Getting started</a></li><li><a class=docs-link href=/docs/self-hosted/bare-metal/>Deploy bare metal</a></li><li><a class=docs-link href=/docs/self-hosted/docker/>Using Docker</a></li><li><a class=docs-link href=/docs/self-hosted/dependencies/>Database and cache</a></li></ul><h3>API</h3><ul class=list-unstyled><li><a class=docs-link href=/docs/api/browser/>Browser libraries</a></li><li><a class=docs-link href=/docs/api/mcaptcha-system/>mCaptcha System Library</a></li><li><a class=docs-link href=/docs/api/pow-sha256/>pow_sha256</a></li></ul><h3>Help</h3><ul class=list-unstyled><li><a class=docs-link href=/docs/help/troubleshooting/>Troubleshooting</a></li><li><a class=docs-link href=/docs/help/faq/>FAQ</a></li></ul></nav></div><nav class="docs-toc d-none d-xl-block col-xl-3" aria-label="Secondary navigation"><div class=page-links><h3>On this page</h3><nav id=TableOfContents><ul><li><a href=#1-create-an-account-and-sign-into-the-mcaptcha-dashboard>1. Create an account and sign into the mCaptcha dashboard</a></li><li><a href=#2-create-new-site-key>2. Create new site key</a><ul><li><a href=#easy-modedocsintroductionconfiguring-difficulty-factoreasy-option><a href=/docs/introduction/configuring-difficulty-factor/#easy-option>Easy Mode</a></a></li></ul></li><li><a href=#3-copy-widget-link>3. Copy widget link</a></li><li><a href=#4-install-mcaptcha-on-your-website>4. Install mCaptcha on your website</a></li><li><a href=#5-configure-backend-to-authenticate-captcha-tokens>5. Configure backend to authenticate CAPTCHA tokens</a></li></ul></nav></div></nav><main class="docs-content col-lg-11 col-xl-9"><h1>Installing mCaptcha on your website</h1><p class=lead></p><p>mCaptcha can protect your website from DDoS attacks. In this guide we’ll
explore how to install mCaptcha on your website. The end result will be
something like this, on your website:</p><figure><img class="img-fluid lazyload blur-up" data-sizes=auto src=/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_20x0_resize_box_2.png data-srcset="/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_500x0_resize_box_2.png 500w" width=618 height=669 alt="A registration form with mCaptcha widget installed"><noscript><img class=img-fluid sizes=100vw srcset="/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/mcaptcha-widget-installation-result_hub39801b2a229b4882fd00c2c83dd77fb_28299_500x0_resize_box_2.png 500w" src=/docs/introduction/installing-captcha/mcaptcha-widget-installation-result.png width=618 height=669 alt="A registration form with mCaptcha widget installed"></noscript></figure><p>For the purpose of this demo, we will be using
<a href=https://demo.mcaptcha.org>demo.mcaptcha.org</a>, a demo instance running
in @realaravinth’s bedroom(for this same reason, it shouldn’t be used
for anything serious)</p><h2 id=1-create-an-account-and-sign-into-the-mcaptcha-dashboard>1. Create an account and sign into the mCaptcha dashboard<a href=#1-create-an-account-and-sign-into-the-mcaptcha-dashboard class=anchor aria-hidden=true>#</a></h2><p>Head over to <a href=https://demo.mcaptcha.org/join>demo.mcaptcha.org</a> and
create an account. When ready, sign in.</p><h2 id=2-create-new-site-key>2. Create new site key<a href=#2-create-new-site-key class=anchor aria-hidden=true>#</a></h2><p>A <a href=/docs/terminology/sitekey/>site key</a> is how a new CAPTCHA is configured within mCaptcha. To create
a new site key, click on “New Site” button in the dashboard.</p><figure><img class="img-fluid lazyload blur-up" data-sizes=auto src=/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_20x0_resize_box_2.png data-srcset="/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_900x0_resize_box_2.png 900w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_500x0_resize_box_2.png 500w" width=1825 height=857 alt="mCaptcha dashboard with the 'new site key' button highlighted"><noscript><img class=img-fluid sizes=100vw srcset="/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_900x0_resize_box_2.png 900w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/new-sitekey-btn_hu4dc550a2e568d01f004e26fb8eb1b427_65746_500x0_resize_box_2.png 500w" src=/docs/introduction/installing-captcha/new-sitekey-btn.png width=1825 height=857 alt="mCaptcha dashboard with the 'new site key' button highlighted"></noscript></figure><p>There are two options to create a new site key, easy and advanced. <strong>We
are going to use the easy mode in this tutorial.</strong> If you are interested
in learning more about the advance mode, please see <a href=/docs/introduction/configuring-difficulty-factor/#advance-option>here</a>.</p><blockquote><h3 id=easy-modedocsintroductionconfiguring-difficulty-factoreasy-option><a href=/docs/introduction/configuring-difficulty-factor/#easy-option>Easy Mode</a><a href=#easy-modedocsintroductionconfiguring-difficulty-factoreasy-option class=anchor aria-hidden=true>#</a></h3><p>Easy mode asks a few basic statistics about your website and generates a
configuration that should work for your website. Currently, easy mode is
guided by assumptions on suitable difficulty factors to protect a
website but it will be fine-tuned as mCaptcha sees more deployment.</p><p>Configuration generated by easy mode can be tweaked later using the
advance mode, as you become more familiar with how mCaptcha works.</p></blockquote><p>Fill the form and submit it.</p><figure><img class="img-fluid lazyload blur-up" data-sizes=auto src=/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_20x0_resize_box_2.png data-srcset="/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_900x0_resize_box_2.png 900w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_500x0_resize_box_2.png 500w" width=720 height=452 alt="mCaptcha dashboard with the 'new site key' form in easy mode, with details filled in"><noscript><img class=img-fluid sizes=100vw srcset="/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_900x0_resize_box_2.png 900w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_800x0_resize_box_2.png 800w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_700x0_resize_box_2.png 700w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_600x0_resize_box_2.png 600w,/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled_hu0c237370199481610ab31adaa9c5a5e6_30108_500x0_resize_box_2.png 500w" src=/docs/introduction/installing-captcha/new-sitekey-easy-mode-filled.png width=720 height=452 alt="mCaptcha dashboard with the 'new site key' form in easy mode, with details filled in"></noscript></figure><h2 id=3-copy-widget-link>3. Copy widget link<a href=#3-copy-widget-link class=anchor aria-hidden=true>#</a></h2><p>Submitting the form will take you to a page where site key configuration
can be viewed. “View deployment” link will display CAPTCHA widget with
the supplied configuration. Click on it and grab the widget link.</p><h2 id=4-install-mcaptcha-on-your-website>4. Install mCaptcha on your website<a href=#4-install-mcaptcha-on-your-website class=anchor aria-hidden=true>#</a></h2><p>Integration support is available for some frontend JavaScript
frameworks. To see full list of supported frameworks, please see
<a href=https://github.com/mCaptcha/glue#framework-support>here</a>.</p><p>There are two options to use the integration library to integrate
mCaptcha on your website:</p><ol><li>Serve the integration library yourself</li><li>Use a CDN like unpkg.com</li></ol><p>In this tutorial, we’ll be using the CDN.</p><p><strong>Pasting the following snippet on the page, within the form</strong> that requires to be protected
will load the mCaptcha widget with the configuration supplied. Be sure
to replace <code>Your {{paste your widget link}}</code> with the link obtained from
the previous step.</p><div class=highlight><pre style=color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-html data-lang=html><span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 1</span><<span style=color:#ff79c6>div</span> <span style=color:#50fa7b>id</span><span style=color:#ff79c6>=</span><span style=color:#f1fa8c>"mcaptcha__widget-container"</span>></<span style=color:#ff79c6>div</span>>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 2</span><<span style=color:#ff79c6>script</span> <span style=color:#50fa7b>src</span><span style=color:#ff79c6>=</span><span style=color:#f1fa8c>"https://unpkg.com/@mcaptcha/vanilla-glue@0.1.0-alpha-2/dist/index.js"</span>></<span style=color:#ff79c6>script</span>>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 3</span><<span style=color:#ff79c6>script</span> <span style=color:#50fa7b>charset</span><span style=color:#ff79c6>=</span><span style=color:#f1fa8c>"utf-8"</span>>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 4</span> <span style=color:#8be9fd;font-style:italic>let</span> config <span style=color:#ff79c6>=</span> {
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 5</span> widgetLink<span style=color:#ff79c6>:</span> <span style=color:#ff79c6>new</span> URL(
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 6</span> {{paste yout widget link}}
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 7</span> ),
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 8</span> };
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 9</span> <span style=color:#ff79c6>new</span> mcaptchaGlue.<span style=color:#ff79c6>default</span>(config);
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">10</span></<span style=color:#ff79c6>script</span>>
</code></pre></div><p>A full example is available
<a href=https://github.com/mCaptcha/glue/blob/ea576d875457de54d82bed3edfc4ee68302fa4d8/packages/vanilla/static/embeded.html>here</a>.</p><h2 id=5-configure-backend-to-authenticate-captcha-tokens>5. Configure backend to authenticate CAPTCHA tokens<a href=#5-configure-backend-to-authenticate-captcha-tokens class=anchor aria-hidden=true>#</a></h2><ol><li><p>Get <a href=/docs/terminology/access-token>access token</a> from the user’s
form submission payload. The access token will be associated with a
parameter called <code>mcaptcha__token</code>.</p><div class=highlight><pre style=color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-python data-lang=python><span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">1</span> mcaptcha_token <span style=color:#ff79c6>=</span> request<span style=color:#ff79c6>.</span>form[<span style=color:#f1fa8c>"mcaptcha__token"</span>]
</code></pre></div></li><li><p>Validate access token with mCaptcha instance</p></li></ol><div class=highlight><pre style=color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-python data-lang=python><span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 1</span>payload <span style=color:#ff79c6>=</span> {
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 2</span> <span style=color:#f1fa8c>"token"</span>: mcaptcha_token,
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 3</span> <span style=color:#f1fa8c>"key"</span>: mcaptcha_sitekey, <span style=color:#6272a4># captcha site key</span>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 4</span> <span style=color:#6272a4># mCaptcha account secret; available in settings</span>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 5</span> <span style=color:#f1fa8c>"secret"</span>: mcaptcha_account_secret,
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 6</span>}
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 7</span>resp <span style=color:#ff79c6>=</span> requests<span style=color:#ff79c6>.</span>post(
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 8</span> <span style=color:#f1fa8c>"https://demo.mcaptha.org/api/v1/pow/siteverify"</span>, json<span style=color:#ff79c6>=</span>payload
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f"> 9</span>)
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">10</span>resp <span style=color:#ff79c6>=</span> resp<span style=color:#ff79c6>.</span>json()
</code></pre></div><ol start=3><li>If access token is valid, allow access to protected resource or deny
access.</li></ol><div class=highlight><pre style=color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-python data-lang=python><span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">1</span> <span style=color:#ff79c6>if</span> resp[<span style=color:#f1fa8c>"valid"</span>] <span style=color:#ff79c6>==</span> False:
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">2</span> <span style=color:#ff79c6>return</span> <span style=color:#f1fa8c>"invalid captcha"</span>, <span style=color:#bd93f9>400</span>
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">3</span> <span style=color:#ff79c6>else</span>:
<span style="margin-right:.4em;padding:0 .4em;color:#7f7f7f">4</span> <span style=color:#ff79c6>return</span> allow_access_to_protected_resource(request<span style=color:#ff79c6>.</span>form)
</code></pre></div><p>Please see here for a complete <a href=https://github.com/mCaptcha/dos/tree/8f2b53ab46d64fa78a8300dc8ce9d78578ffce12/server>Flask example</a> and here for an <a href=https://github.com/mCaptcha/dos/tree/8f2b53ab46d64fa78a8300dc8ce9d78578ffce12/rust-server/demo-server>Actix
Web example</a>.</p><p>Congratulations, mCaptcha is now integrated with your website!</p><p class=edit-page><a href=https://github.com/mCaptcha/website/blob/master/content/docs/introduction/installing-captcha/index.md><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentcolor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-edit-2"><path d="M17 3a2.828 2.828.0 114 4L7.5 20.5 2 22l1.5-5.5L17 3z"/></svg>Edit this page on GitHub</a></p><div class="docs-navigation d-flex justify-content-between"><a class=ms-auto href=/docs/introduction/configuring-difficulty-factor/><div class="card my-1"><div class="card-body py-2">Configuring Difficulty Factor →</div></div></a></div></main></div></div></div><footer class="footer text-muted"><div class=container><div class=row><div class="col-lg-8 order-last order-lg-first"><ul class=list-inline><li class=list-inline-item>Powered by <a href=https://gohugo.io/>Hugo</a>, and <a href=https://getdoks.org/>Doks</a></li></ul></div><div class="col-lg-8 order-first order-lg-last text-lg-end"><ul class=list-inline><li class=list-inline-item><a href=/about/>About</a></li><li class=list-inline-item><a href=/donate>Donate</a></li><li class=list-inline-item><a href=/privacy-policy/>Privacy</a></li><li class=list-inline-item><a href=/security>Security</a></li><li class=list-inline-item><a href=https://stats.uptimerobot.com/GK7VLFJnBl>Status</a></li><li class=list-inline-item><a href=/support/>Support</a></li><li class=list-inline-item><a href=/thanks>Thanks</a></li><li class=list-inline-item><a href=/tos>ToS</a></li></ul></div></div></div></footer><script src=/main.min.993b2b4c58b07e7a4bb3423cf18ccd78a85d0063680c0fc9bf6d9cc02be98e08793034d984dd8f7c60ad5b70f3186cc8bc280b1077b7e37c2d64f36f118099bb.js integrity="sha512-mTsrTFiwfnpLs0I88YzNeKhdAGNoDA/Jv22cwCvpjgh5MDTZhN2PfGCtW3DzGGzIvCgLEHe343wtZPNvEYCZuw==" crossorigin=anonymous defer></script><script src=/index.min.7d5d1ca710ea94116971c4f9b5d605926d6787458c6db6a8692e7e43552c36a15900b49fcf046f4201b11961d77342063a73a6d585b7ca1c6ea1efbbb157e8b4.js integrity="sha512-fV0cpxDqlBFpccT5tdYFkm1nh0WMbbaoaS5+Q1UsNqFZALSfzwRvQgGxGWHXc0IGOnOm1YW3yhxuoe+7sVfotA==" crossorigin=anonymous defer></script></body></html>