<p><strong>Kustom</strong> is the Nordics’ most-used checkout solution, trusted by over 24,000 businesses, from fast-growing brands to global enterprises. Designed to remove friction at every step, Kustom makes it so effortless for shoppers in 170 markets to buy, that they keep coming back for more. The experience is seamless and fast, with pre-filled personal details, plus an express checkout that makes buying easy, especially on mobile. Give your customers access to all the popular payment methods and the delivery options they actually want.</p>
<p>For businesses, Kustom is just as straightforward to manage. A single plug-and-play integration unlocks everything you need to run your checkout with ease, with less upkeep and minimal maintenance. From payment methods, built-in shipping and the flexibility to tailor the look, feel and flow to your brand. Whether you’re in one market or many, Kustom adapts to your needs and scales with your ambitions, supporting growth and delivering a localized experience wherever you sell.</p>
<p>Kustom was founded in 2024 when Klarna Checkout became an independent company, fully focused on building the best possible checkout for merchants. Now, as a standalone solution, Kustom can adapt quicker to the evolving needs of businesses — giving you more control, flexibility and value than ever before.</p>
<h2><img class="alignnone wp-image-18734006561582 size-medium" src="https://woocommerce.com/wp-content/uploads/2018/01/3X_Feature_EN_KCO_cropped_phone_offwhite.png?w=896" alt="" width="896" height="504" /></h2>
<h2><strong>Kustom lets you provide your customers with truly smoooth purchase experiences.</strong></h2>
<p>Our checkout is a seamless and mobile optimized solution that comes with all our payment methods through a single integration. Kustom will improve your checkout experience by providing direct payments, pay after delivery options, and installment plans that let consumers pay whenever and however they prefer. It identifies the customer and enables one-click repeat purchases across Kustom’s merchant network, resulting in increased average order value and conversion rates.</p>
<p>You’ll have one agreement, one point of contact, one settlement file, one payout.</p>
<ul class="wccom-tick-list-secondary">
<li>Mobile-optimised online checkout.</li>
<li>Management of all transactions including card and APMs.</li>
<li>One-click repeat purchases.</li>
</ul>
<h2><strong>All payment methods included in Kustom.</strong></h2>
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<p>Buy now,​ <strong>Pay later</strong></p>
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<p>Pay later in full is a deferred payment that gives shoppers an extra 14, 21, or 30 days to try before they buy.</p>
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<p>Spread the cost with <strong>Interest-free installments </strong></p>
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<p>Increase sales by letting your customers split their payment into interest-free installments.</p>
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<p>Pay over time with​ <strong>Financing</strong></p>
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<p>Give your customers the option to buy now and spread the cost with monthly payments, interest free or interest bearing.</p>
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<p><strong>Pay now</strong>​, with direct payments</p>
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<p>Pay now accepts all direct payments for a fast, convenient checkout.</p>
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<p><img class="alignnone size-medium wp-image-18734006561583" src="https://woocommerce.com/wp-content/uploads/2018/01/EN_KCO_phone_offwhite.png?w=896" alt="" width="896" height="1006" /></p>
<h2>How to Get Started</h2>
<ol>
<li><a href="https://portal.kustom.co/onboarding?_gl=1*le04*_gcl_aw*R0NMLjE3NzU2Mzg4MTQuQ2p3S0NBanctZGZPQmhBakVpd0FxMFJ3STZtQXVWVkI3MWI1WVJLVHZQMUViQjZscmVGZ3J0S1ZzSTVfWWFOS1ZSV2UzVGEwaWhFTDVCb0NBdlFRQXZEX0J3RQ..*_gcl_au*MTY0MTIzMzgzMi4xNzc2Njc1ODQy*_ga*NTMzMTEzODA0LjE3MzY1MTEzNzA.*_ga_BDLF0PFGKQ*czE3Nzg2NzkwNzMkbzIwNyRnMCR0MTc3ODY3OTA3MyRqNjAkbDAkaDE2NDc5NzgxNjQ.">Sign up for Kustom</a>: ​To offer your customers the benefit of paying with Kustom, you must first sign up for a Kustom account and gain access to the Kustom Portal. You’ll be up and running in no time with our new onboarding.</li>
</ol>
<h2><strong>Merchant portal access always included</strong>.</h2>
<p>The Merchant Portal is your one-stop shop to manage everything Kustom. With a single log in to the Merchant Portal dashboard, you’ll get access to multiple tools for hassle-free business management and successful growth with Kustom.</p>
<ul>
<li>Easily track your business performance with an aggregated daily sales overview.</li>
<li>Get the summary of important to-do’s and never miss out on revenue.</li>
<li>Manage your brand directly in the Merchant Portal and control how it’s presented to consumers across Kustom channels, including our shopping app.</li>
<li>Increase sales and average order values with Kustom Elements, read more <a href="https://docs.kustom.co/contents/checkout/kustom-elements">here</a>.</li>
</ul>
<h3></h3>
<p><img class="alignnone size-medium wp-image-18734006561584" src="https://woocommerce.com/wp-content/uploads/2018/01/ENG_KCO_desktop_portal_offwhite.png?w=896" alt="" width="896" height="569" /></p>

Kustom Checkout

<p><strong>Kustom</strong> is the Nordics’ most-used checkout, built to make it a breeze for shoppers to buy, fully flexible to your needs and surprisingly easy to run.</p>

<h2>Automate tax compliance</h2>
<p>Avalara for WooCommerce does the heavy lifting when it comes to domestic and global tax compliance. Our integration with WooCommerce offers a single connection to a global tax compliance platform, helping your business calculate tax at checkout, prepare and file tax returns, manage tax exempt sales, and more. To use Avalara for WooCommerce, you must purchase an account with Avalara if you don’t already have one.</p>
<h2>Let’s make tax one less thing to worry about.</h2>
<p><div class="woo-sc-box normal  info "> <a href="https://www.avalara.com/us/en/get-started/get-started-woocommerce.html?partnerID=0014000000pr8gIAAQ&campaignID=701Uz00000axgqOIAQ&connectorID=a0n3300000FSK2zAAH&utm_campaign=4-2025-woo-listing-general&marketing_channel=web_referral&vendor=partner&paid_unpaid=unpaid" target="_blank" rel="noopener">Speak with an Avalara ecommerce specialist to get started</a> </div><br />
<strong>The 2026 Avalara Tax Changes Report for Retail is here! Understand how tax changes are reshaping retail pricing, compliance, and growth in 2026 and beyond.</strong><br />
<div class="woo-sc-box normal  info "> <a href="https://www.avalara.com/simplify/en/asset/retail-tax-changes-guide-for-2026.html?partnerID=0014000000pr8gIAAQ&campaignID=701Uz000016i9rdIAA&connectorID=a0n3300000FSK2zAAH&utm_campaign=AMER_PROS_Unpaid-Synd_HiVal-Report_03_2026_Woo-ATC-Retail&marketing_channel=web_referral&vendor=partner&paid_unpaid=unpaid&target_audience=partner" target="_blank" rel="noopener">Download the 2026 Avalara Tax Changes Report for Retail</a> </div></p>
<h2><strong>Key benefits</strong></h2>
<h2><span style="font-weight: 400">Let agentic AI do the tax work. Avalara automates tax compliance across industries, borders, and tax types — reduce audit exposure, cut compliance costs, and increase efficiency.</span></h2>
<ul>
<li><strong>Sell globally with confidence – </strong>Give customers full transparency at checkout. Avalara can calculate sales tax, VAT, GST, and duties in real time — so shoppers see accurate costs upfront, with fewer unexpected charges after delivery.</li>
<li><strong>Supports both B2C and B2B –</strong> Whether you sell direct-to-consumer or to other businesses, Avalara manages accurate tax calculations, exemption certificates, and compliance requirements in real time — so every transaction is right the first time.</li>
<li><strong>Unify tax across each sales channel – </strong>Selling through WooCommerce, marketplaces, in-store, or wholesale portals? Avalara integrates with your commerce stack to centralize tax calculation, reporting, and filings with one solution.</li>
<li><strong>Agentic tax and compliance –</strong> Avalara’s AI-powered automation keeps tax compliance streamlined, with in-browser guidance from our Chrome plugin helping your team stay focused on operations and growth.</li>
</ul>
<h2>How to get started</h2>
<ol>
<li><a href="https://www.avalara.com/us/en/get-started/get-started-woocommerce.html?partnersource=0014000000pr8gIAAQ&campaignid=701Uz00000axgqOIAQ&connector=a0n3300000FSK2zAAH" target="_blank" rel="noopener">Contact Avalara to purchase an account</a>, if you don’t already have one.</li>
<li>Download and install the Avalara for WooCommerce extension.</li>
<li>Log in to your Avalara account to get your Account Number and License Key.</li>
<li>Input your Account Number and License Key within your WooCommerce settings.</li>
<li>Set up and save your tax codes and settings for your store.</li>
</ol>
<h2>Notable features</h2>
<p><strong>Address the global market with confidence – </strong>Avalara Cross-Border calculates customs duties and import taxes in real-time, reducing the risk of costly penalties, delays, and customers being surprised with unexpected costs.</p>
<p><img class="alignnone wp-image-18734002504070" src="https://woocommerce.com/wp-content/uploads/2016/01/WooCommerce_AppListing_04.png" alt="Duties and import taxes" width="915" height="610" /></p>
<p><strong>Stay confidently compliant when expanding across borders – </strong>The Avalara for WooCommerce integration supports g<span style="font-weight: 400">lobal tax calculation and reporting—including e-invoicing and live reporting.</span></p>
<p><img class="alignnone wp-image-18734002504002" src="https://woocommerce.com/wp-content/uploads/2016/01/WooCommerce_AppListing_01.png" alt="Cross border" width="915" height="610" /></p>
<p><strong>Digitally organize and manage your exemption certificates – </strong>Avalara Exemption Certificate Management collects exemption certificates at checkout, applies exemptions automatically, and helps you to easily track and maintain your tax-exempt sales.</p>
<p><img class="alignnone wp-image-18734002504047" src="https://woocommerce.com/wp-content/uploads/2016/01/WooCommerce_AppListing_02.png" alt="ECM" width="915" height="610" /></p>
<p><strong>Remove the manual drain of filing and remittance – </strong>When it’s time to file, you can reconcile and pay one amount. Avalara Returns works with state and local governments to file and pay on your behalf.</p>
<p><img class="alignnone wp-image-18734002504055" src="https://woocommerce.com/wp-content/uploads/2016/01/WooCommerce_AppListing_03.png" alt="filing and remittance" width="915" height="610" /></p>
<p> </p>
<h2></h2>
<h2>Free sales tax risk assessments and tools</h2>
<p>If you do business in multiple states and/or countries, knowing if you need to register to collect and file sales tax is important. Learn more from our helpful tools:</p>
<ol>
<li>Are you aware of your potential sales tax obligations? Take this free <a href="https://www.avalara.com/us/en/learn/nexus/nexus-risk-assessment.html?partnersource=0014000000pr8gIAAQ&campaignid=7015a000002BL82AAG&connector=a0n3300000FSK2zAAH" target="_blank" rel="noopener noreferrer">Sales Tax Risk Assessment</a> to help find out.</li>
<li>Learn about your one-stop shop for <a href="https://www.avalara.com/us/en/products/industry-solutions/cross-border-solutions.html?partnerID=0014000000pr8gIAAQ&campaignID=701Uz00000axgqOIAQ&connectorID=a0n3300000FSK2zAAH&utm_campaign=4-2025-woo-listing-crossborder&marketing_channel=web_referral&vendor=partner&paid_unpaid=unpaid">end-to-end international trade compliance</a>.</li>
<li>Sales Tax 101 with Avalara: How much should you charge? If you even have to. <a href="https://www.avalara.com/us/en/learn/guides/small-business-faq/tax-calculation-101.html" target="_blank" rel="noopener">Don’t worry — we’ve got you covered</a>.</li>
</ol>
<h2>Documentation and support</h2>
<ul>
<li>You can learn more about installing and configuring Avalara <a href="https://woocommerce.com/document/avalara-avatax/" target="_blank" rel="noopener">in our documentation</a>.</li>
<li>If you already have an Avalara account, you can reach support through your account dashboard or one of <a href="https://community.avalara.com/support/s/?language=en_US" target="_blank" rel="noopener">these alternate ways.</a></li>
</ul>
<div class="woo-sc-box normal  info ">Curious how we can help with your specific tax challenge? <a href="https://www.avalara.com/us/en/get-started/get-started-woocommerce.html?partnerID=0014000000pr8gIAAQ&campaignID=701Uz00000axgqOIAQ&connectorID=a0n3300000FSK2zAAH&utm_campaign=4-2025-woo-listing-general&marketing_channel=web_referral&vendor=partner&paid_unpaid=unpaid" target="_blank" rel="noopener">Please fill out this form so we can best serve you.</a></div>
<p>“Integrating Avalara with WooCommerce has improved our eCommerce operations. It automatically calculates and applies the correct tax to every order, taking the guesswork out of tax compliance. What was once a manual process is now fully automated, letting us focus on growing our business without tax concerns.” –<i data-stringify-type="italic">Rebecca Fortman, Treasury Accounting Manager, Tydenbrooks</i></p>

Avalara

<p>Let agentic AI do the tax work for your WooCommerce store. Avalara automates your compliance tasks for speed, accuracy, and scale.</p>

Kustom Checkout vs Avalara