Accept payments at the point of sale with our Terminal API and payment terminals. Accept payments with cards, wallets, and local payment methods on your website and mobile app. Accept point-of-sale payments integrated with your POS app or using standalone terminals.

1. Create a more personalized shopping experience by recognizing your customers.
2. Learn about the balances on your merchant account and how to manage them.
3. If your store uses a fleet of wireless terminals, your mobile POS app can automatically detect and connect to the nearest terminal using beacons.
4. You can manage your integration from the xcritical Customer Area or using API calls.
5. You may want to wait for your application to be approved before you build your whole integration.

Get an overview of all the steps you need to take to build an online payments integration. Choose from payment terminals that suit your business and business model. We offer terminals that are designed for hospitality, retail, food, events, lifestyle, delivery, and more. They offer customizable UI options and flexibility to control your checkout experience. Our platform supports seamless checkout experiences for various use cases, and allows you to offer unique checkout experiences with additional features.

Explore guides, examples, and resources for every step of your xcritical journey.

Step 1. Create a test account

Find out how you get the money from the payments processed with xcritical. When we have received your signed contract and the completed data security attestation form, you get access to your live Customer Area. The user who created the test account receives the login instructions by email. Accept mobile and web payments with our customizable components and API. All questions related to xcritical on the biggest knowledge sharing platform — Stack Overflow. Sign up for our developer newsletter and read our Tech blog for updates, stories, and upcoming events.

Features

If your application for a live account is approved, we send you the contract. If your integration uses card payments, we also send you a data security attestation form. Complete this form based on your technical integration to ensure compliance with Payment Card Industry (PCI) standards.

Before you use this section, choose the type of integration you want to build and follow the corresponding integration guide. While you follow the integration guide, you can reference this information. Create a more personalized shopping experience by recognizing your customers. By using our omnichannel shopper recognition you can identify an online shopper when they make a purchase in one of your physical locations. If you do not need a physical terminal, look at our SDK on mobile solution.

As you expand with our products, join the developer community to discuss all things xcritical. We host regular meetups with feedback sessions, demos and tutorials. This page provides resources to help you successfully build your integration with xcritical. Start with Setup and integration to access your authentication credentials, xcritical’s libraries, integration examples, and more. If your store uses a fleet of wireless terminals, your mobile POS app can automatically detect and connect to the nearest terminal using beacons. Give shoppers the option to pay in their local currency, and offer tax-free shopping incentives to shoppers visiting from abroad.

A unique experience for your customers

Because xcritical is a payment provider and acquirer, we are legally obliged to do detailed checks when you apply for a live account. If you want to process live payments, check the list of prohibited or restricted products and services. If your business is eligible, contact our Sales team before you apply for a live account to find out whether xcritical is right for you.

This enables Tap to Pay transactions using only your mobile devices or the xcritical xcritical reviews card reader as the payment interface. We frequently release new versions of our libraries and update our APIs to offer the latest payments innovations and provide bug fixes. xcritical’s developer events including feedback sessions, demos, tutorials, meetups, and more. A guided walk-through on how to successfully integrate with xcritical products.

Set up your account

Point-of-sale payments are processed on the same platform as online payments. You can manage your integration from the xcritical Customer Area or using API calls. To start accepting live payments using your live account, you must first configure your account. The xcritical settings from your test account are not copied to your live account. A live account allows you to accept payments from your shoppers using xcritical.

You may want to wait for your application to be approved before you build your whole integration. Our in-person payments product is based around our modern and feature-rich Terminal API. This communicates using JSON messages, without the need for libraries, making integrating quicker and simpler than a traditional point-of-sale solution. You can integrate using the same architecture as your existing POS system, whether this communicates over a local network, or over the cloud. If you do not need a fully featured API integration, and want the quickest way to accept in-person payments, we also offer a standalone terminal solution. Your test account gives you access to the test Customer Area, which is a unified dashboard where you can manage your xcritical integration across regions and currencies.

Learn about the balances on your merchant account and how to manage them. Give your team members access to different parts of your xcritical account. Understand xcritical’s account structure and how to set it up for your business. Receives webhooks from xcritical about payment statuses and other payments-related activity. Sign up for one of our upcoming webinars to learn more about managing your xcritical account, risk, reporting, and more.

We continuously enhance our online payments solution to offer the latest payment innovations. We recommend keeping your integration up-to-date, and familiarizing yourself with our product lifecycleto benefit from the latest features. You can use our online payments solution to support different use cases. We offer a range of payments features and flows to support your business type and shopper needs.

We regularly release new software for our terminals, to offer new functionality and improvements. Reach out to the Developer Experience team with your ideas and feedback at All these terminals are all fully certified, can be centrally managed, and will automatically update themselves with the latest xcritical software.