Welcome to Helcim!

Feel good about your payments.

Welcome to Helcim! We’re a payments company dedicated to simplifying the way businesses handle transactions. Founded on the belief that every business deserves access to powerful, flexible payment solutions, we offer a range of tools that make it easy for developers to integrate payment processing into their websites, applications, or software. Whether you’re building a new integration or enhancing an existing one, our user-friendly APIs and comprehensive documentation are designed to support you every step of the way.

At Helcim, we pride ourselves on our commitment to transparency and ease of use. Our payment processing solutions cover everything from online payments to in-person transactions, all while providing seamless integration options for developers. With our robust developer resources, you’ll find everything you need to get started, including detailed API documentation and sample code. We believe in empowering developers to create innovative solutions that drive business growth, and our tools are designed to help you do just that.

We’re not just about providing technology; we’re about fostering partnerships. Our support teams are always ready to assist you with any questions or challenges you may encounter. Plus, our dedication to fair pricing means you can focus on building great products without worrying about hidden fees or complicated contracts.

Join us at Helcim, and let’s create seamless payment experiences together!


Helcim product suite

API use cases

The Helcim API and HelcimPay.js can be used in a range of ways to create custom payment integrations that meet your business needs. Here are some of the more common use cases for how you can integrate with Helcim.

Processing online payments from your website or eCommerce store

Integrating HelcimPay.js into your website or eCommerce store is a breeze and can significantly enhance your customers' checkout experience! Imagine you’re building a sleek online shop and want to offer a secure, streamlined payment option.

By using HelcimPay.js, you can easily embed our JavaScript library, which allows you to collect payment information directly on your site without ever compromising security. Simply follow our detailed documentation to set it up, customize the payment form through your initialize request, and you’ll be ready to accept payments in no time.

Processing in-person payments using your existing third-party POS

The Helcim Smart Terminal API is a game-changer for developers looking to create a seamless point-of-sale experience! Imagine you’re building a retail app that needs to process in-person payments efficiently. With our Smart Terminal API, you can easily integrate the power of our advanced terminals into your application, allowing customers to pay directly from their devices with just a few taps.

Helcim provides real-time card transaction data through our card transaction webhooks events and supports various payment types, including credit cards and digital wallets, ensuring a smooth and secure checkout process.

Processing recurring payments through the Recurring API

The Helcim Recurring API is perfect for developers looking to simplify subscription-based services and automate recurring payments! Imagine you’re creating a platform for a subscription box service, and you want to ensure that billing is effortless for both you and your customers.

By leveraging our Recurring API, you can easily set up payment plans, manage customer subscriptions, apply add-ons for customers, and handle updates to payment methods—all while providing a smooth user experience. Our API allows you to customize billing intervals, track payment statuses, and process missed payments, making it a breeze to keep everything organized.

Creating itemized invoices for payment through your CRM or other software

Integrating with Helcim's Invoice API is an excellent choice for developers who want to streamline the invoicing process for their clients! Picture this: you’re building an application for your business where you need to create and send professional, itemized invoices to your customers.

With our Invoice API, you can easily generate and manage invoices that include detailed descriptions of products, customer billing and shipping details, and due dates. This means you can create and send invoices quickly through a third-party email provider using our online invoice view, track payment statuses, and even set up reminders for overdue payments—all from within your app.


What’s Next

New to Helcim? Review our developer testing documentation and start integrating!