How to Integrate Payment Gateway APIs

As the world still copes with the effects of COVID, shoppers and retailers alike are faced with an unprecedented digital boom. For those who didn’t harbor an established online presence prior to this economic shift, this adjustment has caused quite a scramble to feel secure and established in the emerging online shopping empire.

The challenges seem endless: retailers need websites, SEO, online customer support, and most importantly…a payment system. Custom software development has made online purchasing simple through the use of payment gateway APIs, such as a HubSpot integration with Squarespace. The BigCommerce HubSpot integration is game-changing for digital stores; it allows you to connect your store with a CRM for seamless syncing of customer and product information, orders, line items, and more. This allows for more concise customer, money, and order management to help you focus on scaling your business.

Let’s take a deeper dive into how to get started integrating payment gateway APIs into your business.

Starting Your HubSpot Integration with Squarespace: Payment Gateway APIs

API Payment

Before you get started with your HubSpot Integration with Squarespace, there are a few things you should familiarize yourself with. Understanding how payment gateway APIs work is the best way to ensure that you’re maximizing your benefits and properly anticipating your business’s needs.

What is an API?

First things first, there are several different types of APIs, or Application Programming Interfaces. API is simply a technical term for the interface that passes along instructions from one program to another. It lets them know how to interact with each other to offer a seamless online experience for its users.

So, what are payment APIs?

Payment APIs are a subset of APIs that are designed to do exactly as their name suggests: payments. They may be referred to as either payment gateway APIs or payment processing APIs. They work to connect a payment solution interface with a business’s existing application. Most commonly, this means connecting a retailer’s checkout screen with a payment system.

Why use payment APIs?

API Payment

The antiquated option for online business checkout is a “hosted checkout.” This option is still used by a variety of digital retailers, but it comes with its own set of issues that slows down the checkout process and may ultimately have a negative impact on business revenue. Hosted checkout systems are a form of checkout where buyers’ payments are processed on a separate website. Using a separate website for checkout delays the purchasing experience, may have more hiccups, and ultimately interrupts the digital shipping experience by taking customers away from the retailers’ websites. Payment gateway APIs, however, are a custom software development solution to this issue. They allow customers to shop and checkout within the same platform,

Payment API Flexibility

When you’re measuring the flexibility of a payment API, you’re really measuring the business flexibility. When you’re thinking of flexibility and API, you should think of security, convenience, and design within the payment system for both the seller and buyer alike. For example, a payment API that has the flexibility to take multiple currencies, set up one-time and recurring payments, and the ability to accept payments across several devices is far more flexible than an API without these capabilities.

The flexibility level of a payment API is also indicative of its scalability level, which is why custom software development is a great choice to ensure you’re getting everything you need out of your business’s payment setups.


You need something that will meet your business’s needs at a technical and professional level. There are a couple of specific options to consider, such as a payment gateway API that focuses on BigCommerce and HubSpot integration. This is one of the simplest ways to automatically and efficiently sync your customer and order data from your eCommerce setup to the HubSpot CRM.

HubSpot Integration with Squarespace

HubSpot is considered to be one of the best CRMs available today. It offers an all-in-one, innovative solution to managing a retailer’s marketing, services, content, and sales and operations. It’s a cloud-based service that offers a subscription model.

Squarespace, on the other hand, is a website builder offering an easy solution for professional-appearing web builds. You can use one of its straightforward templates to create a professional website, online retail store, a business portfolio, or even start a blog. One of the best features includes the built-in SEO options. You have the option for customization around every corner: think fonts, images, template customization, and custom CSS code for even more customization and creativity. Squarespace provides all of these features within the parameters of a “Collaborative Development Model,” which means you and your team are able to make changes and create discussions in the comment threads.

HubSpot Integration with Squarespace merges these two into one great collaboration, creating a succinct pipeline of your customer and retail information rather than having it in several different places and difficult to analyze. You can streamline your data and more efficiently make informed business decisions based on real-time information and customer feedback.

How to Get Started

The most common way to currently integrate Hubspot and Squarespace is through code injection. Here is one of the most common approaches to completing the code injection:

  1. Go to HubSpot. Go to settings by clicking the gear icon.
  2. Look for the HubSpot Tracking Code available on this page. Once you find it, copy it to your clipboard.
  3. Open Squarespace. Open the admin panel.
  4. Once you’re at the Squarespace admin portal, access the settings page.
  5. Click on the “advanced” option.
  6. Select “code injection” to access where you need to paste the code you copied earlier.
  7. Paste the code into the box.

And… that’s it. If you’re still having trouble successfully achieving HubSpot integration with Squarespace, you should reach out to an experienced team for assistance.245TECH is happy to consult on any and all development needs for your business. We provide custom software development solutions for modern technical issues, such as BigCommerce and HubSpot solutions. Give us a call today at (865) 465-4040!

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