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In the world of digital commerce, the checkout is the final, critical step in the customer journey. Today, we are excited to announce the launch of the FastSpring Sessions API, a powerful suite of endpoints designed to give developers and product teams unprecedented control over the buyer experience. With our new Sessions API you can now build, modify, and optimize cart sessions in real-time on the server side allowing you to deliver a performant and customized experience for your buyers.

Key Features & Capabilities:

  • Dynamic Cart Orchestration: Add, remove, or update session items on the fly. Whether you are building a complex “build-your-own-bundle” flow or offering a last-minute upsell, you can modify the cart programmatically.
  • Granular Customer Data Management: Pre-populate customer details, billing addresses, and tax identifiers (VAT/GST) to eliminate purchase friction with the Update Session Customer endpoint.
  • Optimized Payment Logic: Optimize your checkout strategy easier than ever. For example, prioritize specific payment methods like credit cards in a certain region, or hide payment methods for high-risk products.
  • Real-Time Pricing & Tax Accuracy: Get immediate feedback on localized pricing, taxes, and discounts, ensuring that what the buyer sees on your site perfectly matches the final checkout.
An image showing an account management page with code behind showing the FastSpring sessions API powering the checkout page

Improve Checkout Experiences Today With the New Sessions API

The new Sessions API is designed to help reduce abandonment with pre-filled customer data, offer tailored global experiences with localization options, and improve developer agility via its clean RESTful endpoints for management. Ready to learn more? Take a look at our documentation to see the full reference. Or, schedule some time with our team to discuss how the Sessions API can help your business growth.

FastSpring: Your Partner in Global Growth

The Sessions API is just the latest milestone in a series of releases that are helping to redefine your global payments experience. From expanding localized reach with payment methods like UPI and Pix Recurring, to streamlining your tech stack with our Hubspot Integration, FastSpring’s enterprise-grade services are built to scale alongside your business.

As your payments platform, we are a Merchant of Record, owning the complexities of global commerce so you don’t have to. We combine industry-leading expertise with the flexibility to adapt to any business model, ensuring that you’ll always be tax compliant, have leading fraud prevention, and avoid regulatory hurdles.

Whether you’re breaking into new markets or optimizing your current funnel, FastSpring’s tools are designed to fit directly into your existing and future plans.

Ready to go global?

Schedule some time with our team to discuss how FastSpring can fuel your global growth.

Braden Steel

Braden Steel

Author

Braden is the Senior Product Marketing Manager for FastSpring. When he's not bringing new products to market, he spends his time writing fantasy novels.