Billing
Decouple your billing logic from your PSP
Build, launch, and automate any pricing model. PaymentKit handles the complex lifecycle of your subscribers all while keeping your logic independent of your payment processor.
All your billing logic in one place
No more rigid billing tools and manual workarounds. Price your product however you want, let PaymentKit run the subscriber lifecycle, and take your billing logic with you, whatever your payment stack looks like.
Universal pricing engine
Flexible pricing support
Native support for flat-fee, tiered, volume-based, usage-based, and packaged pricing.
Hybrid models
Combine multiple billing types (e.g., a monthly base fee plus metered usage) into a single, clean invoice.
Global multi-currency
Bill your customers in their local currency while maintaining a unified view of your revenue in your home currency.
Subscription automation
Upgrades & downgrades
Automated, real-time calculation of prorations and credits so your customers are always billed accurately.
Pause & resume
Give your customers the flexibility to pause their subscriptions instead of canceling, preserving your LTV.
Trial & discount management
Seamlessly handle free trials, intro pricing, and complex coupon codes across your entire product suite.
Checkout and portals that convert
Hosted checkout page
PCI-compliant, high-converting checkout experiences that work with any processor you've connected.
Self-service customer portals
Let your users manage their own seats, update payment methods, and download invoices without ever contacting your support team.
Automated invoicing
Professional, branded PDF invoices generated and sent automatically for every transaction.
Developer-first flexibility
Clear APIs & SDKs
Well-documented APIs and SDKs that are quick to integrate and easy to reason about.
Sandbox environment
A full-featured testing ground with simulated transactions to ensure your logic is bulletproof before you go live.
Real-time webhooks
Stay synced with your other tools (CRM, ERP, Slack) with instant notifications for every billing event.
“Platform lock-in was our biggest risk. PaymentKit's independent vaulting gave us total portability over our subscription data. We migrated seamlessly and boosted our checkout conversion by 5%.”
Read case study →One command center
Total flexibility with zero implementation barriers
PaymentKit is your command center. We optimize the entire lifecycle of a dollar, from the moment a customer signs up to the moment that revenue hits your bank.
Whether you’re a startup looking to launch in hours or an enterprise building a custom checkout experience, PaymentKit scales to your technical needs.
No code
Launch subscriptions, invoices, checkout, and customer portals without writing a single line of code.
Yes code
Integrate in under an hour with clean APIs, SDKs, and a robust sandbox so you can build and deploy without downtime.
Go live without the compliance headache
Start with our no-code components or build your own checkout on the API. Either way, PCI compliance, secure vaulting, and fraud protection come standard.
Get started todayPayment components for any processor
Drop-in checkout, payment fields and portals that work with every PSP you connect.
PCI-compliant card vault
Card data is tokenized and stored with us, keeping your servers out of PCI scope.
3D Secure built in
Step-up authentication runs automatically whenever an issuer or market requires it.
Fraud controls included
Set your rules once and they apply across every processor you route to.