Decorative transparent sunburst background with radiating lines, used as the hero section backdrop

Save 50% on fees

Replace Stripe billing with a simpler billing engine

Manage subscriptions, invoices and payments in minutes, with real-time analytics, tax plugins, and more.

ChaChing dashboard mockup showing monthly recurring revenue of $13,502.24, a total revenue card of $353,731.63, an active subscriptions card with 131 subscriptions, and a subscription creation form with product and tax fields
Decorative transparent sunburst background with radiating lines, used as the hero section backdrop

Save 50% on fees

Replace Stripe billing with a simpler billing engine

Manage subscriptions, invoices and payments in minutes, with real-time analytics, tax plugins, and more.

ChaChing dashboard mockup showing monthly recurring revenue of $13,502.24, a total revenue card of $353,731.63, an active subscriptions card with 131 subscriptions, and a subscription creation form with product and tax fields
Decorative transparent sunburst background with radiating lines, used as the hero section backdrop

Save 50% on fees

Replace Stripe billing with a simpler billing engine

Manage subscriptions, invoices and payments in minutes, with real-time analytics, tax plugins, and more.

ChaChing dashboard mockup showing monthly recurring revenue of $13,502.24, a total revenue card of $353,731.63, an active subscriptions card with 131 subscriptions, and a subscription creation form with product and tax fields

Powered by

Kill Bill is the open-source billing engine trusted by Fortune 500 companies like:

Feature

Subscriptions & Invoicing

One-off invoices

Generate professional, brandable invoices for setup fees or custom services in seconds.

ChaChing app screenshot of the 'Create an invoice' screen, showing customer selection (Floyd Miles), payment collection settings, and an invoice preview panel

Automated Subscriptions

Automate cycles, renewals, and grace periods with a "set it and forget it" engine.

ChaChing app screenshot of the Subscriptions list, showing customers with statuses: Active, Trial, Scheduled, Paused, and Cancelled, with billing amounts per period

Auto‑proration on upgrades/downgrades

Effortlessly handle mid-cycle upgrades or downgrades with instant, accurate credit calculations.

ChaChing app screenshot showing subscription details for Bessie Cooper, including trial period, creation date, current billing period, and subscription ID fields

Feature

Tax, Compliance & Finance

Pluggable tax engines and custom rules

Connect your preferred tax provider (like TaxJar or Anara) to automate global calculations.

ChaChing app screenshot of the 'Edit subscription' dialog, showing a product (Business · $200/month) with a 9% tax rate and a summary preview panel dated 3 May 2025

Multi-Tax Products, Global Compliance (GST,VAT,Sales Tax)

Apply specific regional tax codes to individual line items, from SaaS to physical goods.

ChaChing app screenshot of the Tax Rates table, listing multiple tax types (Sales Tax, Digital Goods Tax, Digital Asset Tax, etc.) for the United States with tax rate IDs

Feature

Analytics & Data

Revenue Metrics

Track MRR, ARR, and LTV in real-time with high-fidelity growth dashboards.

ChaChing app screenshot of the Overview dashboard, showing monthly recurring revenue of $13,502.24 with a trend chart from March to April

Real-time events

Visualize cohort health and identify at-risk revenue before it disappears.

ChaChing app screenshot of the Subscriptions analytics page, showing 131 active subscriptions, 21 new subscriptions, $353,731.63 total revenue, $13 average revenue per user, and 421 total invoices

Feature

Developer Experience

Stripe Migration

Move customers and payment methods with zero downtime using our migration toolkit.

ChaChing app screenshot of the subscription migration tool, showing a list of subscriptions (CHC IDs) with Active status, customer names and emails, and a start date of 1 May 2025

Testing Sandbox

Iterate safely in a mirror-image environment before pushing to production.

ChaChing app screenshot showing the sandbox environment with a warning banner ('You're testing in a sandbox'), the main navigation sidebar, and the Overview page with MRR of $13,502.24

OpenAPI Architecture

Build faster with a standardized, well-documented API designed for modern stacks.

ChaChing app screenshot showing a code snippet of a curl POST request to the subscriptions API endpoint, with JSON body parameters including customer ID, price, tax, quantity, trial days, and start date

Already in Stripe?

Keep your subscriptions, cut your fees

Seamlessly migrate to ChaChing, with everything intact. Keep using Stripe to process your payments but migrate your existing subscriptions and save 50% on your billing fees.

ChaChing migration tool UI showing a list of Stripe subscriptions selectable for migration, with customer names (Curtis Weaver, Dianne Russell, Savannah Nguyen, etc.), emails, and Active status badges

How to migrate from Stripe Billing

Migration step 1 card showing a 'Connect existing Stripe merchant account' option with a Stripe 'S' icon, and a 'Create new Stripe merchant account' option with a plus icon
Migration step 1 card showing a 'Connect existing Stripe merchant account' option with a Stripe 'S' icon, and a 'Create new Stripe merchant account' option with a plus icon

01

Connect your Stripe account

Using the stripe secret key we can access your subscriptions and its dependencies

Migration step 2 card showing a subscription selection table with checkboxes. Entries DCE 123-4567, 234-5678, and 345-6789 are all checked as Active, with customer names Curtis Weaver, Dianne Russell, and Savannah Nguyen
Migration step 2 card showing a subscription selection table with checkboxes. Entries DCE 123-4567, 234-5678, and 345-6789 are all checked as Active, with customer names Curtis Weaver, Dianne Russell, and Savannah Nguyen

02

Select subscriptions to migrate

Migrate all or a subset of subscriptions. Replace your current hosted page with Chaching's

Migration step 3 card showing a migration summary with stats: 32 subscriptions, 28 products, 14 customers, and 4.5% sales tax
Migration step 3 card showing a migration summary with stats: 32 subscriptions, 28 products, 14 customers, and 4.5% sales tax

03

Review and confirm migration

We import all dependencies to make sure things continue running smoothly.

Powered by Kill Bill — the billing engine trusted by Fortune 500 companies since 2010.
Powered by Kill Bill — the billing engine trusted by Fortune 500 companies since 2010.

Coming soon: Migrate from Chargebee and Recurly

Coming soon: Migrate from Chargebee and Recurly

Powered by Kill bill

Built on a Foundation You Can Trust

ChaChing is built on top of Kill Bill — the open-source billing engine that's been powering enterprise billing since 2010.

Direct partnership

ChaChing works hand-in-hand with the Kill Bill core team; their engineers are actively involved in ChaChing's development and support

No black box

Kill Bill is fully open-source (Apache 2.0), meaning the infrastructure your business runs on is transparent and auditable

Battle-tested at scale

Organizations invoicing billions annually trust the same engine running under ChaChing, and a team with over 15 years of combined experience

No lock in

your data and billing logic run on an open standard. You can always take it with you.

Simple 0.35% pricing

Hero

Any small to medium business

0.35%

of billing volume

Enterprise

Enterprise solution

Custom

Talk to us

No lock-in, ever

ChaChing is built on Kill Bill's open-source core. If you ever outgrow us, your billing data and logic are fully portable — you can run Kill Bill yourself. We believe that's the only honest way to offer a managed solution.

What's included

Recurring billing and subscriptions

Set up subscriptions in the Dashboard, use Payment Links to accept payments with no code, or use Checkout’s pre-built payments page. You can also build a custom integration.

Included

Customer portal

Let your customers manage their billing details from a secure page

Included

Invoice auto-reconciliation

Automatically reconcile recurring invoices paid by ACH credit or wire transfers

Included

Multi-phase subscription schedules

Schedule changes to subscriptions ahead of time, such as upgrading on a future date.

Included

Smart Retries

Automatically retry failed payments at the optimal time by using machine learning.

Included

MRR/ARR, churn, and LTV

of billing volume

Included

Trusted infrastructure. Migrated in minutes.

01

No processor swap

Keep Stripe for payments. Swap only the billing layer.

02

No data rebuild

Customers, subscriptions, and tax rates import automatically.

03

No customer disruption

Hosted pages update seamlessly. Billing continues uninterrupted.

Powered by Kill Bill — the billing engine trusted by Fortune 500 companies since 2010.
Powered by Kill Bill — the billing engine trusted by Fortune 500 companies since 2010.

Coming soon: Migrate from Chargebee and Recurly

Coming soon: Migrate from Chargebee and Recurly

See how much you can save with ChaChing

Monthly subscription volume
$
You save
$420.00
Chaching fee
$420.00
0.35% of volume
Stripe fee
$840.00
0.70% of volume

Why ChaChing?

Founders memo

Running your business online can feel overwhelming, especially with subscription models. On top of that, big payment processors often charge small businesses a fortune. Our vision is to challenge the status quo and make billing simple, fair, and affordable for everyone.

Built with love & sweat

Based in Miami, FL

  • Issue invoice

  • 99.99% Uptime

  • Essential reporting

  • Payment links

  • Custom taxing

  • Multiple workspace

  • Manage user access

  • API solution

  • Hosted payment page

  • Comprehensive stats

Frequently asked questions

How can I migrate to ChaChing without disrupting my current subscriptions?

Do I need to change my payment processor?

How are taxes handled?

Can I create invoices?

Does ChaChing support a custom payment page?

What about revenue recognition?

How can I migrate to ChaChing without disrupting my current subscriptions?

Do I need to change my payment processor?

How are taxes handled?

Can I create invoices?

Does ChaChing support a custom payment page?

What about revenue recognition?

Features

Migration

Pricing

Why ChaChing

Get Early Access

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