Kill Bill
8.3#1 in subscription billing softwareFrom $9,999 a monthFree planWebAPILinuxmacOS
VisitKill Bill vs Paymenter
What both publish
| Fact | Kill Bill | Paymenter |
|---|---|---|
| License | The core Kill Bill project is released under the Apache 2.0 license. | The project is released under the MIT License. |
| Product | Kill Bill is an open-source, programmable billing platform with APIs for pricing models, subscriptions, invoices, and payment gateway integrations. | Paymenter is an open-source billing platform tailored for hosting companies. |
| Public API | Kill Bill exposes REST and JSON over HTTP under /1.0/kb/ for tenants, catalogs, accounts, subscriptions, usage, invoices, payments, tags, custom fields and audit logs. | Paymenter publishes a REST API with endpoints for resources including users, products, orders, services, invoices, tickets, credits, and affiliates. |
| Security | The overview describes encryption at rest and in transit, TLS communications, AES-256 stored-data encryption, audit logs, role-based access controls, and multi-tenant isolation. | The installation guide says the APP_KEY encrypts data such as user passwords and warns that losing it makes encrypted data irrecoverable. |
| Self-hosting | Kill Bill runs on premises, in a private data center or in a customer's cloud account, with billing data kept in the customer's database. | Paymenter can be installed on a self-managed server, and its installation guide lists supported Linux distributions and versions. |
Kill Bill plans
- Kill Bill open sourceFree
- Self-Hosted Open SourceFree
- Aviate$9,999 a month
- AWS Marketplace—
- Hosted Platform (ChaChing)Priced on request
Paymenter plans
- PaymenterFree
- PaaS€5 a month
- Paymenter PaaS€5 a month
Pick Kill Bill if…
Kill Bill may suit online businesses and teams that need customizable subscription or usage-based billing. It is also described for startups and growth-stage companies, particularly those prepared to operate a self-hosted deployment.
Pick Paymenter if…
Paymenter is aimed at hosting companies that need billing, service deployment and customer support tools. It may suit teams choosing between a free self-hosted installation and a hosted PaaS option.