Fintech & Enterprise

Own Your Billing Infrastructure with Enterprise-Grade Control

Deploy on your own infrastructure. Enforce role-based access, immutable audit logs, and compliance controls. Extend every layer with a proven plugin architecture.
Trusted by companies processing billions in revenue
Capabilities

What You Can Do

Security, compliance, extensibility, and operational control for regulated industries and large organizations.
Role-Based Access Control
Define granular permissions for billing operations. Control who can create subscriptions, issue refunds, modify catalogs, and access sensitive financial data.
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Immutable Audit Logs
Every API call, state change, and administrative action is logged in an immutable audit trail. These records provide the traceability enterprises need to support SOX, PCI, and internal audit requirements.
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Self-Hosted Deployment
Run Kill Bill in your own cloud, data center, or air-gapped environment. Full control over data residency, network security, and infrastructure compliance.
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Plugin Architecture for Any Workflow
Extend Kill Bill with custom plugins for payments, notifications, analytics, tax, and business logic. Integrate with your ERP, CRM, data warehouse, or any internal system.
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Horizontal Scalability
Kill Bill's stateless architecture scales horizontally. Add application nodes behind a load balancer to handle millions of accounts and billions in transaction volume.
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How It Works

Three Steps to Enterprise Billing

1
Deploy on Your Infrastructure
Install Kill Bill in your cloud or data center. Configure RBAC, network policies, and data residency rules to meet your compliance requirements.
2
Integrate Your Systems
Connect Kill Bill to your ERP, CRM, data warehouse, and payment processors using the plugin framework and comprehensive REST API.
3
Scale with Confidence
Add nodes as volume grows. Monitor system health with the Aviate Health Dashboard. Audit every operation with immutable logs.
Why Kill Bill

Why Enterprise and Fintech Teams Choose Kill Bill

  • Full data sovereignty. Run on your infrastructure. No billing data leaves your environment unless you choose to send it.
  • Audit and compliance ready. Immutable audit logs, RBAC, and full API traceability provide the technical foundation for SOX, PCI, and regulatory compliance—proven across years of enterprise deployments.
  • Infinite extensibility. Plugin architecture lets you integrate any payment processor, ERP, notification system, or internal tool.
  • No vendor dependency. Open-source under Apache 2.0. Your team controls the roadmap, not a vendor's product team.
  • Enterprise-grade resilience. Horizontally scalable with built-in HA support and health monitoring.
  • Predictable costs. No per-transaction fees. Costs stay flat regardless of revenue volume.
Proven in Production

Trusted by Enterprise and Fintech

Kill Bill is the billing backbone for some of the most demanding organizations in fintech, telecommunications, and enterprise software.
Iovation / TransUnion
Global identity and fraud analytics company using Kill Bill for enterprise subscription billing with strict security and compliance requirements.
Enterprise Media Company
Deployed Kill Bill on private infrastructure to meet data residency requirements while billing millions of subscribers across multiple markets.
Fintech Payments Platform
Uses Kill Bill's plugin framework to integrate with proprietary payment rails and regulatory reporting systems for PCI-compliant billing.
FAQ

Common Questions

Can Kill Bill be deployed in an air-gapped or private cloud environment?
Yes. Kill Bill is a self-hosted Java application. You can deploy it in any environment: AWS, Azure, GCP, on-premises data centers, or air-gapped networks. You maintain full control over data residency and network security.
How does RBAC work in Kill Bill?
Kill Bill supports role-based access control at the API level. You define roles with specific permissions (for example, "billing-admin" can modify subscriptions but "billing-viewer" can only read). Each API request is authenticated and authorized against these roles.
What audit and compliance features does Kill Bill provide?
Kill Bill maintains immutable audit logs for every API call and state change. Each record includes the user, timestamp, change type, and before/after state. Enterprises have relied on these capabilities for years to support SOX compliance, PCI requirements, and internal audit processes.
How extensible is Kill Bill's plugin framework?
Kill Bill's plugin framework supports Java and Ruby plugins across multiple extension points: payment processing, invoice generation, entitlement, notifications, analytics, and more. You can intercept and modify any billing workflow to match your business requirements.
Is there enterprise support available?
Yes. Kill Bill offers enterprise support and the Aviate suite of premium plugins through a commercial offering. This includes tiered support plans, premium plugins (metering, wallet, tax, catalog, health), and professional services for deployment and migration.
Can Kill Bill integrate with our ERP and CRM?
Yes. Kill Bill's comprehensive REST API and plugin framework enable integration with any system. Companies have built integrations with NetSuite, Salesforce, SAP, Oracle, and custom internal tools. Event notifications can be pushed to any webhook endpoint.
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Ready to Own Your
Billing Infrastructure?

Explore the enterprise sandbox, read the docs, or talk to the Kill Bill team.