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About

Kill Bill has automated the world's most complex billing problems. Kill Bill has been the leading open-source billing and payment platform for the past 10 years. Organizations around the globe, from startups to public companies, trust Kill Bill to invoice billions every year. Scale your billing and payment infrastructure and grow your business. Access real-time analytics and financial reports. Control your business and client data and avoid vendor lock-in. Your customer’s data belongs to you. You’ll have real-time access to it with basic or custom reports. Test various billing models to see which is most profitable for your business. Run trials and easily accommodate even the briefest promotional discounts. Kill Bill is free and includes all of the basic billing and payment features. Even if you need to create your own customizations, Kill Bill is still a very affordable solution.

About

Upmind is an all‑in‑one business automation platform built specifically for subscription and service companies, combining client management, billing, and provisioning into a single, fast, scalable, and fully customizable interface. Every customer record, order, and interaction lives in one unified panel, where custom fields, smart filters, and built‑in workflows automate follow‑ups and reduce manual tasks. Automated billing handles invoicing, renewals, reminders, and global tax calculations with bespoke templates, so payments are collected on time without chasing clients. Service provisioning kicks in the moment an order is placed, activating, pausing, or renewing services through deep integrations that keep your billing and operations in sync. Upmind’s API‑first architecture exposes over 1,500 RESTful endpoints and webhooks, enabling developers to script custom automations, build bespoke interfaces, or connect third‑party tools effortlessly.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies seeking a solution to streamline billing, manage subscriptions, and collect payments

Audience

Subscription and service‑based businesses looking for a solution to automate client management, billing, provisioning and custom workflows

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$25 per month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Kill Bill
Founded: 2010
United States
killbill.io

Company Information

Upmind
Founded: 2018
United Kingdom
upmind.com

Alternatives

ChaChing

ChaChing

ChaChing.io

Alternatives

SpryBill

SpryBill

Kilmist Corporation

Categories

Categories

Billing and Invoicing Features

Billing Portal
Contact Database
Contingency Billing
Customer Portal
Customizable Invoices
Dunning Management
Hourly Billing
Invoice History
Mobile Payments
Multi-Currency
Online Invoicing
Online Payments
Payment Processing
Project Billing
Recurring/Subscription Billing
Service Ticket Billing
Tax Calculator

Recurring Billing Features

Customer Portal
Deferred Billing
Discount Management
Dunning Management
Invoice History
Multi-Currency
Multi-Period Recurring Billing
Payment Processing
Recurring Donations
Subscription Billing

Integrations

ConnectReseller
PayPal
Stripe

Integrations

ConnectReseller
PayPal
Stripe
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