developer friendly billing software - AI tools

Flexprice is an open-source platform empowering developers to implement usage-based, credit-based, or hybrid pricing models by handling metering, pricing, and invoicing seamlessly.

• Contact for Pricing

Billsby is a customizable and easy-to-integrate subscription billing software that simplifies revenue operations for businesses worldwide with advanced features like multiple payment gateways, tax compliance, and developer-friendly APIs.

• Freemium
• From 45$

Invoicera is a comprehensive automated billing and invoicing platform that streamlines financial management, client relationships, and business operations for companies of all sizes.

• Freemium
• From 4$

UniBee is an open-source subscription billing and payment management platform that helps SaaS businesses optimize their finances through automated billing, multiple payment gateway support, and AI-powered analytics.

• Freemium

OpenMeter offers scalable, real-time usage metering designed for developers to implement usage-based billing quickly and gain revenue insights.

• Freemium
• From 349$

Billy automates business finances by providing tools for invoicing, expense tracking, and financial reporting, helping entrepreneurs manage their operations efficiently.

• Freemium

BillingBee is an AI-powered cloud-based invoicing solution designed for freelancers and small businesses, enabling effortless invoice creation, automated payment reminders, and streamlined financial management.

• Freemium
• From 5$

ReBilling streamlines invoicing and recurring billing, empowering freelancers and companies to automate payment processes, manage clients, and receive payments faster through a user-friendly cloud platform.

• Freemium
• From 2$

G7Bill is a robust online accounting, user management, and billing solution designed for small and medium enterprises, offering automated invoicing, payment processing, and integrated support tools.

• Paid
• From 2$

Bunny is an AI-driven billing and revenue operations platform designed for B2B SaaS, integrating quoting, invoicing, analytics, revenue recognition, and more into a single, easy-to-use solution.

• Freemium

Easy Billings provides a fast and user-friendly platform for freelancers and small businesses to generate invoices and quotations in multiple currencies—no signup required.

• Freemium