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Billing and Invoicing Software with API (2026) - Page 21

Last updated: March 2026

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576 software options

ReveniQ logo

Revenue intelligence solution for SaaS businesses

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ReveniQ is a cloud-based solution that provides revenue analytics and financial management solutions tailored for SaaS businesses. Integrating invoicing, billing, and customer data into a unified platform helps users monitor churn risks, manage subscriptions, and generate insightful financial reports.

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Flowie logo

The ultimate Procurement and Finance Operations platform

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Flowie is a state-of-the-art Procurement and Finance Operations platform designed for mid-size and large businesses, streamlining P2P, O2C, and Cash Flow management. Offering global invoice handling in over 60 countries with full tax compliance, it integrates seamlessly with all your tools.

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Robaws logo

Cloud-ERP software for construction businesses, with App

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Robaws is a cloud-based ERP software for construction, fields services, and installation companies. It enables teams to manage quotes, jobs, time tracking, invoicing, stock, and scheduling - all in one unified platform, accessible via browser and mobile app.

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Cotiss logo

Best Practice Procurement. Simplified.

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Cotiss is an end-to-end procurement software that helps small and medium sized procurement teams manage supplier relationships, eSourcing, procurement planning, and more. The platform supports low-risk RFQs as well as complex multi-stage RFPs.

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Prommt logo

Cloud-based payment processing solution

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Prommt is a cloud-based processing software that allows businesses to request, collect, and track remote payments from their customers.

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Expodite logo

Empower Exports with Expodite's Cloud Solution.

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Expodite is a robust cloud-based order management platform tailored for exporters in India. It simplifies inventory, streamlines documentation, optimizes shipping, and enhances communication.

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Subskribe logo

Quote-to-revenue platform for SaaS businesses

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Subskribe is a configure price quote (CPQ), billing, and revenue recognition solution that helps B2B SaaS companies. It lets businesses streamline approvals, track revenue, and handle early renewals, cancelations, and restructures. Key features include sales analytics, cross-sell management, order-based invoicing, and multiple payment methods.

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Gustave logo

App for physiotherapists to manage appointments & billing

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Gustave is an application for physiotherapists to handle invoicing, unpaid bill monitoring, and appointment scheduling. It allows users to access the agenda and make appointments from a mobile, a PC, or a tablet. It also makes it possible to list unpaid bills.

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EviGest logo

Free cloud-based invoicing software

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EviGest stands out as the premier cloud-based invoicing software, combining unparalleled intuitiveness and flexibility, all at no cost. Effortlessly generate estimates and invoices with EviGest, simplifying the management of multiple warehouses and stock. This includes comprehensive tracking of product entries and exits, including batches and expiration dates.

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Kolmisoft M4 SBC logo

Telephony and VoIP software

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Kolmisoft M4 SBC is a VoIP solution that helps telecommunication service providers automate VoIP billing, routing, and invoicing processes. Key features include real-time billing for both prepaid and postpaid services, multicurrency support, VAT accounting, and comprehensive financial analysis tools.

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Kiwili logo

All-in-one software for managing accounting & project tasks

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Kiwili is an all-in-one business management platform that offers a range of features including accounting, project management, invoicing, estimates, time tracking, task organization, and much more. With Kiwili, businesses can streamline their operations and improve efficiency by managing various aspects of their business on a single platform. The platform provides detailed reports to help businesses analyze performance. Kiwili cam simplify team collaboration regardless of location.

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SiFactura logo

Electronic Invoicing and accounting solution

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Si Factura is an Electronic Invoicing and Accounting Software for companies.

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OZenie logo

Cloud-based invoicing solution

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ÕZénie offers a comprehensive suite of business management software designed for small and medium-sized enterprises in France. Healthcare professionals can streamline patient consent and record health assessments. Customer-facing businesses can implement loyalty programs, tipping, and appointment scheduling. Behind the scenes, advanced capabilities like data imports, pricing matrices, inventory control, accounting links, SMS messaging, and robust analytics provide deeper financial insights.

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RunSensible logo

Empower Your Law Firm & Simplify Your Practice with One Seam

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RunSensible simplifies legal management with features like time tracking, accounting tools, and case management. It's accessible on desktop and mobile, fosters collaboration, and streamlines processes for legal professionals. RunSensible also offers customizable templates and electronic bill payment

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Received logo

Automating B2B billing with precision

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Received offers automated solutions for invoicing, billing, and revenue management. Specifically designed for B2B contracts and hybrid pricing models, it provides subscription billing, enterprise contract billing, partner management, usage billing, revenue recognition, and integrations.

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TIC Systems logo

Streamline Inspections, Boost Efficiency

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Empower your oil and gas inspection company with our all-in-one management software. Simplify scheduling, reporting, and invoicing while ensuring regulatory compliance. Trusted by industry leaders, our solution optimises workflow and maximises productivity.

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Ordaana logo

Streamlining service businesses with ease.

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Ordaana is an all-in-one small business management software that aims to streamline operations for service-oriented businesses. It offers features like service orders, custom forms, team scheduling, SMS messaging, payments, and client portals. Ordaana seeks to simplify appointment scheduling, automate billing, and provide secure client portals for an enhanced service experience.

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Stann logo

Cloud-based business management software

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Designed for organizations of all sizes, Stann is a business management software that helps schedule appointments, plan recurring tasks, issue invoices, edit quotations, and more. It helps sales staff follow up with customers and prospects and enables technicians to report on work carried out during interventions.

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tebio logo

Cloud-based subscription management and billing solution

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tebio is a subscription management and billing platform with automated invoicing. It can be used from a user-friendly portal and via API.

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Digifactory logo

The application for your events !

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Digifactory is an all-in-one platform that combines various aspects of business management, including a comprehensive customer relationship management solution, email marketing tools, an omnichannel eCcommerce platform, a content management system, project management, and event planning. It offers a wide range of features to streamline operations for event organizers, marketing teams, sales teams, eCommerce businesses, and content managers.

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Affnook logo

Affiliate tracking platform for iGaming brands

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Affnook is an affiliate tracking solution for iGaming brands and operators that helps manage relationships with affiliates by providing custom tracking links and performance analytics.

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B33 logo

AI-powered accounts receivable automation platform

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B33 is an AI-powered accounts receivable automation platform designed for medium-sized businesses. Users can streamline their invoicing, optimize cash flow, and reduce billing time by up to 80%.

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Hallmaster logo

The UK's leading cloud-based booking and invoicing software

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Hallmaster is a cloud-based booking and reservation software designed for churchs, village halls, clubhouses, community centers, and venues. Hallmaster helps manage booking reservations, create invoices, tracks payment, generates report, intergrates with accounting software.

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UniBee logo

Cloud-based subscription billing management software

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UniBee is an open-source billing and payment management software that automates billing processes, manages subscriptions, and provides insightful analytics. The software supports a variety of payment gateways, including cryptocurrencies, and offers customizable billing models to fit the needs of SaaS businesses. UniBee's intuitive platform simplifies subscription renewal management and enables users to manage their global user base in a single system.

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Nue logo

Cloud-based revenue lifecycle management solution

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Nue is a Quote-to-Revenue Lifecycle Platform that enables B2B firms to unify their sales, RevOps, and billing without leaving Salesforce.

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