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Top Rated Billing and Invoicing Software with Api - Page 11

Last updated: June 2026

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612 software options

AirQuote logo

AI-powered invoicing and job management for tradespeople

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AirQuote is an AI-powered quote and invoice generator designed for tradespeople including plumbers, electricians, builders, and contractors. The software allows users to describe jobs in plain English, after which the AI automatically generates line items, materials, and labor costs. It converts accepted quotes to tax invoices, tracks outstanding and paid invoices, and produces professional PDF documents with itemized breakdowns of materials and labor.

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Karlia logo

French-language customer relationship management software

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Karlia is a cloud-based customer relationship management (CRM) software designed to help businesses handle various administrative processes such as prospecting, accounting, invoicing, project management, suppliers' communications, purchasing, and more.

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HelpMaster logo

Helpdesk, service desk and customer support software

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HelpMaster is used for helpdesk, service desk, IT service management and ITIL-based tech-shops. CRM, ticketing, web self-service, email to ticket conversion, asset management and workflow to help you streamline your customer support operations.

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Rubicon ERP logo

Your Vision, Our Passion.

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An all-encompassing ERP platform tailored for distributors and manufacturers, offering seamless integration from start to finish. Designed with user convenience in mind, this system is intuitive and easy to navigate.

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Scopevisio logo

Simplify your daily business with Scopevisio.

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Scopevisio is the cloud-based business software that automates commercial processes, aligns your company more profitably and thus makes it fit for the digital future.

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Bilflo logo

Back Office management solution for staffing agencies

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Biflo automates your back-office processes and generates business intelligence for staffing agencies to manage the performance and profitability of a business.

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Dendreo logo

Softwre for managing training operations

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Dendreo is a cloud-based solution destined to help training centers manage their operations.

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ClicFacture logo

Quick and easy invoicing!

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ClicFacture is an online invoicing software for small businesses. With ClicFacture, save time to focus on the essentials: your job!

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Unbox ERP logo

The lead solution in Training, Consulting and 24/7 Support.

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Unbox ERR & CRM Solutions is a cloud based service helping to streamline all aspects of your business including Invoicing, Inventory Management, Project Management, Third-party management with over 20 modules available. See customer trends and patterns within one centralized platform.

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teamspace logo

All-in-one business software for service providers

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Small and medium-sized service providers use teamspace to digitize their business processes. It offers a CRM system, time tracking, project management, offer-to-cash, finance, personnel and HR features, an issue-tracking system, and many teamwork tools such as chat, forum, and wiki.

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Visma Severa logo

PSA software combining CRM, project management and invoicing

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With Visma Severe Project Management software you can handle individual projects. Be it sales or billing or even your entire project portfolio. Visma Severa’s PSA software adapts perfectly to your existing workflow to provides the information you need with integrated CRM, project management, resourcing, time tracking and invoicing. Available to the software are industry standard compatibilities with third-party systems and customization services.

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RevCent logo

Subscription billing, trial offers and usage based billing

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RevCent is a cloud-based platform designed to manage products, transactions, subscription billing, usage based billing, shipping, and more. It enables professionals to filter and view the customer database and filter by specific campaigns, date range, status, products, metadata, and AdWords.

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Paycosmos logo

Payment processing software for digital transactions

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paycosmos is a payment processing software designed to help businesses manage digital transactions in compliance with payment card industry (PCI) standards. Using the instant merchant settlement (IMS) module, customers can process payments via virtual and point-of-sale (POS) terminals.

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Sage One logo

Helps small businesses manage billing.

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Sage One is an online invoicing program that is simple, fast and easy to use. Sage One allows you to issue invoices with QR codes and ATCUD codes. It helps you track expenses and monitor customers. The software also offers invoice templates, expense tracking, customer management, and integrations with ecommerce platforms.

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SmartPOS logo

Point of Sale (POS) system for retailers

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SmartPOS is a cloud-based and on-premise point of sale (POS) solution designed to help retailers, pharmacies, and textile businesses of all sizes manage sales orders, customers, and back-office operations. Key features include stock control, contact management, auditing, and multi-payment modes.

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OS/ logo

Cloud-based project accounting software for businesses

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OS/ is a cloud-based project accounting software designed for agencies, productions, and studios that helps manage finances, generate quotes, control projects, and more.

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Software Semplice logo

Cloud invoicing for SDI-compliant businesses

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Software Semplice is a cloud-based billing and electronic invoicing solution for Italian freelancers and small businesses, designed to manage SDI-compliant invoices, quotes and reminders with ease.

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Emersion logo

Business automation software for managing billing & payments

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Emersion is a business automation software designed to help businesses streamline billing, customer engagement, and payment processing operations via a unified platform. The application allows employees to automate recurring tasks, configure workflows, and display billing history and company logos on invoices.

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Good Sign logo

Revenue monetization & management software

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Good Sign is a cloud-based revenue monetization solution for companies of all sizes. It offers users an effective billing system and more than one type of pricing structure.

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Signulu logo

Cloud-based electronic signature solution.

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Signulu is a cloud-based electronic signature solution that helps businesses streamline the process of signing documents and contracts on a centralized interface. The platform provides identity verification capabilities using artificial intelligence (AI) so users can ensure the authenticity of the signer and prevent any potential fraud. Signulu also offers document storage options, audit trails, and custom workflow options.

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NG Billing by Objective logo

Brazilian CRM & Billing Solution

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NG Billing is a Brazilian CRM & Billing solution that favors the growth of the recurring billing operation, with greater process automation, governance and compliance.

The multi-currency solution integrates with several ERPs, different payment gateways and financial institutions.

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BizMaster logo

Computer repair shop

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BizMaster is a SaaS application that helps repair businesses manage their store and employees. It has features including job management, repairing status tracking, billing & accounting and online Service booking website.

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SMART Suite logo

An Embedded Payment Portal Like No Other.

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SMART Suite powered by Transcard offers an all-in-one payment processing solution. With SMART Suite, businesses can manage insights, process payments, and onboard all in one place.

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PDF Xpansion SDK logo

Tools for implementing PDF, PDF/A & eInvoicing functionality

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The PDF Xpansion SDK is a set of developer tools for implementing PDF, PDF/A & eInvoicing functionality into applications.

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Qive logo

Financial and tax management for companies!

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Financial and tax management for companies. Arquivei captures and monitor tax documents, integrating to ERPs to assure tax precision and compliance. It connects supply departments to payments, taxes, data analysis and task automation, eliminating errors and reducing costs.

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