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Top Rated Billing and Invoicing Software with Api - Page 5

Last updated: June 2026

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612 software options

INFast logo

For entrepreneurs who manage their own invoicing

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INFast is a cloud-based software designed to help businesses generate invoices, create financial documents and streamline other accounting processes.

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Axelor logo

Cloud-based ERP solution for small to midsize businesses

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Axelor is an open source ERP, CRM, and BPM platform powered by AI and Low Code. Modular and customizable, it combines business apps, workflows, analytics, portals, and 1,500+ connectors to help organizations build flexible, intelligent, and scalable management systems.

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Assembly logo

The new standard for modern service businesses.

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Create remarkable client experiences. CRM, portal, payments, tasks, contracts & more — with an AI Assistant that works for you.

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Biller Genie logo

Automated. Integrated. Simplified.

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Biller Genie seamlessly connects to your accounting software and automatically sends invoices, reminders and past due notifications via email & paper mail. Your customers can pay invoices online via credit card, ACH or Apple Pay and payments are automatically closed in your accounting software.

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Orcatec logo

Cloud-based field service management software

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Orcatec is a cloud-based field service management software designed to help businesses handle and streamline various administrative processes, such as dispatching, employee management, and more. Supervisors can schedule appointments on a calendar and color-code them according to requirements.

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Mekari Jurnal logo

Growth Made Easy

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Mekari Jurnal streamlines finance & operations with integrated reporting, inventory, and production management to drive business growth.

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Blink Payment logo

Payment management platform

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Blink is an online payments platform designed to improve the way a business can accept and manage their incoming payments. Payments, including cards, open banking, and direct debit, can all be accepted and managed from one place.

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DealHub logo

Agentic Quote-to-Revenue platform for enterprises

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DealHub is the unified Agentic Quote-to-Revenue (Q2R) platform built for complex, modern GTM motions. The platform empowers high-growth SaaS and forward-thinking enterprises to automate and accelerate their entire revenue lifecycle.

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BigTime logo

AI-powered scoping, project, time, and billing software

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BigTime helps reduce operational costs, align talent to projects, accelerate payments, and enable decision-making. With 20+ years of experience, BigTime can get you up and running quickly, operate with flexibility and agility, and enable you to solve today’s challenges and scale with you tomorrow.

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Zigaflow logo

Make running & growing your business easier

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Zigaflow simplifies business management, offering automation, customization, and integration. Designed for diverse needs, it enhances efficiency, security, and growth across all operations.

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Fortis logo

Embedded payments and invoicing for B2B workflows

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Fortis is a payment processing and invoicing solution that helps businesses receive payments, monitor transactions, capture eSignatures, send payment requests, and more on a centralized platform. It enables team members to create one-time and recurring invoices in compliance with PCI-DSS guidelines.

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Kefron AP - Accounts Payable logo

Processing 500+ invoices a month? Automate with Kefron AP

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Effortless invoice automation designed to transform AP teams from a 30+ day approvals process to a proactive, efficient process in 2 days

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Insly logo

A full-cycle low-code insurance software solution.

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Client billing and reconciling with your insurance carriers.

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MotorDesk logo

Dealer management software for independent dealers

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All-in-one car dealer management software for stock, sales, websites, customer communication, invoicing and accounting integration.

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FACTUSOL logo

Cloud-based billing and invoicing solution.

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FACTUSOL is a cloud-based billing and invoicing solution that helps businesses manage digital invoices and inventory on a centralized interface. It allows users to manage the complete sales cycle including quotes, orders, delivery notes, and invoices. FACTUSOL also provides control over accounts receivable, allowing users to track pending payments, settle commissions with agents, and set up payment reminders.

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Blinksale logo

The easiest way to invoice online

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Blinksale is a cloud-based app that helps everyone who needs to invoice clients for services or products sold. Blinksale is an excellent choice for attorneys, accountants, designers, IT professionals, software developers, journalists, contractors, engineers, architects, videographers, and more.

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billbee logo

Cloud-based eCommerce solution for multichannel retailers

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Billbee is an intuitive order processing and inventory management solution that helps multichannel retailers, D2C-brands and Amazon FBA merchants utilize several interfaces to marketplaces, shops, payment, shipping. and fulfillment providers.

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PROMYS logo

Cloud-based CRM, Help Desk, and PSA software.

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Recurring billing, progress & milestone billing, automated invoice requests from tech's or PM's are all supported, as well as multi-currency.

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Finix logo

Payment processing solution for software platforms

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Finix offers payment processing configurations to help software platforms build payment experience for their customers.

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Zoho Workerly logo

Temporary staffing solution for agencies

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Zoho Workerly is a platform built for temporary staffing agencies to help streamline job scheduling processes. Recruiters can manage client and temporary workers databases, schedule jobs based on client requirements, generate timesheets, and send out invoices from within one interface.

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Jim2 Business Engine logo

Software For Life

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Jim2 Business Engine is a leading all-in-one ERP solution designed for stock-oriented businesses with 20+ employees. It integrates accounting, stock control, purchasing, and sales, enhancing efficiency and visibility. With cloud or on-premises deployment options and a mobile app.

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CSP Control Center logo

Pure-play CSP Billing Automation

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CSP Control Center is a Microsoft CSP management platform for billing automation, margin tracking, renewal management, and real-time analytics. It helps CSP partners streamline operations, improve efficiency, and maximize profitability across multiple tenants.

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LawnPro logo

Lawn care software for managing administrative operations

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LawnPro is a cloud-based lawn care software that helps businesses manage administrative operations and communicate with customers, crew members, and employees via text messages. It lets users handle multiple properties, print invoices, and receive online payments from customers via credit cards.

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IntegriBill logo

Helps start-ups and established providers "get it right."

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IntegriBill is an accurate, affordable, feature-rich billing and customer care software for Telcos and MSPs. It benefits customers with affordable conversions, low monthly minimums, exceptional customer support, and nominal setup costs.

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Dinvy logo

Simple, clutter-free time tracking and billing software.

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Dinvy Ascent is FREE time and billing software without limitations. Easily turn your hours into T&M or Fixed Fee invoices. Keep tabs on project budget, estimated hours, profit and margin with advanced dashboards. Plus enjoy unlimited data, open API, webhooks and auditing capabilities.

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