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Billing and Invoicing Software with API (2026) - Page 5

Last updated: April 2026

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600 software options

OneDeck logo

Business management platform

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Smart, intelligent and automated platform for all your business management needs

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AccountSight logo

Time tracking & billing software for professional services

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AccountSight is a time tracking & billing software suite for professional services companies with features for forecasting, planning, scheduling, & more

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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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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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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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Elorus logo

Cloud Invoicing & Time Tracking for modern professionals

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Discover a super-easy online invoicing & billing software that helps you focus on making your professional mark in the business world. Start with our lifelong free plan!

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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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Maestro Payment logo

Automated payments solution

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Maestro Payment is an easy to use, centralized, automated payments software for managing and paying contractors and freelancers globally. It saves 80% of payment processing time with powerful AP automation and reduces domestic and international wiring fees by 50-90% with its one-click payments module. Maestro Payment also prevents errors and financial loss using advanced AI and machine learning error detection.

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Lightyear logo

Intelligent Purchasing & AP Automation Platform

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Lightyear is an intelligent purchasing & accounts payables automation solution that assist finance teams with automating approvals across different workflows using advanced data extraction, rule-based automation, customizable workflows, and built-in collaboration tools.

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Datamolino logo

Data capture software for invoices, bills and receipts

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Save time on purchase bill processing! Datamolino automatically captures data from your invoices, bills & receipts and sends it straight to Xero or QuickBooks.

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Initiative CRM logo

CRM for B2B companies

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Initiative CRM is a CRM for B2B that includes shared agenda, opportunity tracking, quotes, invoices, complaints in one tool.

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Hiveage logo

Online invoicing & billing software for small businesses

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Hiveage helps small businesses and freelancers to send invoices & estimates, accept online payments, track time & expenses, and charge subscriptions. Manage multiple businesses and teams with different levels of access with a single account.

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SimpleVMS logo

Cloud-based software for managng vendors

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SimpleVMS is a cloud-based vendor management software specifically created to find the best candidates and reduce cost as well as administrative burdens.

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QT9 ERP logo

Cloud or on-premise enterprise resource planning software

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Billing & Invoicing software made easy. Automate the processes of producing & sending invoices & receiving payments with an easy-to-use cloud-based platform. Connect billing & invoicing to Quoting & Sales Management with email alerts, PO matching & FDA 21 CFR Part 11 compliant electronic approvals.

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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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Payaca logo

Simple, yet powerful, CRM solutions.

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A CRM solution for ambitious field service businesses. With a focus on simplicity and efficiency, we empower businesses to streamline operations, build strong customer relationships, and fuel growth. Developed by software experts, Payaca is designed for adaptability and continuous improvement.

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zistemo logo

Manage Project Track Time More Clarity

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Zistemo is the smartest invoicing software designed for freelancers and small businesses. Forget excel or word templates. Join us today for free to start sending professional looking invoices. Track time and rule expenses like a pro. Our online invoice software makes billing hassle-free.

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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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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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Ambivo logo

Cloud-based customer relationship management software

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Designed for small businesses, Ambivo is a SaaS platform that streamlines processes such as lead capture, pipeline management, and workflow automation on a unified dashboard.

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Refrens logo

Business operating system sales, accounting, and inventory.

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Refrens is a business operating system that helps you with invoicing, accounting, bookkeeping, sales, inventory, client & vendor management, and other day-to-day business operations.

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Rippling logo

Workforce management across HR, finance, and IT. 

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Rippling Spend: Consolidate your business’s corp cards, bill pay, travel and expense management, into one modern system with built-in approvals, custom policies, and automatic reconciliation.

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Paycepaid logo

Debt Collection Software for Customer Centric Businesses

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Paycepaid is ideal for businesses that operate on credit terms and want to give their customers options to pay.

A solution that scales with your business as you grow from medium to enterprise!

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