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Top Rated Billing and Invoicing Software with Api - Page 18

Last updated: June 2026

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612 software options

Twikey logo

Billing and Invoicing Solution

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Twikey automates internal payment processes, so companies can collect invoices faster and create more customer payment convenience with Legal e-Mandates and a customizable payment follow-up system.

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OOTI logo

Enterprise project management software for architects

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OOTI is an enterprise project management software designed to help architecture firms of any size manage projects & resources, as well as track budgets & finances with a range of tools, including budget, invoice & payment management, plus project scheduling, time reports, file sharing, & more

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Gofrugal logo

ERP solutions for retail, restaurants & distribution

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GOFRUGAL offers retail, restaurant, distribution and Enterprise businesses a range of ERP and Point of Sale (POS) solutions suitable for multiple trades, with a cloud-based option boasting multi-store management, inventory control, purchase automation, BI reporting & data syncing for offline access

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Billdu logo

Billdu - fast and simple invoicing app for small businesses

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Billdu is an invoice maker for small businesses and freelancers which enables users to create and send invoices, track expenses, manage online stores, and more.

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Intervals logo

Time tracking, task management, & project management.

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Discover a better way to track your time and manage your task with Intervals. More than simple time tracking, less than enterprise complexity. Deliberately in the middle with features that are ideal for small businesses.

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Unanet ERP AE logo

Project-based ERP for mid-to-large size AE firms

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Unanet A/E, powered by Clearview, is purpose-built ERP for architecture and engineering firms and offers a powerful combination of Project Management, Business Intelligence, Time and Expense Tracking, Financials, Integrations, and CRM tools in one single source to run your business more effectively.

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QuickBooks Online Advanced logo

Accounting & business management for small businesses

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Automate billing and invoicing with customizable templates, batch processing, and real-time payment tracking for efficient operations.

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Salesboom CRM Suite logo

Online CRM Software

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Salesboom CRM is an online CRM and customer retention software designed to manage your customer base and identify up-selling opportunities. Established in 2003, the Salesboom CRM system has been helping enterprises of all sizes coordinate their customer relationship management and cross/up-selling strategies as well as providing online training courses and support.

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Vendx logo

Procurement Processing Tool

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VENDX is a procurement processing tool that enables quick decision-making through the reduction of transaction backlog.

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Emburse Expense Enterprise logo

Cloud-based solution for expense management.

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Chrome River Expense is a cloud-based export reporting solution, which helps small to large businesses in finance, technology, healthcare, and other sectors create, submit, or approve expenses on any device. It allows users to control costs with automated, real-time spend policy compliance monitoring and approval routing. Chrome River Expense offers various features such as receipt management, OCR (optical character recognition) technology, budgeting, forecasting, and reporting.

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Rev.io Billing logo

Sophisticated Billing and Customer Management Solutions

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Rev.io delivers agile billing and a powerful customer management system to scale with your growing business.

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Aqilla logo

Cloud Accounting Software for Business

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A consistent approach to document tracking from invoice through to payment, credit checking, clear and flexible aged debtor reporting and many more.

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Priority Software logo

ERP Should Be Easier

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Billing and sales management made easy, including remittance, payee payment status communication, payment reconciliation and more

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Bind ERP logo

Bind ERP: Simplifica tu negocio, crece sin límites

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Bind ERP es un software todo-en-uno para pymes que optimiza las operaciones empresariales, desde ventas hasta contabilidad. Con acceso en la nube y conexión directa con CONTPAQi Contabilidad, Bind ERP simplifica la administración del negocio, eliminando errores manuales y aumentando la eficiencia.

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1CRM logo

Doing Business, Better

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Use 1CRM to create custom quotes & invoices to match your branding, set up recurring invoices, and track bills, payments & expense reports.

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Billit logo

Online invoicing platform for businesses and accountants

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Billit is an e-platform that provides businesses with financial management tools. Key features include invoicing, making payments, and cost tracking. Documents can be digitized, and the platform supports integration with other solutions, such as customer relationship management software.

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Workday Financial Management logo

A fresh approach to financial management.

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Workday Financial Management is a web-based accounting and planning software that helps with strategic financial decisions and predictable customer outcomes. It manages the sales and revenue portfolio and allows a completely transparent sales management experience both in the office and on the road.

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Billhighway logo

Got Chapters? Billhighway is a Chapter Management Solution.

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Billhighway increases visibility to chapter financial data. We understand tying dollars to member activity & engagement is critical to making a case to provide best-in-class member experiences. If you have chapters, full visibility into your association’s chapter finances shouldn't be complicated.

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myBillBook logo

Cloud-based billing & accounting management software

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myBillBook is a GST billing and accounting software designed for small businesses to simplify their billing & management. Offering customized invoicing, e-invoicing, and expense tracking, it supports inventory management, purchase recording, and payment reminders.

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Apptricity Travel and Expense logo

Travel and expense management software

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Apptricity Travel and Expense Management helps businesses automate entering, reviewing, authorizing, approving, and auditing processes across expenses. It provides a single source of real-time data that ensures compliance with federal, state, and local regulations.

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Psyquel logo

Mental health billing and EMR for healthcare providers

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Psyquel is a cloud-based mental health billing solution which enables mental health providers to manage records and schedule appointments. Key features include employee management, a self-service portal, compliance, claims management, and predefined templates.

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Financial Management Cloud logo

Certinia ERP Cloud

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Streamline, simplify, and automate your financial management on the Salesforece platform. Our customer centric ERP Cloud software gives you a flexible general ledger, automated billing processes, and brilliant intelligence all in one place.

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Sage 200 logo

Business management solution for businesses of all sizes

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Sage 200 is a scalable management solution that lets you manage every part of your business effortlessly from sales to accounting. This all-in-one business management software offers seamless integration with Microsoft 365, real-time insights, and automated features to streamline your workflows and boost productivity.

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Vorex logo

Manage clients and projects on a single platform

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Vorex aims to simplify the conversation around PSA and online project management and capitalize on having developed an intuitive, easy-to-use solution.

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Stax logo

All-In-One Payment Processing Platform

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Stax delivers seamless payment processing and scalable embedded payment solutions to SMBs, ISVs, and SaaS businesses.

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