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Top Rated Billing and Invoicing Software with Api - Page 18

Last updated: September 2026

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644 software options

Zoho Inventory logo

Order and inventory management for growing businesses

Zoho Inventory streamlines operations for businesses, enabling them to manage their inventory, sales & purchase orders and shipments more effectively.

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Serrala Suite logo

Serrala – automate finance without limits!

Serrala is a global finance automation company that creates more secure payment capabilities for organizations worldwide. We offer comprehensive order to cash, procure to pay, payments, treasury, and cash management solutions for multi-ERP and SAP-embedded deployments.

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Twikey logo

Billing and Invoicing Solution

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

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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pVerify logo

Patient eligibility verification for healthcare providers.

pVerify is a cloud-based solution that helps healthcare organizations verify patient insurance eligibility on a centralized interface. The platform includes APIs and eligibility benefits verification that helps medical professionals verify prior authorization, claims status, and more. pVerify also offers batch eligibility solutions for medical, dental, and vision providers. Key features include real-time APIs, parsed benefits, EMR/PM integration, custom business rules, and more.

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Unanet ERP AE logo

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

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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Partial.ly logo

Payment plan platform for flexible installments

Add automated payment plans to any invoice, cart, or checkout. No lender, no credit checks — so you stay in control and keep the customer relationship.

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QuickBooks Money logo

Mobile credit card processor for vendors

QuickBooks Money is a payment management and mobile payment gateway allowing vendors to process credit card transactions via mobile application. The payment platform uses a credit card reader plugin enabling users to process payments and request customer electronic signatures via a touch screen.

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Axonaut logo

All-in-one business management for small teams.

Create, send, and track professional invoices and quotes. Automate billing cycles and payment reminders to keep your cash flow healthy.

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Salesboom CRM Suite logo

Online CRM Software

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

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.

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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Stax logo

All-In-One Payment Processing Platform

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

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Rev.io Billing logo

Sophisticated Billing and Customer Management Solutions

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

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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Workday Financial Management logo

A fresh approach to financial management.

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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Heartland Payments+ logo

Payment processing software for hospitality sector

Heartland Payment Processing is a cloud-based solution that helps businesses in hospitality, medical, government and other sectors accept in-person and online payments via flexible methods, including credit or debit,EMV chip cards, digital wallets and more.

Read more about Heartland Payments+

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Priority Software logo

ERP Should Be Easier

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

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1CRM logo

Doing Business, Better

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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Billhighway logo

Got Chapters? Billhighway is a Chapter Management Solution.

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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Oracle Fusion Cloud ERP logo

Cloud-based ERP suite of business solutions

Oracle Fusion Cloud ERP is a suite of solutions designed to help mid to enterprise-level businesses handle various administrative processes related to risk management, supply chain, procurement, project management, and more.

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Billit logo

Online invoicing platform for businesses and accountants

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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QuickBooks Online Advanced logo

Accounting & business management for small businesses

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

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Psyquel logo

Mental health billing and EMR for healthcare providers

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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Apptricity Travel and Expense logo

Travel and expense management software

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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