Best AP Automation Software

Compare the Top AP Automation Software as of November 2025

What is AP Automation Software?

AP automation software is a useful tool for businesses, streamlining payment processing and employee reimbursements. By automating the processes of invoicing, approval, and payment tracking, it can significantly reduce errors associated with manual data entry. The software has intuitive user interfaces that make it easy to set up and use, and customizable reporting allows users to track payments efficiently. With AP automation software, businesses can save time by simplifying the accounts payable process while improving accuracy. Compare and read user reviews of the best AP Automation software currently available using the table below. This list is updated regularly.

  • 1
    onPhase

    onPhase

    onPhase

    Alleviate the burden of repetitive tasks and length invoice approvals with accounting automation that allows you to capture, approve, and pay all while seamlessly integrating with your ERP.
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  • 2
    Square 9

    Square 9

    Square 9

    Paper-based work is a soul-crushing, profit-sapping drag on individual, team, and company productivity. Paper literally smothers innovation, creating a competitive disadvantage. The Square 9 AI-powered intelligent information processing platform takes the paper out of work and makes it easier to get things done with digital workflows that automate many aspects of how you work today. We make it easy by extracting information from scans or PDFs, storing documents in a searchable archive, and building digital twins of your current processes through graphical workflows. Let’s end the challenge of lost or misplaced invoices, approval bottlenecks, and tedious data entry into multiple systems. Now, you can capture and extract key data from your documents through Artificial Intelligence, eliminate data entry, access documents in the office or from home, streamline your three-way matching process, and automate invoice approval routing.
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    Starting Price: $50/month/user
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  • 3
    Rossum

    Rossum

    Rossum

    Rossum is an AI-based cloud document gateway for automated business communication. Rossum solves four key steps in document-based processes at once: receiving documents across multiple channels, automated understanding, two-way communication to resolve exceptions, and acting on the data using in-depth integrations. In typical real-world scenarios, Rossum’s proprietary AI engine outranks narrow data extraction solutions in accuracy. Meanwhile, Rossum’s platform automates the document-based communication process end-to-end. Rossum’s goal for every use case is at minimum a 90% document processing speed increase. Trusted by: Pepsico, Veolia, Siemens, Cushman & Wakefield, and other companies that prefer to build rather than type.
  • 4
    E42 AI Accounts Payable Automation
    From effortlessly managing a deluge of invoices across various channels including email, vendor portals, chats, and more to seamlessly integrating with all finance ERPs including Oracle NetSuite, SAP, QuickBooks, etc., Neil handles the entire AP process without human intervention. This means AP teams get to focus on strategic initiatives while most of the day-to-day AP tasks are performed automatically by Neil with accuracy more than 85%. Going beyond the traditional RPA and OCR-based automation, Neil leverages advanced ICR, AI-powered workflows, and real-time vendor communication to ensure accurate data extraction, efficient processing, and timely payments—resulting in happier vendors and better discount opportunities for the enterprise. With Neil on your team, achieve remarkable 90% straight-through processing (STP) rates, eliminate human errors, and optimize vendor relationships like never before.
    Starting Price: $0
  • 5
    Nanonets

    Nanonets

    Nanonets

    Nanonets enables self-service artificial intelligence by simplifying adoption. Easily build machine learning models with minimal training data or knowledge of machine learning. At Nanonets, we serve up the most accurate models. Always.
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