3-way PO matching

Go error-free with Rillion’s invoice matching software

With automated 3-way PO matching, Rillion matches invoices to POs and receipts in seconds. Your team spends less time verifying data because Rillion does it for them.
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Rillion is trusted by finance leaders at 30,000+ mid-sized and large organizations

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Key benefits

Improve accuracy and efficiency with Rillion’s invoice matching software

Cost savings

Avoid overspending, duplicate payments, and costly errors. Automated 3-way matching eliminates duplicate or fraudulent payments, so you only pay for what’s been delivered.

Unmatched accuracy

Rillion’s intelligent 3-way PO matching ensures accurate matches across multiple dimensions, including freight, quantity, items, and multiple POs — even when values don’t perfectly align.

Zero manual handling

Invoices that fully match the purchase order are directly forwarded to your ERP for a faster, more accurate process.

Features

Simplify PO matching at scale with intelligent invoice matching software

Automated 3-way PO matching

Rillion’s invoice matching automation system instantly compares invoices, purchase orders, and goods receipts, item by item and price by price. Fully matched invoices are approved automatically, saving hours of manual work and preventing costly errors.

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High-volume matching

Match hundreds of invoice lines in seconds with Rillion’s powerful automation. Even when your invoice volume increases, processing remains fast, accurate, and completely hands-free.

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Match multiple POs

Rillion lets you match one invoice to multiple purchase orders in a single flow. This ensures accuracy in cases where goods or services come from different orders.

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Custom tolerance levels

Define tolerance levels for price and quantity discrepancies based on your company’s rules. When something falls outside your set limits, Rillion automatically flags it and sends it to the right approver for review.

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Why finance teams choose Rillion for invoice matching automation

Rillion makes PO matching faster, more accurate, and completely hands-free, giving finance teams confidence, control, and more time to focus on higher-value work.

Increased efficiency for high volumes

Rillion’s invoice matching software can process hundreds of invoice lines in seconds, even when invoice volumes spike. This lets AP teams handle growth without adding extra staff or doing manual work.

Flexible and customizable matching

Rillion supports advanced matching rules for partial deliveries, split orders, and multiple POs. You can configure matching at the header or line-item level to fit your company’s specific workflow.

Smart exception handling

Rillion automatically flags mismatches in price, quantity, or delivery details based on your tolerance levels. It routes these exceptions — along with supporting documents — to the right approver for quick resolution.

Better financial control and compliance

By verifying every invoice against a PO before payment, Rillion prevents overspending, duplicate payments, and fraud. The system also maintains a time-stamped audit trail of every action taken on an invoice.

Faster payment cycles and improved vendor relationships

By speeding up invoice matching, Rillion helps your team pay vendors on time, capture early payment discounts, and build stronger relationships with suppliers.

Seamless ERP integration

Rillion connects with over 50 ERP systems, including Microsoft Dynamics, NetSuite, and SAP. This ensures consistent data flow from our invoice matching automation system to your ERP, and removes the need for manual data entry.

How it works

Inside Rillion’s intelligent 3-way PO matching process

Here’s how Rillion automatically matches invoices to purchase orders and receipts to save time and reduce errors.

Invoice intake and validation

Rillion captures invoices from multiple sources, such as PDFs, scanned documents, and e-invoices, and automatically validates key data fields. This ensures every invoice enters the system clean, structured, and ready for matching.

PO and goods receipt retrieval

Using the purchase order number on the invoice, Rillion retrieves the corresponding PO directly from your connected ERP or purchasing system. If you use 3-way PO matching, Rillion also retrieves the related goods receipt to confirm that the ordered items were delivered and verified.

Automatic matching

Rillion’s invoice matching software then compares invoice data against PO and goods receipt details line by line. It checks items, quantities, and prices automatically, marking invoices as fully matched when all the details align.

Tolerance and discrepancy checks

Rillion’s system also reviews every matched field against your company’s custom tolerance rules, which lets you define acceptable differences in price or quantity. Minor variations are approved automatically, while larger discrepancies are flagged and sent to the right person for review.

Exception routing and resolution

When discrepancies exceed tolerance limits, Rillion flags the invoice as an exception. It automatically routes it, along with all related documents, to the right approver for quick resolution.

Match completion and audit trail

Whether matched or flagged, Rillion records the transaction and stores all related documents in a searchable archive. This ensures full visibility, traceability, and easy access for audits or future reference.

ERP integrations

Connect your ERP to Rillion’s invoice matching software

Seamlessly sync invoice data with your ERP. Whether you use one or more ERPs, Rillion’s accounts payable automation integration connects with ease.
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Rillion’s 3-way PO invoice matching software by the numbers

30+

years of experience in AP automation

40M+

invoices processed in Rillion every year

95%

of our customers rate our support as very good or good

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Ready for the next step?

Simplify your AP workflow with Rillion’s invoice matching solution

Rillion’s invoice matching software automatically compares invoices, POs, and receipts, reducing manual checks and keeping your accounts payable process fast, accurate, and fully compliant.

Testimonials

What our customers say

“I had thought at that time we could expand our AP process improvement into the other areas of the company but what I didn’t expect was how soon our CFO took advantage of the technology that Rillion had to offer.”

Accounting Manager, USFarathane

"[With Rillion,] we processed 20 invoices in 15 minutes — a task that previously took 2 hours. It’s a huge time efficiency gain."

Eric Dills, Controller, Robinson Lumber

"I like that with Rillion you see a pie chart of the expenses. So each month I can see that at a quick glance... which is nice, you know each day when I go through entering/posting the invoices I kind of look at that to see where we’re at."

Nikki Milian, Accounting Manager, Smiles First

"Rillion Prime allows us to decide for ourselves the best and most efficient way to process invoices. It was important to find a great, modern solution, and a provider that offers services in Finnish."

Petri Hangasluoma, CFO, Minimani

"From a finance perspective, the benefit is that invoice processing is now much smoother. Rillion Prime offers various features that enable further development and streamlining of operations. One significant aspect regarding smoothness, and efficiency of invoice processing, has been the ability to organize work roles in the best possible way to simplify the workflow."

Teija Hautamäki, Chief Accountant, Minimani

FAQs

Got questions?

What is 3-way PO matching, and why is it important?

3-way PO matching compares an invoice with both the purchase order and the goods receipt to ensure consistency. This process helps eliminate duplicate payments, prevent fraud, and guarantee that invoices match actual deliveries.

Does Rillion’s invoice matching software match at the line level?

Yes, Rillion matches invoices and purchase orders at both the header and line levels for detailed, precise matching. Price and quantity are matched at the line level for complete accuracy.

How can I view discrepancies or exceptions in my 3-way PO matches?

Rillion automatically flags discrepancies and routes the invoice, along with all related documents, to the right person based on assigned roles, so issues are resolved quickly and accurately.

Can Rillion handle high-volume invoice matching?

Yes. Rillion’s invoice matching automation is built to process hundreds of line items at once, maintaining accuracy and speed even as your transaction volume grows.

Does Rillion integrate with ERP systems?

Of course. Rillion connects seamlessly with over 50 ERP and accounting systems, including NetSuite, SAP, and Microsoft Dynamics. This integration keeps invoice and PO data synced automatically, ensuring accuracy and consistency across platforms.

Is Rillion’s invoice matching software secure?

Absolutely. Rillion protects all financial data with enterprise-grade encryption, controlled access, and full audit trails, ensuring compliance and peace of mind for every transaction.