Adyen achieves 70% invoice automation across 23 countries, integrating Rossum with Workday and Coupa

Who is Adyen?

Adyen is a global fintech leader providing payment solutions for enterprises like Uber, Spotify, and Booking.com. Founded in the Netherlands in 2006, Adyen has grown to employ over 4000 people in 27 offices across the globe, and processed over $1.35 trillion in payment volume in 2024.

What was the challenge?

As a fast-growing fintech company, Adyen faced critical operational bottlenecks that threatened their ability to scale efficiently. Processing 100,000+ annual invoice pages from suppliers using inconsistent formats across 23 countries was becoming unsustainable for their centralized 12-person AP team in Amsterdam.

Business objectives

Adyen’s finance operations team sought to maintain its reputation as a reliable payer while scaling efficiently across global operations.

• Ensure consistent invoice processing in the face of business growth: Adyen chose Rossum at a time of rapid business and staff growth. It needed a solution that would provide consistent invoice automation regardless of language, currency, or document layout.

• Minimize errors and duplicate payments: The team was looking not just to automate but also implement business rules and validate data against its Workday system to ensure that only high-quality information was posted to the downstream system.
• Pay on time: Adyen wanted to be known as a party that always pays on time and was a good creditor.

“It was becoming impossible to process the volume and complexity of invoices manually. If we wanted to continue growing sustainably as a business we needed an intelligent document automation solution. Experiences with other automation providers had left us very disappointed, we felt that Rossum offered us the AI visibility and control to help us continue to scale our operations efficiently.”

Marco Favaretti, Financial Controller, Adyen.

Solution phase 1: Invoice automation and Workday integration

As the first step, in 2023, Adyen deployed Rossum’s end-to-end intelligent document processing solution integrated with Workday:

1. Invoices land in a centralized inbox and are automatically forwarded to Rossum.
2. Rossum routes documents to correct workflows, depending on document type. For example, Nota Fiscals (Portuguese invoices) and Boletos (a proforma invoice) are processed separately.
3. Rossum checks for duplicates, performs tax and cost center coding based on master data imported from Workday, and performs various validations.
4. At the end of processing, the data and the original document file is sent to Workday.

The integration with Workday enables supplier matching, and if none is found, users can create new suppliers in Rossum and send the information to Workday, where the new supplier is approved.

The outcome of this phase was the automation rate of 74.8% on average, which freed the AP team from an unsustainable manual workload.

“The solution that Rossum built for Workday is the engine of us scaling as an Accounts Payable team.”

Jan Langedijk, Senior Accounts Payable Accountant

Solution phase 2: Coupa integration

In 2025, Adyen implemented Coupa to improve their supplier onboarding process and supply chain management. While this resulted in improved governance, the AP team had to deal with hundreds of new unautomated invoices a week that needed to go to Coupa.

Based on the positive experience with the Workday integration, the AP team at Adyen turned to Rossum. In just three months, the new flow was designed, tested, and implemented.

“Our solution architect had a deep knowledge of our business and Coupa, which made all the difference. His experience with Rossum-Coupa integrations meant we could go live three weeks ahead of schedule.”

Emma Carter, Accounts Payable Process Specialist

Some of the specific business requirements include:

• PO matching: Automatic validation against Coupa purchase orders streamlined the source-to-pay process while maintaining data integrity, introducing PO validation capabilities that Adyen hadn’t used before.

• IBAN validation: Rossum compares invoice details against Coupa-registered supplier information, flagging discrepancies before payment processing to prevent costly errors.

The solution runs parallel to the existing Workday integration, allowing gradual migration without disrupting established workflows that process the majority of invoices.

The results

Adyen has been continually onboarding new features and AI engine improvements, which allowed the team to:

• Reduce errors by 20.5% and improve extraction accuracy to 93.4% on average.
• Maintain 65-70% automation in a dual-integration environment.
• Reduce the size of the AP team to 7 FTEs while maintaining the ability to always process invoices in time.
• Process and resolve discrepancies with invoices in any language from 23 countries as a centralized AP team in Amsterdam.

The future

The Adyen AP team is looking to continually improve its efficiency and automation, aiming to reach an 85% automation rate within 6 months. Some of the specific initiatives and improvements include:

• Analyzing and addressing the most common automation blockers.
• Continually onboarding new AI innovations, such Rossum Actions, a feature that lets the team create custom business logic using natural language.
• Start using the Document Translation feature to speed up the processing of non-automated invoices in foreign languages.
• Improve duplicate detection and handling.

“With Rossum, we have built a solution that is truly ours. We are excited about new features that will further increase automation for us.”

Jan Langedijk, Senior Accounts Payable Accountant