Basware has signed a binding agreement to acquire payment-fraud prevention specialist Trustpair, extending its accounts-payable technology from invoice processing and approval into verification of the bank account that ultimately receives supplier payments.
The transaction is expected to complete later in 2026, subject to customary closing conditions. Financial terms have not been disclosed.
Basware specialises in invoice lifecycle management, while Trustpair validates supplier bank-account details during onboarding, when account information changes, and before payments are authorised.
The proposed combination connects those controls across the invoice-to-payment process, addressing a point at which an otherwise legitimate invoice can still result in a loss if a fraudster succeeds in replacing genuine supplier banking details.
Trustpair is expected to retain its platform, team, and independent go-to-market operation after completion. It works across enterprise-resource planning, procurement, and treasury environments including SAP, Oracle, Coupa, Zycus, Ivalua, Jaggaer, and Kyriba.
Baptiste Collot, co-founder and chief executive of Trustpair, said: “Trustpair was built around a simple belief: approving the right invoice is not enough if the money ultimately reaches the wrong account.”
The acquisition comes as generative AI makes some forms of financial deception easier to produce at scale. Fraudsters can use synthetic documents, convincing emails, voice generation, and other tools to impersonate suppliers or employees with fewer obvious errors than traditional phishing attempts.
Research from the Association of Certified Fraud Examiners found that 75% of surveyed anti-fraud professionals had experienced an increase in generative-AI document fraud and forgery over the previous two years. Only 7% said their organisations were more than moderately prepared to detect or prevent AI-powered fraud.
Separate TransUnion research put average fraud losses among surveyed businesses at 7.7% of annual revenue. The figure covers a broad range of fraud rather than supplier-payment fraud alone, but illustrates the scale of commercial exposure.
Accounts payable is a particularly attractive target because payments are routine, external bank details legitimately change, and transaction values can be substantial. Business email compromise frequently relies on an attacker persuading finance staff that a supplier has moved to a new account.
Faster payments increase the pressure on controls before money leaves an organisation. Once funds settle, the time available to identify an anomaly and recover the payment can be short.
That increases the value of supplier identity checks, account-ownership verification, independent confirmation of changes, segregation of duties, and automated monitoring at the point of payment.
Regulators and payment networks are also pushing more responsibility towards prevention. In the United States, Nacha introduced new fraud-monitoring responsibilities during 2026 for organisations originating ACH transactions, requiring businesses within scope to maintain processes designed to identify potentially fraudulent payments.
The change complements a broader shift inside finance departments. Automation is reducing the number of invoices requiring manual intervention, but fewer human touchpoints mean controls increasingly need to operate inside the system rather than depend on an employee recognising that a request appears unusual.
Basware has expanded its product portfolio through acquisitions including Glantus, AP Matching, and Redmap between 2023 and 2025, adding capabilities around analytics, matching, and invoice automation.
The company says its network spans 2.5bn invoices and 20m suppliers. Trustpair expects the combined data environment to strengthen its validation models and give it access to a broader customer base.
The deal follows recent Basware data showing large differences in finance automation performance between stronger users and the wider customer base. Higher levels of straight-through processing can reduce cost and workload, but they increase the importance of reliable embedded validation.
The challenge for suppliers of finance software is to join invoice information, supplier identity, banking instructions, and fraud signals without creating unnecessary delays or false alerts. Excessive friction can undermine automation just as weak controls can expose a company to loss.
Trustpair’s existing investors and shareholders include Axeleo Capital, Breega, and Tikehau Capital. Basware is backed by technology-focused investor Accel-KKR.
For Basware, the acquisition extends its platform into the final stage of the payment process at a point when AI is improving both finance automation and the techniques available to fraudsters. The commercial test will be whether combining invoice and payment intelligence allows automated finance operations to increase speed without weakening assurance over where the money ultimately goes.
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