
This article is part of our series on how to close the control gap in maritime's procure to pay workflow (article seven of seven)
What should I look for in maritime AP automation software?
Maritime-built AP software handles the exception types specific to shipping operations: partial deliveries, vessel confirmation of receipt, port agent invoices without PO anchors, multi-entity group structures, and continuous compliance screening embedded in the payment workflow. Generic AP tools adapted for maritime handle standard matching well but struggle at the operational edges, which in maritime is where most of the exposure sits.
Most AP platforms look capable in a product demonstration. Invoice ingestion, document matching, approval workflow, payment integration: the standard process looks clean when the invoices are straightforward. The interesting conversation is about what happens when they are not.
SpecTec's 2026 research across operators managing 3,150 vessels found three-way matching failing 60 to 70 percent of the time in maritime, at a cost of $85 per failed match. Those exception rates do not come from poor software configurations. They come from software that was not built around the transaction patterns that produce them.
A solution built for maritime handles these exceptions as standard cases. A generic tool handles them through workarounds, or not at all. That difference is not visible in a standard demonstration. It becomes visible when you ask the right questions.

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The seven questions to ask evert maritime AP vendor
Does the solution support four-way matching with vessel confirmation of receipt? A good answer describes how vessel confirmation is captured and connected to the invoice clearing process, and what happens when the vessel's confirmation disagrees with the delivery note.
How does the system handle invoices with no PO anchor, such as port agent disbursement accounts? A good answer describes matching logic that works without a PO reference. A weak one routes all non-PO invoices to manual review.
How does duplicate detection work across a multi-entity group? Group-level detection across all legal entities is the right answer. Within-entity only is the wrong architecture for ship management structures.
How does the system handle partial deliveries generating multiple invoices against the same PO? Cumulative tracking against the original PO value is the right answer. Per-invoice tolerance checking is not.
What does compliance screening look like inside the payment workflow? Continuous screening embedded in payment execution is the right answer. Onboarding-level screening with manual updates is not.
How are exceptions routed and resolved? Good exception routing delivers the exception with full context attached, PO, vessel history, prior invoices, supplier relationship. Bad exception routing delivers the exception to a queue and leaves the AP team to reconstruct the context.
What maritime operational context is the matching logic built on? A good answer is specific: document types, port call patterns, DA invoice handling, vessel categories. A generic answer describes configurable matching rules that could apply to any industry.
What good looks like and why it's worth the homework
The Hackett Group found that organisations using advanced AP platforms achieve 60 percent touchless processing, cycle times 59 percent faster, and productivity 3.5 times higher than those running manual processes. That performance gap reflects whether exception logic was designed from maritime patterns or configured onto a generic platform afterward.
The Maritime Control Gap covers vendor evaluation in detail, with a full question set and what strong answers look like in practice.
Generic AP tools adapted for maritime handle standard matching well but struggle at the operational edges, which in maritime is where most of the exposure sits.

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