We have a clear five-step SOP for accounts payable, but vendor invoices still sit for days awaiting manual three-way matching. How do we hire an AI agent to execute this documented process around the clock?

Question

Tyler Smith · Accepted Answer

Once a Core Process is documented into a clear SOP, human labor should not be the bottleneck that slows down execution. In accounts payable, manually cross-referencing invoice line items against purchase orders and receiving slips is tedious work that frequently causes late fees and supplier friction.

You can hire an AI agent using modern developer frameworks like the OpenAI Assistants API, CrewAI, or AutoGen to execute your existing SOP twenty-four hours a day.

To build this workflow, break your accounts payable SOP into three rigid agentic steps. First, the agent monitors the incoming accounting inbox, extracts vendor invoice data, and standardizes vendor names, line items, unit prices, and quantities.

Second, the agent calls your ERP or accounting database to retrieve the matching purchase order and warehouse receiving record. The agent performs the three-way match, comparing quantities billed against quantities received and checking unit prices against agreed contract terms.

Third, the agent executes the business logic specified in your SOP. If all line items match within an acceptable dollar variance, the agent automatically approves the invoice and schedules the payment batch.

If a discrepancy occurs, such as a damaged shipment credit missing from the invoice, the agent tags the exception, summarizes the variance, and routes the file to your accounting manager. The human only handles exceptions, while the agent handles ninety percent of clean transactions instantly.