JobCopy
Interview Questions
Updated January 19, 2026
10 min read

accounts payable specialist Interview Questions: Complete Guide

Prepare for your accounts payable specialist interview with common questions, sample answers, and practical tips.

• Reviewed by Emily Thompson

Emily Thompson

Executive Career Strategist

20+ years in executive recruitment and career advisory

Prepare for accounts payable specialist interview questions by expecting a mix of behavioral and technical questions about invoice processing, controls, and vendor management. Interviews often include scenario questions, a review of your tools and processes, and questions about handling discrepancies and month-end work, so come ready with concrete examples and metrics.

Common Interview Questions

Behavioral Questions (STAR Method)

Questions to Ask the Interviewer

Show your interest by asking thoughtful questions
  • What does success look like in this role after the first six months and what metrics will be used to measure it?
  • Can you describe the current accounts payable workflow and the main pain points the team is trying to solve?
  • What AP or ERP systems does the team use, and are there any planned upgrades or automation projects?
  • How is the AP team structured and how does this role interact with purchasing, treasury, and accounting?
  • What are the most common vendor issues you face and how does the team typically resolve them?

Interview Preparation Tips

1

Prepare two to three concise examples of process improvements or errors you caught, and quantify impact with numbers when possible.

2

Bring up your experience with specific systems and reports, and be ready to describe step by step how you performed common tasks in those tools.

3

Practice STAR responses for behavioral questions, keeping Situation and Task brief, Action focused on your contributions, and Result measurable.

4

Ask targeted questions about workflows and upcoming projects to show interest in improving processes and fitting into the team.

Overview

## What an accounts payable specialist interview evaluates

An accounts payable (AP) specialist role centers on timely, accurate vendor payments and clean month-end close. Interviews typically test three areas: technical skills, process knowledge, and behavioral judgment.

For example, employers may ask if you have processed 3001,000 invoices per month, reduced invoice exceptions to under 2%, or shortened invoice-to-pay cycle time from 7 to 2 days.

## Typical topics and sample metrics

  • Invoice processing: matching invoices to purchase orders (POs) with at least 95% accuracy.
  • Reconciliations: completing vendor reconciliations for top 20 suppliers within 5 business days of month-end.
  • Controls & compliance: maintaining segregation of duties to prevent fraud, reducing duplicate payments by 90%.
  • Systems: using ERP systems such as Oracle NetSuite, SAP, or Bill.com; exporting 10+ monthly reports using Excel.

## Real interview scenarios

Expect live tasks or case questions: reconcile a $120,000 supplier balance with 12 unmatched invoices, or explain steps to resolve a 30% increase in late payments after a system migration. You might walk through setting up a three-way match or designing an accrual for unprocessed invoices.

Actionable takeaway: prepare specific numbers from your past roles (invoice volume, error rate, days payable outstanding) and be ready to walk through one end-to-end process with exact steps and tools used.

Key Subtopics to Prepare

## Core technical areas

  • Invoice matching and three-way match: describe matching invoice → PO → receiving report. Mention targets (e.g., resolve 95% of matches automatically; escalate 5% exceptions within 48 hours).
  • Vendor setup and maintenance: explain how you validate vendor tax IDs, bank details, and set payment terms (net 30, net 60). Include example: negotiated a 2% early-pay discount that saved $12,000 annually on $600,000 spend.
  • Reconciliations and month-end close: list tasks to close AP in 3 business days, including clearing GR/IR accounts and posting accruals for unbilled invoices.

## Controls, compliance, and fraud detection

  • Segregation of duties: give a concrete split (invoice approval separate from payment initiation).
  • Duplicate payment prevention: describe software rules or manual checks that cut duplicates by 85%.

## Systems and skills

  • ERP and automation: provide examples using NetSuite, SAP, or Bill.com and describe an automation that reduced manual entries by 40%.
  • Excel skills: VLOOKUP/XLOOKUP, PivotTables, and conditional formatting for exception reports; cite building a weekly aged-payables Pivot that prioritizes top 10 vendors.

Actionable takeaway: prepare one short story per subtopic with numbers—volume, time saved, or dollar impact.

Resources to Study and Practice

## Courses and certifications

  • IOFM Certified Accounts Payable Professional (CAP): focused on AP best practices and controls; widely recognized by employers.
  • Excel courses: complete a 1020 hour course on PivotTables, XLOOKUP, and macros (LinkedIn Learning or Coursera) to analyze aged-payables data quickly.

## Software practice

  • Hands-on with ERP demos: use free trials or sandbox accounts for Oracle NetSuite, SAP, or QuickBooks to practice entering invoices, running AP aging, and posting payments.
  • Bill.com or Tipalti sandboxes: simulate 100 invoice workflows to understand automation rules and exception handling.

## Practical templates and drills

  • Invoice-matching drill: match 50 invoices to POs in 30 minutes; aim for 95% accuracy.
  • Reconciliation checklist: create a month-end AP checklist with 12 steps (open invoices, GR/IR, vendor statements, accruals).

## Reading and quick references

  • AP policy samples: study a 35 page AP policy to learn approval levels and payment windows.
  • Short guides on DPO and working capital: understand how DPO = (Average AP / COGS) × 365 and typical targets by industry.

Actionable takeaway: schedule 4 weeks of practice—two weeks of system drills, one week of Excel work, one week reviewing controls and sample interview questions.

Interview Prep Checklist

Comprehensive checklist to prepare for your upcoming interview.

Try this tool →

Build your job search toolkit

JobCopy provides AI-powered tools to help you land your dream job faster.