Accounts Payable Process Explained

The accounts payable process is the set of steps an AP team follows from the moment a vendor invoice arrives to the moment the payment clears and the books are reconciled. It covers receiving the invoice, matching it to the purchase order and receipt, coding and approving it, paying it, and recording the entry. Run it well and you pay the right amount, on time, with a clean audit trail. Run it poorly and you face late fees, duplicate payments, strained vendor relationships, and a messy month-end close. Last updated July 2026.

This guide explains the accounts payable process end to end: what it is, the steps in order, who owns each part, the journal entries behind it, how it differs from accounts receivable, and how teams speed it up. It is written for US businesses, whether your AP team handles a few dozen invoices a month or a few thousand.

What is the accounts payable process?

The accounts payable process is the workflow a company uses to record, verify, approve, and pay the money it owes suppliers for goods and services already received. It runs from receiving a vendor invoice through matching it to supporting documents, routing it for approval, paying it, and recording the transaction so the general ledger stays accurate.

Accounts payable itself is a liability on the balance sheet: the total a business owes vendors for purchases made on credit but not yet paid. The process is how that liability is managed responsibly, making sure every invoice is legitimate, accurate, and authorized before cash leaves the account. A disciplined process protects cash flow, prevents fraud and overpayment, and keeps vendors paid on terms.

What are the steps in the accounts payable process?

The accounts payable process follows seven core steps: receive the purchase order, receive the goods or service, receive and capture the invoice, match and code the invoice, route it for approval, schedule and execute payment, then record and reconcile. Each step is a control that confirms an invoice is valid before it is paid.

Here is the full sequence in order:

1. Purchase order issued. Procurement creates a purchase order that records what was ordered, the quantities, the agreed prices, and the terms. The PO becomes the reference point everything else is checked against.
2. Goods or services received. When the order arrives, your team confirms it was delivered as expected and records a goods receipt or delivery note documenting what actually showed up.
3. Invoice received and captured. The vendor sends an invoice by mail, email, or portal. AP logs it and captures the key fields: vendor, invoice number, date, line items, totals, and payment terms.
4. Invoice matched and coded. AP compares the invoice against the PO and the goods receipt (a two-way or three-way match), then assigns the correct general ledger account and cost center so the expense lands in the right place.
5. Approval. The verified invoice is routed to the right manager based on amount and department for sign-off, following the company's approval limits.
6. Payment scheduled and executed. Once approved, AP schedules payment to capture any early-pay discount and avoid late fees, then pays by ACH, check, wire, or card.
7. Recorded and reconciled. The payment is posted to the general ledger, the liability is cleared, and AP reconciles the records so the books match what was actually paid.

The first mile, capturing the invoice and getting its data into a usable form, sets the pace for everything after it. When fields and line items are keyed by hand, matching and coding slow to a crawl and errors creep in. Pulling every field into a clean spreadsheet automatically with invoice data extraction software turns that bottleneck into a quick verification step.

What is full cycle accounts payable?

Full cycle accounts payable means owning the entire process from the first purchase order to the final reconciled payment, rather than just one task within it. A full cycle AP role handles vendor setup, invoice capture, matching, coding, approval routing, payment, and recordkeeping, closing the loop on each purchase from start to finish.

The term matters in job descriptions and process design. A clerk who only enters invoices handles part of the cycle; a full cycle AP specialist manages it end to end and is accountable for accuracy and timeliness across every step. Smaller businesses often run full cycle AP with one or two people, while larger teams split the cycle across specialists.

Who is responsible for the accounts payable process?

The accounts payable department owns the process, but it depends on several roles working together. AP clerks capture and code invoices, AP managers oversee the workflow and exceptions, department managers approve invoices they requested, and the controller or CFO sets policy and signs off on larger payments. Procurement and receiving feed in the PO and goods receipt.

This separation is deliberate. Segregation of duties, where the person who enters an invoice is not the same person who approves it or releases the payment, is a basic internal control that reduces both error and fraud. In a small company those duties may be shared, which makes the verification and approval steps even more important to document.

What is the journal entry for accounts payable?

When you receive a vendor invoice, you debit the relevant expense or asset account and credit accounts payable, which increases the liability. When you later pay the invoice, you debit accounts payable to clear the liability and credit cash or the bank account. The two entries bracket the life of the payable from recognition to settlement.

For example, receiving a $2,000 invoice for office supplies records a $2,000 debit to the supplies expense account and a $2,000 credit to accounts payable. Paying it a few weeks later records a $2,000 debit to accounts payable and a $2,000 credit to cash. Accurate coding at the matching step is what makes these entries land in the right accounts, which is why invoice coding sits at the heart of the process.

What is the difference between accounts payable and accounts receivable?

Accounts payable is money your business owes to suppliers; accounts receivable is money customers owe to your business. AP is a liability and lives on the buying side of a transaction, while AR is an asset and lives on the selling side. The same invoice is a payable to the buyer and a receivable to the seller.

The accounting treatment mirrors that difference, as the table shows:

Both processes manage cash flow timing. AP decides when money goes out, AR decides when money comes in, and a healthy business keeps the two in balance so it can pay vendors without straining working capital.

How long does the accounts payable process take?

A single invoice can clear in a day when everything matches and approvers respond quickly, but manual AP processes commonly take a week or more per invoice once you account for data entry, chasing approvals, and resolving exceptions. Industry research has put the average manual cycle in the range of one to two weeks, against a few days for automated workflows.

Most of that time is not spent paying; it is spent waiting. Invoices sit in inboxes, approvers are out of office, and mismatches send invoices back for investigation. Cutting cycle time usually comes down to removing manual data entry at the start and giving approvers a clear, routed queue rather than a forwarded email.

How do you improve the accounts payable process?

You improve the accounts payable process by removing manual data entry, standardizing how invoices arrive, enforcing matching and approval rules, and tracking a few key metrics. The biggest single gain usually comes from capturing invoice data automatically, because clean data makes every downstream step (matching, coding, approval, and duplicate checks) faster and more accurate.

Practical improvements include routing all invoices to one intake channel, requiring a PO for purchases above a threshold, applying consistent GL coding rules, and setting approval limits so invoices reach the right person automatically. Measuring cost per invoice, cycle time, and the rate of exceptions tells you where the process is leaking time. For teams ready to systematize this, accounts payable automation software handles the repetitive capture and routing while staff focus on exceptions.

How is the accounts payable process automated?

The accounts payable process is automated by digitally capturing invoice data, matching it to purchase orders and receipts automatically, routing approvals by rule, and scheduling payment without manual keying. Automation does not replace judgment; it removes the repetitive work so the AP team handles exceptions instead of typing every invoice by hand.

Automation starts at intake. Instead of retyping each invoice, an extraction tool reads the vendor, invoice number, dates, totals, and every line item into structured data. Reliable invoice line item extraction is what lets the system match each charge to a PO and flag duplicates or price changes. From there, approvals route by amount and the cleared invoice is handed to your accounting system or payment platform. Pairing accurate capture with a payments workflow like accounts payable automation closes the gap between an approved invoice and a scheduled payment. And because invoices still arrive as email attachments, an email parsing tool can pull them out of the inbox and into the queue automatically.

Getting the accounts payable process right

The accounts payable process is the same loop every time: receive, verify, approve, pay, record. What separates a slow, error-prone AP function from a fast, reliable one is rarely the paying itself; it is how cleanly the data moves through the early steps. Get the invoice data captured accurately and the rest of the cycle (matching, coding, approval, and reconciliation) becomes a series of quick checks rather than a pile of retyping.

If your team still keys invoices by hand, start there. Extracting fields and line items into a spreadsheet or your accounting system removes the bottleneck that makes everything else slow. To understand the controls that sit inside the cycle, see our guides to three-way matching and the invoice approval workflow, and to see how a single invoice moves through the system, read what invoice processing involves.