Best Accounts Payable Software in 2026

BILL Accounts Payable

It suits accounts payable teams at small and midsize businesses and accounting firms that need invoice workflows, payments, and accounting connections.

Nanonets Accounts Payable Automation

It is aimed at teams handling document-heavy business processes, including accounts payable, from smaller companies through Fortune 500 enterprises.

Ottimate is aimed at AP managers, approvers, controllers and CFOs.

Lightyear

Lightyear is aimed at SME finance teams, including those in hospitality, retail, care, education and healthcare.

ApprovalMax

ApprovalMax suits businesses, accountants, and bookkeepers that need multi-step financial approvals and accounting integrations.

Melio suits US businesses managing bills, invoices, and payments, particularly small and midsized businesses moving beyond spreadsheets or paper-based bill pay.

Zahara suits finance teams that want purchasing, invoice handling, approvals, and supplier payments in connected workflows.

Tradeshift is aimed at large and mid-sized companies managing invoice workflows, purchasing, and supplier connections.

It suits business owners, bookkeepers, accountants, and teams that pay vendors and want invoice review and approvals within Relay.

PairSoft describes the software for mid-size and enterprise businesses, including accounting, procurement, and fundraising teams.

It suits organizations managing receipts, approvals, reimbursements, travel authorizations, and card transactions.

Esker Accounts Payable Automation

It suits finance leaders and AP teams at large companies or organizations with complex finance operations.

AvidXchange

AvidXchange is for middle-market organizations in industries such as real estate, construction, healthcare, hospitality, education, financial services, and nonprofits.