9 Best Accounts Payable Software of 2026

Ramp Bill Pay is the accounts payable module of Ramp's finance platform, and the free tier covers more than most paid AP tools. It extracts invoice data with OCR, routes bills through configurable approval workflows, runs automated fraud checks and pays vendors by ACH, card, check or wire. QuickBooks Online and Xero sync is included, and bills map to budget lines. Ramp also handles W-9 collection in bulk and prepares and files 1099 forms. Per-payment fees apply: Ramp lists $0.59 for standard ACH, $1.99 for a standard check and $10 for same-day ACH. Plus, at $15 per user per month plus a platform fee based on team size, adds auto-coded line items, AI approval recommendations, batch payments, payment release approvals, multi-entity support and NetSuite or Sage Intacct sync. A procurement add-on brings three-way matching with Ramp purchase orders. Because the platform fee depends on headcount, ask for a quote before you commit to Plus.

BILL is the best known AP platform for small and mid-sized businesses, and it bundles accounts receivable into the same per-user subscription. Every plan includes bill entry, a centralized inbox for vendor bills, approval workflows and payments by ACH, virtual card or credit card, plus invoicing with automated payment reminders. The plan you need depends on your ledger: Essentials at $49 per user per month moves data to accounting software by CSV, while Team at $65 adds automatic 2-way sync with QuickBooks Online, QuickBooks Pro, Premier and Xero. Corporate at $89 adds custom approval policies, custom user roles, the W-9 Agent and AI multi-line bill coding, plus discounts for approver-only users. BILL lists payment fees on the same page, including $0.59 for ACH from a bank or BILL balance, $1.99 for a mailed check and free virtual card payments. The network of more than 4 million vendors means many suppliers are already set up to receive payments.

Tipalti is built for finance teams whose AP problem is scale and geography rather than a handful of bills. Its Accounts Payable plans start at $99 per month with unlimited users, a self-service supplier portal and core automation, with transaction fees per invoice and payment on top. Invoice capture and GL coding are automated, invoices can be scanned in any format across 146 languages, and 2-way and 3-way PO matching are included. Suppliers onboard themselves in 27 languages through a branded portal that collects W-9 and W-8 forms, and Tipalti validates tax IDs across 62 countries. Payments go to 200+ countries and territories on local rails with multiple currency accounts, and multi-entity support adds entity-specific rules and centralized visibility. ERP integrations cover NetSuite, Sage Intacct, QuickBooks, Microsoft Dynamics and SAP. The trade-off is cost transparency: the starting price is published, but the total depends on volume and a quote.

Melio keeps bill pay simple for small businesses. The free Go plan is limited to one user but includes AI bill capture, a dedicated bills inbox, payments by ACH, wire or check, and the option to pay any bill by card even when the vendor does not take cards. It includes 5 free ACH payments a month, after which each costs $0.50. Core costs $25 per month, or $20 billed annually, plus $10 for each additional user, and adds QuickBooks Online and Xero sync, batch payments, custom approval workflows, W-9 collection with TIN validation and 1099 e-filing through Tax1099, with 20 free ACH payments. Boost at $55 adds advanced user roles, vendor credits and QuickBooks Desktop sync, and Unlimited at $80 removes the ACH cap, includes unlimited users and adds NetSuite sync. Paid plans are free for the first 90 days. Melio has no OCR line-item coding or PO matching on its pricing page, so larger AP teams will outgrow it.

Stampli approaches AP from the approver's side. Invoices are captured automatically and become available for processing, duplicates are flagged, and approval reminders go out without anyone chasing. The distinctive part is collaboration: approvers ask and answer questions in a thread on top of the invoice, with an auditable log, so decisions do not get lost in email. Stampli learns from past actions to suggest GL codes and approvers, and a vendor portal lets suppliers check status themselves. The platform now spans procurement, vendor management, payments, expense management and cards, with an AI agent called Billy. Integrations cover Oracle NetSuite, Sage Intacct, Sage 100, Microsoft Dynamics 365 Business Central and Finance, Dynamics GP, SAP ECC and S/4HANA, Acumatica and QuickBooks Online and Desktop, and Stampli says it is an Intacct Recommended Solution. Stampli does not publish prices, so request a quote that includes payments and the modules you plan to use.

Rho is a fintech banking platform rather than a standalone AP tool, and that is what makes its bill pay free. Its fee summary lists $0 subscription fees, $0 per-user fees and $0 for connected AP, expense and accounting automation, plus $0 for same-day ACH, wires and checks. Rho says its accounts payable capabilities are free to customers who hold Rho accounts. The same platform covers business checking and savings, corporate cards with up to 2 percent cashback on Rho Platinum, expense management with receipts, approvals and coding, invoicing and a month-end close tool. International payments run through Wise US Inc., with a 1 percent foreign currency conversion fee and an optional $15 SWIFT fee. The catch is the banking switch: you only get the free AP if you move operating cash to Rho. Its public pages say less about OCR accuracy, PO matching and multi-step approval rules than the dedicated AP suites on this list.

AvidXchange backs its AI-powered AP with 25+ years of data, and its strength is fitting into the systems companies already run. It offers over 200 integrations, including NetSuite, QuickBooks, Sage, Microsoft and Acumatica as well as industry ledgers such as Yardi, MRI, Rent Manager, Blackbaud and MIP Fund Accounting. The product covers invoice automation, purchase order automation and payment automation, with customizable workflows and a full audit trail. Payments go through the AvidPay Network, where suppliers choose virtual card, AvidPay Direct or a mailed check and get help through the AvidXchange Supplier Hub. Industry features such as lien waiver management show its depth in construction, real estate and community association management. AvidXchange also sells AP as a service to ERP vendors. It does not publish prices and buying starts with a demo, so it suits companies with enough invoice volume to justify a sales process.

Yooz sells AP and purchase-to-pay automation priced on the volume of documents you process, with unlimited users, automatic updates and unlimited support included. Capture is omnichannel, data extraction is automated, and invoices can be matched to purchase orders at line level with goods receipts. Fraud protection is a clear focus: Yooz checks for fake invoices and atypical amounts, and extracts and verifies bank account numbers before payment. Other modules cover dynamic routing and exception handling, payment approval and execution, virtual card payments with cash back, budget management and vendor statement reconciliation. Integrations include Acumatica, Microsoft Dynamics, NetSuite, QuickBooks, Sage and Sage Intacct, plus dealer and truck systems such as CDK, Karmak and Tekion, which explains its strength in automotive. Its pricing page offers a savings calculator but no fixed plan price, and it notes the final price depends on volume and add-ons, so request a quote for your monthly invoice count.

Routable combines accounts payable with mass payouts, and its pricing reflects that it targets companies with large vendor or contractor networks. Growth costs $1,250 per month, with 20 percent off for annual billing, and includes unlimited user seats, accounting and ERP integrations, domestic, international and instant payments, mass payouts, transaction monitoring, CSV uploads, API access and webhooks. Vendor management covers branded onboarding and domestic and international tax forms, with up to 1,000 vendors on Growth and up to 3,000 on Scale. Invoice automation with trainable OCR, PO matching, predictive coding and advanced approval workflows comes with the custom Scale and Enterprise plans, some as add-ons. Routable says payments can start in as little as a week, with implementation and training averaging 4 weeks and a dedicated implementation lead. The entry price is well above small business tools, so it makes sense when payout volume or an API integration justifies it.