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BILL has a public API described as free to use, but the developer page does not state whether access depends on your BILL product plan. bill.com, checked 27 Sept 2026 (opens in a new tab)
Subscription accounts renew each billing cycle, and you can cancel any time, effective at the end of the current billing cycle. bill.com, checked 27 Sept 2026 (opens in a new tab)
BILL runs its own integrations directory listing dozens of connected apps. bill.com, checked 27 Sept 2026 (opens in a new tab)
Public API, free to use; plan access not stated. Plans renew each billing cycle and cancel any time. Own integrations directory.
Free plan availableFree plan
BILL is best for small and mid-sized businesses that want to stop managing vendor payments and customer invoices by hand. It lets you pay bills, send invoices, track expenses, and control employee spending all in one place. BILL connects directly with QuickBooks, Xero, and other accounting software so your books stay up to date automatically. AI tools help code invoices and catch errors before they become problems. Many businesses use BILL to cut down on manual finance work.
BILL uses AI to automatically code multi-line invoices to the right accounts and to collect and verify vendor W-9s, reducing manual data entry and errors in your AP process.
BILL is a strong pick for small businesses that pay a lot of vendors or send a high volume of invoices and want those tasks off their plate. The biggest win is the deep QuickBooks and Xero sync combined with AI invoice coding, which can save your team real hours each week. The main downside is cost — at $49 per user per month for the entry plan, plus per-transaction fees on top, it can add up quickly for lean teams.