No more manual bank reconciliation
No more retyping vendor bills
No more chasing overdue invoices
Pay vendors by check in seconds
The Pain for OneStream Users Today
Manual processes are slowing down your finance team.
AP Problems
You live in OneStream for consolidation and reporting, but you have to leave it to get work done. This means duplicate data entry to pay vendors, chasing approvals over email and Slack, and constantly downloading CSV files just to upload them to your bank or another payment system.
AR / Collections Problems
Your AR ledger in OneStream is a sea of “open” invoices, but you have no way to get them paid from within the platform. Your team is stuck sending manual reminder emails, and customers have no easy way to pay you online, leading to delays and impacting cash flow.
Banking / Reconciliation Problems
Because all payments happen outside of OneStream, your bank feeds never match reality. This leads to hours of detective work at month-end, a reliance on messy suspense accounts, and a constant struggle to achieve a clean, confident close.
Check Printing & Mailing Problems
The process is entirely manual and painful. It involves printing checks, getting them signed, stuffing them into envelopes, and making trips to the post office. It’s slow, prone to error, and a massive waste of your finance team’s valuable time.
What painpoint we will resolve
Pain Point
How It Shows Up
How We Fix It
Manual AP & check runs
AP Manager, Controller
Exporting CSVs of approved bills to a separate system for payment. Manually printing, signing, and mailing checks.
Bills sync from OneStream. Pay via ACH, wire, or have checks printed and mailed for you in a few clicks.
Chasing late payments
AR Manager, Controller
AR ledger shows open invoices, but there’s no native way to collect payment. Manual email follow-ups are required.
Sync invoices, send customers a payment link, and automate reminders. Payments are automatically marked as paid in OneStream.
Messy bank reconciliation
Controller, CFO
Fridays spent in “suspense account hell,” trying to match bank feeds to payments made outside of OneStream.
Every payment (ACH, wire, check) has a clear reference that syncs back to OneStream, eliminating guesswork.
Lack of payment control
CFO, Head of Finance
Batch payments and check runs have weak approval gates, creating compliance risks.
Enforce role-based approvals before any money moves. Get a full audit log for every payment, from creation to release.
How OnlineCheckWriter.com Solves It
A comprehensive solution for your payment workflow.
Approve & Pay Vendor Bills
(Without Breaking Your Approval Flow)
Vendor bills from OneStream appear automatically inside OnlineCheckWriter.com. You maintain your existing approval rules, but the process happens in a clean, auditable workflow. Once approved, pay vendors how you want: by ACH, Wire, credit-card-funded payments, checks you print yourself, or checks we print and mail for you. The best part? No double entry, no exporting, and no new ERP to learn.
Get Paid Faster With Smart AR Reminders
Customer invoices from OneStream sync directly into OnlineCheckWriter.com. From there, you can send customers branded payment links where they can pay instantly by ACH or card. Our system sends out automatic, polite reminders, so your team can stop sending “just checking on this invoice” emails. Once paid, the payment is automatically matched back to the correct invoice in OneStream.
Clean Bank Reconciliation, No Suspense Account Drama
Every ACH, wire, card payment, and check processed through our platform has a clear status and reference number. All settlement details flow directly back into OneStream, creating a clean, two-way data sync. This means fewer suspense accounts and far less detective work at month-end.
Sync Once. Stay Synced. No Double Entry.
We enable a true two-way sync between OnlineCheckWriter.com and OneStream for bills, invoices, vendors, customers, and payment statuses. When you pay a vendor or get paid by a customer in our platform, OneStream stays up to date automatically. Every action has a clear audit trail, showing who approved what, when, the payment method, amount, and status.
Two-Way Sync / How Data Moves
Seamless integration keeps your records perfectly aligned.
AP (Vendor Bills)
You create or approve vendor bills in OneStream.
Those bills appear automatically in OnlineCheckWriter.com.
Print Checks in your office or have them print and mail for you.
OnlineCheckWriter.com updates OneStream with the payment status, method, and reference numbers.
Reconciliation in OneStream becomes faster and cleaner.
AR (Customer Invoices)
Customer invoices are created in OneStream.
They sync into OnlineCheckWriter.com.
OnlineCheckWriter.com sends online payment links and optional reminders.
The customer pays by ACH or card.
OnlineCheckWriter.com marks the invoice as paid and pushes the date, method, and reference back into OneStream.
OneStream shows a clean, up-to-date AR ledger.
Cash Flow Superpower
You can pay suppliers, rent, or even taxes using your credit card balance—even if the vendor doesn’t accept cards. OnlineCheckWriter.com sends the vendor their payment via ACH, wire, or a printed/mailed check, while you get the extra float on your card. This helps you protect cash during tight weeks and avoid awkward “we can’t pay you yet” conversations. The bill still lives in OneStream; OnlineCheckWriter.com just gives you powerful control over when your money leaves and how it’s delivered.
Compliance / Control / Audit
A common issue with OneStream workflows is that batch payments or check runs often have weak, offline approvals. OnlineCheckWriter.com solves this by enforcing role-based approvals before any money leaves or checks go out. Every payment has a full audit log showing who created it, who approved it, the timestamp, method, and status. This allows finance leaders to pause payments, block suspicious activity, and require extra approvals, satisfying both internal and external auditors.
Who This Is For
Controllers and CFOs tired of Friday reconciliation chaos and looking for stronger payment controls.
AP teams handling dozens or hundreds of vendor bills and checks every week from OneStream.
AR teams manually chasing late-paying customers and updating OneStream by hand.
Founders who want one clear view of cash flow without becoming payments experts.

