Invoice Approval Routing
Most AP teams route invoices for approval manually — forwarding an email, tagging someone in a spreadsheet, or relying on a person to remember which manager owns which cost centre. Approval rules that exist on paper (anything over €5,000 needs a director, marketing spend needs the CMO) get applied inconsistently because whoever processes the invoice has to remember them case by case. Invoices stall in someone's inbox for days, nobody can see where a given invoice is stuck without asking around, and month-end close gets held up by a handful of unapproved bills that no one is tracking.
STARTING PRICE
From €99
Starter tier · Single-workflow automation, one core integration, fast turnaround.
Get a quote →Saves roughly 4-6 hrs/week for a mid-sized finance team.
How the automation works
We build a routing engine that reads each invoice's amount, cost centre, vendor and GL coding, and automatically sends it to the correct approver based on your actual approval matrix rather than someone's memory of it. Approvers get a direct link to approve or reject with the invoice and any exceptions already attached, and invoices sitting unapproved past a set number of days escalate automatically to a backup approver. Every routing decision and approval timestamp is logged, so finance can see exactly where every invoice sits in the queue at any moment.
Process flow
- 01
Invoice ready for approval trigger
Once an invoice is coded and matched, it enters the approval workflow automatically without a manual forward.
- 02
Determine approval tier ai
Amount, department, vendor and GL account are checked against your approval matrix to determine which approver or approval chain applies.
- 03
Route to approver integration
The invoice is sent to the correct approver with a direct approve/reject link and full invoice detail, no forwarding or manual lookup required.
- 04
Escalate if stalled trigger
Invoices unapproved after a configurable number of business days automatically escalate to a designated backup approver.
- 05
Log decision and release for payment output
Approval or rejection is timestamped and logged, and approved invoices flow directly into the next payment run.
Inputs
- Coded invoice with GL account
- Approval matrix by amount/department/vendor
- Org chart and approver contact data
- Escalation policy and SLA thresholds
Outputs
- Approved invoices ready for payment
- Rejected invoices returned with reason
- Live approval-status queue
- Approver responsiveness report
Works with
Prefer a fully custom build instead of an off-the-shelf integration? We scope both options during your free consultation — most jobs like this one work fine on standard connectors, but higher-volume or non-standard systems sometimes need bespoke API work, reflected in the complex tier.
Where this goes wrong if you get it wrong
- Approval matrices with overlapping rules (an amount threshold and a department rule that both apply) need an explicit precedence order defined up front, or two different approvers can both think an invoice needs their sign-off, or neither does.
- Approvers who are on leave are the single biggest cause of stalled approval queues — the routing needs an out-of-office or delegate mechanism, not just a fixed escalation timer, or invoices pile up waiting for someone who isn't checking email.
- Split-coded invoices that hit multiple cost centres need approval from every relevant department owner, not just the largest line — a naive routing rule that picks 'the biggest line item's owner' will bypass a legitimate approver.
- Never let escalation silently bypass the original approver's authority on high-value invoices — a backup approver exceeding their own limit should trigger a second-level escalation, not an automatic approval.
Frequently asked questions
Can we set different approval rules for different departments?
Yes — the routing engine is built from your actual approval matrix, including different thresholds, approvers and rules per department, vendor category or GL account.
What happens if an invoice is rejected?
It's returned to AP with the rejection reason attached, so the invoice can be corrected or queried with the vendor without anyone having to chase down why it was rejected.
How does escalation work if an approver is unavailable?
You set the escalation window (commonly 2-3 business days) and a designated backup approver per role; invoices that stall past that window route automatically without anyone needing to notice and forward manually.
Does this integrate with our existing accounting system's approval feature?
It can either extend your accounting system's native approval workflow with smarter routing logic, or run as a standalone layer that posts final decisions back into Xero, QuickBooks or NetSuite.