AI for procurement.

The whole procurement lifecycle, from request to reconciliation, on your own servers.

Accounts payable live todayWorks with NetSuite and CoupaEvery entity, currency and tax regime in one place

AP-10421 · Invoice TGS-2026-0418Aug 30, 2026 · US entity
Tallgrass Software Inc.
$100,000.00
Three-way match · PO-4471
ReviewReviewedMaya · Aug 30, 2026
ApprovalApprovedEmily, then Marcus
NetSuitePostedBill VB-10422
PaymentPartly readyOne line disputed
$80,000.00 installment ready to pay $20,000.00 held · line 3 disputed

Procurement ensures the best outcome for every dollar the company spends.
We hold ourselves to the same standard.

Procurement teams are asked to justify every purchase: the price, the risk, the value delivered. The software they buy should pass that test too.

Priced on what it processes

Pay per invoice or one flat annual fee. No per-seat fees, so adding approvers never adds cost.

No new vendor risk to vet

It runs on your servers, inside your security controls. There's no hosted service to assess, monitor and re-review every year.

Every claim shows its evidence

Every status names its source and every figure has one written definition. Nothing is estimated, and nothing is called done until your ERP says so.

One green tick hides four different facts.

Reviewed is not approved. Approved is not posted. Posted is not paid. Most tools fold all of it into one badge, and people pay on the badge. Postver keeps every fact apart, each with its source.

Most tools showDone
Postver shows
ReviewedMaya checked 14 fields
Each field traced to its place on the page
ApprovedEmily, then Marcus
Engineering rule, version 3
PostedNetSuite bill VB-10422
Read back from NetSuite, not assumed
PaidWaiting for NetSuite
A downloaded payment file is not a payment

What Postver refuses to do.

Our principles are written as prohibitions. Each one is a decision on record, not a preference, and the product is built so it can't quietly break them.

Call a downloaded file “paid”.

Paid, part-paid, returned and reversed come only from a payment your ERP has recorded.

Say “AI approved”.

Models suggest and say they're AI. A person decides, or a published, versioned rule that's named on the record.

Let one person pay alone.

The person who prepares a payment run and the person who approves it are always two different people. No administrator can waive that.

Retry blindly.

When your ERP doesn't answer, “outcome unknown” is a state with an owner. Nothing posts twice.

Go touchless on a hunch.

An invoice skips a person only inside an exact rule backed by measured accuracy. Any drift sends it back to review.

Take a supplier's word as an instruction.

“Change our bank account” in an email or PDF is just text. Bank details change only in your ERP.

Balance tax away.

Four tax records stay apart. A difference is shown with its reason; it's never relabeled as rounding.

Call preparation a filing.

Reconciliations, credit reports and 1099 readiness are internal preparation. Nothing here files a return.

Send data somewhere undeclared.

One page lists every place your data goes. A new destination needs a second person's approval first.

Estimate a number.

Every figure is computed from recorded events for a stated time. If your ERP data is stale, it says “not computed”.

How an invoice moves.

Five stages, each visible to the people who need it. Anything unresolved stays next to the decision, never buried in an activity log.

From your own mailbox or the supplier portal. The same invoice sent both ways becomes one payable.

Intake · ap-invoices@ mailbox and portalConnected
Tallgrass Software Inc.Mailbox · TGS-0418.pdf · 9:12 AM ETReceived
Tallgrass Software Inc.Portal · Kim · same invoice number and amountLinked as duplicate
Blue Anvil Logistics LLCMailbox · invoice and bill of lading · 9:40 AM ETReceived
Harbor Print & PackMailbox · reading invoice linesProcessing
One payable, two sourcesBoth files stay attached to AP-10421. Nothing can be paid twice.

Pay what's ready. Hold only what isn't.

Payment Ready is a gate you can read: seven checks, each one visible, evaluated for every installment on its own. A dispute on one line holds that amount. The rest of the invoice can still go out in the next run.

  • Per installment, not only per invoice. If a dispute grows after an installment joins a run, it's checked again and leaves the run before the file is made, with the reason.
  • Early-payment discounts such as 2/10 net 30 carry a pay-by date on the invoice, the run and the forecast. A discount counts as taken only when your ERP shows it.
  • Bank details come from your ERP, masked. Instructions printed on an invoice are ignored.
  • Holds carry a reason and an owner, so someone is always on it.
Payment Ready · AP-10421 · installment 1$80,000.00
NetSuite bill reconciledVB-10422
Net payable resolvedAfter a $1,200.00 credit memo
Beneficiary verifiedFrom NetSuite · ••••4821
No hold on this installment
No dispute on this installment's valueThe dispute is on line 3
No tax or accounting difference
No document gap
$80,000.00 Payment Ready · $20,000.00 held — dispute on line 3The disputed amount stays outside every run, with an owner, until the dispute is resolved.

AI suggests. People decide.

Postver's AI reads, drafts and suggests, and it always says it's AI. It never approves, posts or pays. When an invoice passes without a person, a published rule made that call, and the rule's name and version are on the record.

  • Evidence first. Every suggestion cites the page or record it came from.
  • Your model route. Each suggestion shows which model answered and where the data went.
  • Rules are versioned, reviewed by a second person and never edited in place.
  • Start from your own policy. The policy reader drafts approval rules from your written purchasing policy; a person reviews and publishes them.
Coding · AP-10421 · line 2Awaiting review
Coding assistantAI suggestion — review required

Code line 2 to GL 6120 Software subscriptions, cost center ENG-02. The last six invoices from this supplier were coded this way.

Evidence: page 1, line 2Model: private model, on your serversData sent outside: none
Apply suggestionEditDismiss
Automatically passed by Exact Match Policy AP-04 v7
AP-10398 · Quillmere Stationery · a rule, not a model

Two people for every payment run.

The person who prepares a run cannot approve it. The checker sees the exact manifest, totals and control counts, and signs in again before approving. Postver writes the payment file; your bank moves the money; your ERP tells Postver what was actually paid.

  • Downloaded is not paid. Status changes only on evidence from your ERP.
  • Same file, same bytes. A re-download is identical, and any bank-detail change stops the run.
Payment run PR-0917 · US · USD · ACHSigned in as Tom
Installments14
Total$486,231.00
Manifest3f9a…0c21
TOTom
Prepared the run
≠ RARachel
Approves the run
Approve run
You prepared this payment batch. Another authorized checker must approve it.
Payment file downloaded. Payment status will update from NetSuite.
PR-0917 · NACHA ACH file · downloaded by Tom, Sep 4, 2026, 10:05 AM ET

Know what you owe. Including what your ERP hasn't seen yet.

Your ERP only knows an invoice once it's posted, so the liability that matters at month end sits in inboxes. Postver adds every open bill in your ERP to every invoice still on its way, and counts each one once.

  • Twenty-five reports, each answering one question: liability and aging, close readiness, cash due, payment files, tax, controls and suppliers.
  • One definition per number. Open any headline figure to see how it's calculated, the records behind it, and export them with the scope and time in the file.
  • Honest about freshness. Every figure shows when your ERP was last read. If that's stale, the figure says so instead of mixing old and new.
Complete liability · US entityAs of Sep 28, 2026, 10:42 AM ET
Open bills in NetSuite11 bills · read back 10:31 AM ET · including 1 entered directly in NetSuite$1,735,230.00
Not yet in NetSuite7 invoices in review, tax review or approval · never shown as posted$2,117,800.00
Complete liability$3,853,030.00
Days payable outstanding · 41 daysPosted bills · trailing 90 days. Select it in the product to see both inputs.

Tax, country by country.

Each entity follows its own country's rules, in one workspace. Postver keeps four records apart: what the supplier billed, what your policy expects, what your reviewer approved and what your ERP posted. Choose a country to see its review.

Four tax records compared side by side
ComponentSupplier billedPolicy expectsReviewerNetSuite

A portal suppliers can read at a glance.

Suppliers submit invoices and tax documents, and follow each one in plain words. They never see your internal notes or bank details. A payment date appears only when it can be estimated, and it's labeled as an estimate.

  • Up to three equal logins per supplier. No admin, no hierarchy. A supplier down to one login is reminded to add another, and never blocked.
  • Remittance advice only after your ERP records the payment.
  • Invitation only. Sensitive changes ask the supplier to sign in again.
TGS-2026-0418KIAL
Tallgrass Software Inc.
$100,000.00
Received
Under review
Approved
Planned for payment
Submitted for payment
Paid
Estimated payment dateOct 14, 2026 · estimate

Your servers. Your data.

Postver installs in your environment. Invoices, documents, backups and AI calls stay where you put them, and one page shows exactly where that is. A new destination needs a second person's approval before any data flows to it.

Where your data goesReviewed Sep 12, 2026
DatabaseYour data center, Northern VirginiaVerified
DocumentsYour object storage, encryptedVerified
MailYour mailbox, read-only accessVerified
Sign-inYour identity provider, SSO and SCIMVerified
AIPrivate model pack on your serversVerified
BackupsYour storage · last point 6 min agoVerified

One less vendor to vet.

Postver runs in-house, on your infrastructure. Your supplier, bank and tax data stays on your own systems, and every team that signs off has less to review.

Less risk

Supplier, bank and tax records stay inside your own security controls from day one.

One less security posture

No hosted service to assess, monitor and re-review every year.

Easier sign-off

Procurement, IT and legal review software you run yourself, not a new place your data lives.

Residency, settled

Data residency and sovereignty follow from where you install it: your data center, your country, your cloud account.

An audit log you can check

Every action records who acted, on whose behalf and under which rule version. The log is hash-chained, so gaps show.

Recovery you can see

The age of your last recovery point is always on screen. Amber at 15 minutes, red when it's heading past 60.

Configuration with a second pair of eyes

Rules go from draft to test to review to publish. Nobody approves their own change.

Start with what you already have.

Start with accounts payable, anywhere in the world. Grow into the rest of procurement on the same platform.

01

Install

Run Postver in your own environment, next to the systems it serves.

02

Connect

Your ERP, starting with NetSuite. Coupa for purchase orders. Your invoice mailbox and identity provider. Postver shows what each connection can and cannot do.

03

Bring your records

Import people, open invoices and contracts. A dry run lists every row-level problem before anything is committed.

What we're building now.

One self-hosted platform for procurement across the whole company.

Procurement
Purchase requestsCatalog and guided buyingPurchase ordersDelivery trackingContractsBudgetsGlobal paymentsSupplier onboardingSourcing and RFQsNegotiation agentRenewals
Tax
AustraliaEuropean Union VATEU e-invoicing networksMiddle EastSoutheast Asia
Connections
More ERP connectorsSlackExternal assistants (MCP)

Pricing you can plan around.

Two ways to pay. Choose the one that fits your volume.

Per invoice

Pay only for the invoices Postver processes. Suits growing or seasonal volume.

  • No per-seat fees
  • Costs rise and fall with your volume

Flat annual

One annual fee with unlimited invoices. Suits steady, high volume.

  • No per-seat fees
  • The same price whatever your volume

Postver vs Zip.

Both are procurement platforms for the whole company. Zip runs in its cloud and is priced by quote. Postver runs in your environment and is priced on your invoices.

Switching from Zip?

Show us your current Zip order form and we'll take 60% off your Postver price. No questions asked.

Postver compared with Zip
TopicPostverZip
Where it runsIn your own environmentNext to your ERP, on servers you chooseZip's cloud serviceHosted and operated by Zip3
Your invoice dataStays with youYour database, document storage, backups and AI routeHeld in Zip's cloudTransfers outside the EEA and UK rely on the EU-US Data Privacy Framework or standard contractual clauses1
Pricing modelTwo simple optionsPer invoice processed, or a flat annual fee with unlimited invoicesQuote onlyNo public prices2
What you pay forInvoices, not peopleNo per-seat feesPlatform, seats and modulesPlatform fee, per-seat pricing, add-on modules, and separate implementation fees2
Reported costPriced on your volume60% off when you switch from ZipAbout $88,000 a yearMedian of 75 purchases; range $26,586 to $214,7502
Built forCompany-wide procurementStarting with accounts payable, for teams anywhere in the worldCompany-wide procurementEmployees who request, and the teams that approve and buy3
CoverageInvoice to payment, livePurchase requests, purchase orders, contracts, budgets and global payments are being built nowIntake to paymentIntake, sourcing, contracts, risk and payments3
  1. Zip, zip.com/trust. Checked Sep 29, 2026.
  2. Vendr, Zip HQ pricing, based on 75 purchases. Updated Feb 2026.
  3. Zip, zip.com. Checked Sep 29, 2026.

Zip is a trademark of its owner. Postver is not affiliated with Zip. The comparison above uses public information as of Sep 29, 2026; if something has changed, tell us and we'll correct it. Switch offer: 60% off Postver's price when you show a current Zip order form.

Questions.

Does the AI approve invoices?

No. AI output is always a suggestion that a person reviews. Invoices can pass without a person only under a published, versioned rule, such as an exact three-way match, and the record names that rule.

Does Postver send payments?

No. It prepares payment files that your team uploads to your bank. An invoice is marked paid, partly paid or returned only when your ERP records it.

Which ERP does it work with?

NetSuite first. More ERP connectors are on the way, and your ERP always stays the system of record.

We buy through Coupa. Does Postver work with it?

Yes. Postver reads purchase orders from Coupa and matches invoices against them, so purchasing stays where it is.

Where does it run?

In your environment. Your database, document storage, mailbox, identity provider and AI route are all yours, and the “Where your data goes” page lists each one.

What can suppliers see?

Their own invoices and documents, a plain status for each, and remittance advice after payment. Never your internal comments or anyone's bank details.

How do we know what we owe at month end?

The complete liability report adds every open bill in your ERP, including bills entered there directly, to invoices that haven't reached your ERP yet, each counted once. Every headline number has one written definition you can open, down to the records behind it.

Does it handle early-payment discounts?

Yes. Discount terms give each invoice a pay-by date, shown on the invoice, the payment run and the cash forecast, and the discounted amount goes in the payment file. A discount counts as taken only when your ERP records the payment that took it.

Can one installation serve entities in different countries?

Yes. Each buying entity keeps its own currency, tax registrations and rules, and people switch between the entities they are allowed to see. US and India tax rules are live; Australia, the EU, the Middle East and Southeast Asia are being built now.

See Postver
with your own team.

Leave your work email and we'll set up a walkthrough on your ERP, with the entities and tax rules that matter to you.