Buyer boundaries
Grant each supplier contact the explicit legal-entity relationship they hold. A shared vendor name or email domain cannot merge financial records across separate buyers. Every saved document link rechecks that scope.

Organisations managing supplier relationships across buyer entities and payment cycles.
Organisations managing supplier relationships across buyer entities and payment cycles.
Grant each supplier contact the explicit legal-entity relationship they hold. A shared vendor name or email domain cannot merge financial records across separate buyers. Every saved document link rechecks that scope.
Publish reviewed offers against the current eligible payable balance. Preserve the acceptance deadline and exact net amount. Buyer confirmation of the reservation remains distinct from actual payment settlement.
Use source invoice identities and digests to prevent duplicate handoffs. Conflicting content under the same supplier invoice number stays a review item rather than creating a second payable.
Keep invoice status, payment progress and realised discounts on their own source basis. Reports preserve currency and observation time; a combined total must not turn conditional offers into settled savings.
Buyer boundaries · Document consistency
Early-payment terms · Observed reporting
Same records, same gates. The configuration changes how the process runs for this team.
| Offer Number | Source Invoice Id | Currency | Eligible Amount | Discount Amount |
|---|---|---|---|---|
| DO-96716 | SII-172 | CRR-194 | 310 | 11 |
| DO-72225 | SII-577 | CRR-531 | 590 | 34 |
| DO-42061 | SII-876 | CRR-427 | 790 | 16 |
| DO-97181 | SII-597 | CRR-262 | 560 | 30 |
| DO-94929 | SII-393 | CRR-800 | 440 | 6 |
| DO-60814 | SII-572 | CRR-495 | 20 | 0.4 |
Visible to: AP Manager. Visibility does not establish approval authority.
Approval conditions.
Independently approve DiscountOffers and verified PaymentDetailRequests.
Independently approve DiscountOffers and verified PaymentDetailRequestsReview supplier exceptions and buyer-scoped reportingNo own approval, direct settled-status edits or portal payment executionInvite verified supplier contacts within buyer scope.
Invite verified supplier contacts within buyer scopeInvestigate InvoiceSubmissions and source response conflictsPrepare DiscountOffersManage permitted own-vendor draft InvoiceSubmissions.
Manage permitted own-vendor draft InvoiceSubmissionsRead own current source invoice/payment status and remittanceSubmit own casesPrepare and submit own-vendor InvoiceSubmissions.
Prepare and submit own-vendor InvoiceSubmissionsRead authorised current invoice/payment status, remittance and published offersParticipate in vendor-visible SupportCasesRead explicitly granted buyer and vendor-scope source observations, financial decisions and audit evidence until access expiry.
Read explicitly granted buyer and vendor-scope source observations, financial decisions and audit evidence until access expiryExport only authorised masked evidenceNo writes, approval or execution| Remittance Number | Payment | Vendor | Generated At | Document Reference |
|---|---|---|---|---|
| RD-80938 | PS-58586 | VND-178 | 14 Sep | DR-423 |
| RD-86241 | PS-42538 | VND-207 | 17 Sep | DR-614 |
| RD-84490 | PS-52663 | VND-143 | 09 Sep | DR-201 |
| RD-57102 | PS-27204 | VND-238 | 10 Sep | DR-798 |
| RD-28323 | PS-59277 | VND-112 | 19 Sep | DR-994 |
| RD-44992 | PS-66662 | VND-017 | 05 Sep | DR-610 |
Resolve supplier questions with the invoice, payment and offer evidence in view.
Give each supplier a protected workspace for the buyer relationships they actually hold.
Let suppliers review eligible discounts and track the buyer's accepted payment arrangement.
See the buyer's latest observed invoice balance and payment progress.
Send invoices with clear supporting evidence and track the buyer's actual response.
Collect supplier requests without bypassing the buyer's payee verification controls.
Distinguish published offers, supplier decisions, buyer-confirmed reservations and observed realised discount amounts.
| Offer Number | Source Invoice Id | Currency | Eligible Amount | Discount Amount |
|---|---|---|---|---|
| DO-96716 | SII-172 | CRR-194 | 310 | 11 |
| DO-72225 | SII-577 | CRR-531 | 590 | 34 |
| DO-42061 | SII-876 | CRR-427 | 790 | 16 |
| DO-97181 | SII-597 | CRR-262 | 560 | 30 |
| DO-94929 | SII-393 | CRR-800 | 440 | 6 |
| DO-60814 | SII-572 | CRR-495 | 20 | 0.4 |
Show latest reconciled AP status, open amount and observation date for each permitted supplier invoice.
Identify rejected, conflicting or unknown submission outcomes that need buyer follow-up.
Click Start now to create your ERP.AI account, then use Proto to configure Vendor Payment Portal. Connect the buyer’s AP and payment sources, reconcile supplier identities and verify document access before inviting contacts.
Related questionSubmission sends the supplier document to the buyer. The portal retains the actual acceptance or rejection response, while financial approval and confirmed payable status remain owned by the buyer’s AP system.
Related questionEach active membership explicitly identifies the supplier and buyer relationship. Records, search, exports and saved file links enforce that scope. Similar names or a shared email domain do not grant another vendor’s access.
Related questionEach displayed status identifies its latest reconciled source revision and observation time. Older or conflicting events cannot silently replace a newer result. Missing or stale source information remains visible as an unresolved observation.
Related questionThe document explains the buyer’s payment composition. The associated source payment state separately shows whether the instruction is scheduled, pending, settled, failed or reversed.
Related questionAn active Supplier Admin can accept an eligible published offer before its exclusive deadline. The exact terms are retained, and the buyer must confirm the reservation. An ordinary Supplier User can read the offer but cannot accept it.
Related questionSupplier acceptance and buyer confirmation establish the arrangement. Realised discount comes from the observed payment allocation and the settlement conditions in the accepted terms; failed or late payment cannot automatically be reported as realised savings.
Related questionA Supplier Admin can request a protected destination change. AP Specialist verifies identity through an established channel, a different AP Manager approves, and the active profile changes only after the owning AP system confirms application.
Related questionInternal notes and files are excluded from supplier record access, search, notifications and exports. Vendor-visible messages provide the permitted answer, and document links recheck current membership and visibility.
Related questionBuyer AP teams and material suppliers coordinating invoice and payment enquiries.
Organisations managing supplier relationships across buyer entities and payment cycles.
AP teams sharing invoice status with contractors and business-service vendors.
Create your ERP.AI account and get started with Proto.
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