Pull your Lowe's Vendor Gateway remittance into your systems

What you can build on Vendor Gateway

• Get checks and their paid invoices

  Build this

  Reads the Checks tab in Vendor Inquiry for a date range, then opens each check number to list the invoices it paid.

  Takes

  Check date from, check date to

  Returns

  Check number, check date, paid amount, invoice amount, discount, invoice count, remit to vendor, paid invoices

• Get problem invoices and EDI 810 rejections

  Build this

  Reads the Invoices tab in Vendor Inquiry with the Invoice Type filter set to Problem or to EDI 810 Rejections.

  Takes

  Invoice type (Problem or EDI 810 Rejections), invoice date from

  Returns

  Invoice number, invoice date, due date, invoice amount, store number, PO number

• Get deductions

  Build this

  Reads the Deductions tab in Vendor Inquiry, filtered by deduction type and status, with each deduction's amounts and source code.

  Takes

  Deduction type (Standard or Return to Manufacturer), status (optional), deduction date from

  Returns

  Deduction number, deduction date, deduction amount, approved amount, status, invoice number, location, purchase order, source

• Dispute a deduction

  Build this

  Opens a deduction's Deduction Details page, checks the chargeback lines you name, fills in the Chargeback Response and attaches your proof.

  Takes

  Deduction number, lines and amounts, reason, comments, contact name and email, supporting files

  Returns

  Deduction number, disputed amount, status

Automate Vendor Gateway with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• New deductions, every weekday morning

  Build this

  Starts

  Every weekday at 8:00

  Step 1

  Get the Standard deductions dated in the last 30 days from the Deductions tab.

  Step 2

  Keep the deductions that were not there on the last run.

  Step 3

  Group them by source code with an AI step.

  Step 4

  Email you the list with deduction number, amount, invoice number, purchase order and location.

• Weekly checks and paid invoices for accounting

  Build this

  Starts

  Every Monday at 7:00

  Step 1

  Get last week's checks from the Checks tab, with the invoices each one paid.

  Step 2

  Stop when there are none.

  Step 3

  Post each check and its paid invoices to your accounting system's webhook.

• Problem invoices and EDI 810 rejections to fix

  Build this

  Starts

  Every weekday at 9:00

  Step 1

  Get the invoices with Invoice Type Problem, then those with EDI 810 Rejections.

  Step 2

  Keep the invoices that were not there on the last run.

  Step 3

  Post each one to your ERP or Slack webhook so billing can correct it.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Get checks and their paid invoices” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "vendorgateway.lowes.com/get_checks",
    "input": {
      "check_date_from": "2026-11-02",
      "check_date_to": "2026-11-08"
    }
  }'

{
  "status": "completed",
  "data": {
    "checks": [
      {
        "check_number": "7718204",
        "check_date": "2026-11-05",
        "paid_amount": 48210.55,
        "invoice_amount": 49194.44,
        "discount": 983.89,
        "invoice_count": 1,
        "remit_to_vendor": "Acme Tool Co",
        "paid_invoices": [
          {
            "invoice_number": "INV-30418",
            "po_number": "88120457",
            "amount": 21400
          }
        ]
      }
    ]
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

Vendor Gateway’s own options

Lowe's does not describe an API for Vendor Gateway's screens. It takes invoices for US shipments electronically, through its own invoice WebForms application or through EDI, and the Checks and Invoices lists in Vendor Inquiry can be exported. Deductions, disputes and item data are worked on screen, with access to each application given by your company's admin.

Read on November 12, 2026: Lowe's PROVIS guide: Vendor Gateway registration and access, Lowe's vendor instruction manual: item updates in Vendor Gateway, Lowe's Vendor Gateway map (SPS Commerce).

Signing in to Vendor Gateway

Lowe's registration guide sets a Vendor Gateway password of at least 15 characters and a one-time passcode sent by email that stays valid for 15 minutes. Your company admin gives access to each application. With Fous you sign in once through Vendor Gateway's own sign-in with your own account, emailed codes are handled, and your login is sealed with AES-256 and never shown to code or AI agents.

Worth knowing

Disputes are filed per VBU

Deductions are disputed at the VBU or department level, so you switch VBUs in Vendor Inquiry to dispute each one. If you sell under several VBUs, have your deduction methods take the VBU as an input.

Each list keeps a different history

Checks go back five years and deductions three. Problem invoices stay listed for 120 days, EDI 810 rejections for five years. The Checks tab's date range starts pre-limited.

Invoice filters do not combine

On the Invoices tab, the Status filter (All, Setup, Paid) and the Invoice Type filter (Problem, EDI 810 Rejections) cannot be used together, so read each one separately.

Dispute attachments are not kept

A dispute takes up to 5 files of 3 KB to 3 MB each, and the files are removed once it is sent. Its status moves from Vendor to Lowe's about 24 hours later, then to Resolved.

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