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Amazon Vendor Central purchase orders: fill rate, confirmation rate and what ships next

To track Amazon Vendor Central purchase orders, fill rate and confirmation rate with AI, the assistant needs live access to your purchase orders, receipts, invoices and Amazon's stock, and Nova's MCP connector gives Claude, ChatGPT and other assistants that access to Vendor Central. Through Nova, the assistant lists what is past due and what ships this month, reads your 13-week confirmation and fill rates, names the products that drag them down, and checks short-paid invoices on the same orders.

Updated

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The playbook

Every step calls a Nova tool that reads your live Amazon data, so paste this into Claude, ChatGPT or any assistant connected to Nova's MCP server. Run it weekly, or before a call with your Amazon vendor manager.

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Use Nova to review my Amazon Vendor Central purchase orders and tell me what to ship first and where my rates slip.

Scope: my Vendor Central accounts only. If I hold several Vendor codes, say which code each figure comes from.

1. Read the open position. Call Nova's query_vendor_purchase_orders with status "open" and level "order". From `position`, give what is open, what is due this week and what is past due, in units and value, per currency. From `schedule`, give what ships per month.

2. List what must ship first. Call Nova's query_vendor_purchase_orders with status "past_due", level "line", sorted by shipWindowEnd ascending. Give each line's purchase order, ASIN, units still to ship and value. These are confirmed units Amazon has not received after the ship window closed.

3. Read the rates. From the `rates` of any call, give confirmationRate13Weeks, fillRate13WeeksSettled and leadTimeMedianDays. They are in percentage points. Say what each means: confirmed out of ordered, received out of confirmed, days from order to last receipt.

4. Find where the rates slip. Call Nova's query_vendor_purchase_orders with level "line" over the last 13 weeks of purchase order dates, sorted by orderedValue. Name the ASINs where confirmed units fall well below ordered units, or received units fall below confirmed units.

5. Check stock behind the open lines. Call Nova's query_vendor_inventory for the ASINs from steps 2 and 4. Say whether Amazon's stock is low on the products you have not shipped.

6. Check the money side. Call Nova's query_vendor_invoices with range "open" and bucket "short_paid". Name any short-paid invoice on the purchase orders from step 2.

7. Report: one table of past due lines to ship first, the three rates with one sentence each, the ASINs that drag the rates down, and three actions for this week.

Rules: never add amounts of different currencies. A purchase order is a document: for units and revenue over a period, use query_metrics with channels ["VENDOR"]. An older period that returns nothing does not mean Amazon ordered nothing. Say which figures are missing and why, and relay every notice Nova returns. You cannot confirm, ship or change anything in Vendor Central.

Raw markdown

How Nova customers use this

Real requests from Nova customers, names removed.

  • “Which purchase orders are past due or close their ship window this week, and what still has to ship?”

    What the assistant did

    It listed past-due POs with accepted units Amazon has not received, ranked open POs by ship window end, then broke the one closing today down line by line.

    Nova tools used (4)
    1. query_vendor_purchase_orders
    2. query_vendor_invoices
    3. query_vendor_remittances
    4. query_vendor_inventory

  • “Is Amazon under-ordering from our vendor code in one marketplace?”

    What the assistant did

    It checked what stock Amazon holds from that vendor code, then compared purchase order volume, confirmation rate and fill rate with a second European marketplace.

    Nova tools used (2)
    1. query_vendor_inventory
    2. query_vendor_purchase_orders

  • “What new purchase orders has Amazon sent us recently?”

    What the assistant did

    It listed the recent POs, found an older past-due PO outside the window, and checked how far back the PO history goes.

    Nova tools used (2)
    1. query_vendor_purchase_orders
    2. query_advertising

How to read the result

Low confirmation rate

What it usually means

You confirm fewer units than Amazon orders

What to do

Check stock and production before the next PO wave

Confirmation fine, low fill rate

What it usually means

Confirmed units do not arrive

What to do

Look at the past due lines and the carrier

Past due lines on fast sellers

What it usually means

Amazon's stock runs down while units wait

What to do

Ship those lines first

Short-paid invoices on the same POs

What it usually means

A shortage claim may follow a late or partial delivery

What to do

Check proof of delivery before the dispute window closes

Lead time rising

What it usually means

Orders take longer to reach Amazon

What to do

Plan the next ship windows earlier

Limits

  • Nova reads the purchase orders Amazon's API serves. They do not reach back over the whole history.
  • Direct Fulfillment orders are not purchase orders and are not listed.
  • Rates cover the last 13 weeks of purchase order dates, whatever period you ask for.
  • Amounts stay in each document's own currency.
  • This playbook is built for Vendor Central. Nova does not confirm, ship or edit purchase orders.