Turn McKesson SupplyManager into an API

What you can build on SupplyManager

• Get order status

  Build this

  Reads Orders, then Order Status, for the account you pick in Switch Accounts, with each order's status and what has shipped.

  Takes

  Account, order date from (optional), status (optional)

  Returns

  Order number, PO number, order date, status, ship-to, items ordered, items shipped, items backordered, total

• List backordered items

  Build this

  Reads My Backordered Items under Notifications for one account: which products on your orders are out of stock.

  Takes

  Account

  Returns

  Item number, description, quantity backordered, order number, order date, expected date if shown

• Get invoices

  Build this

  Reads Orders, then Invoices, for one account over a date range, and the invoice detail of each invoice.

  Takes

  Account, invoice date from, invoice date to

  Returns

  Invoice number, invoice date, order number, PO number, ship-to, line items, invoice total, amount due

• Approve or reject a pending order

  Build this

  Opens a cart in Approve Orders and approves or rejects it, as the approver assigned to it.

  Takes

  Account, cart or order reference, approve or reject

  Returns

  Cart reference, submitted by, decision, order number if approved, total

Automate SupplyManager 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.

• Morning backorder check across your accounts

  Build this

  Starts

  Every weekday at 7:00

  Step 1

  For each account you name, list the backordered items.

  Step 2

  Keep the items that were not backordered on the last run.

  Step 3

  Email you the new backorders, grouped by account, with item number, description and quantity.

• Weekly invoices to accounting

  Build this

  Starts

  Every Monday at 8:00

  Step 1

  For each account, get the invoices dated in the past 7 days.

  Step 2

  Stop when there are none.

  Step 3

  Post invoice number, date, PO number, line items and total to your accounting system's webhook.

• Open orders that changed status

  Build this

  Starts

  Every weekday at 13:00

  Step 1

  For each account, get the order status of orders placed in the past 14 days.

  Step 2

  Keep the orders whose status changed since the last run.

  Step 3

  Post them to your Slack or ERP webhook with order number, PO number, status and items backordered.

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 order status” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "portal.mms.mckesson.com/get_order_status",
    "input": {
      "account": "Acme Family Practice, Main St",
      "order_date_from": "2026-11-02"
    }
  }'

{
  "status": "completed",
  "data": {
    "account": "Acme Family Practice, Main St",
    "orders": [
      {
        "order_number": "D48210773",
        "po_number": "ACME-1107",
        "order_date": "2026-11-09",
        "status": "Shipped",
        "ship_to": "Acme Family Practice, Main St",
        "items_ordered": 12,
        "items_shipped": 11,
        "items_backordered": 1,
        "total": 1284.6,
        "currency": "USD"
      }
    ]
  }
}

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.

SupplyManager’s own options

McKesson Medical-Surgical offers the Connectivity API Gateway for submitting and tracking orders, retrieving invoices and order history, and patient adds and updates. You request it through an intake form, sign an API access agreement and test in a sandbox first. In SupplyManager itself, reports export to Excel, PDF or CSV.

Read on November 12, 2026: McKesson Connectivity API Gateway flyer, McKesson SupplyManager, SupplyManager training resources.

Signing in to SupplyManager

SupplyManager signs you in at portal.mms.mckesson.com with a username and password, and McKesson publishes an Okta MFA user guide for its second step. One login reaches all the accounts and locations you are attached to. With Fous you sign in through that page with your own account, and the login is sealed with AES-256, never returned by the API and never seen by code or AI agents.

Worth knowing

Each account is read on its own

One login covers all your accounts and locations, but SupplyManager shows one at a time: you change it with Switch Accounts, and you only see the accounts you are attached to. Loop over your accounts.

Approvers are assigned in advance

With approval rules on, carts go to a pre-assigned approver, who gets an email and can reject, edit or approve the order in Approve Orders. A method that approves must run as that approver.

Invoices are in two places

Invoices sit under Orders, and the Reports tab holds invoice detail and usage reports, with View Invoice or Drill to Invoice. Report results export to Excel, PDF or CSV.

Email notifications already exist

SupplyManager's Email Notifications send order confirmations, shipment notifications, invoices and statements, and packing slips to the users and accounts you choose.

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