INVOICE PROCESSING

Catch invoices that bill above the matching purchase order

Reads invoices arriving in Outlook, matches each to its purchase order in Airtable by PO number.

CategoryInvoice Processing
Enginesim
Difficultyintermediate
Triggerevent
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerNew invoice email in Outlook AP folderOutlook
  • ActionExtract PO number and invoiced totalOpenAI
  • ActionRetrieve matching approved PO amountAirtableAirtable
  • LogicIsolate invoices billing over their PO
  • OutputFlag PO vs invoice mismatch for resolutionMicrosoft Teams

What it does

This workflow performs a two-way match on incoming invoices. When an invoice email lands in Outlook, it extracts the PO number and total, finds the matching purchase order in Airtable, and verifies the invoiced amount does not exceed the approved PO amount. Any invoice that bills over its PO — a classic sign of crept pricing or scope drift — triggers a Teams alert with both figures so the variance gets resolved before the invoice is paid.

When to use it

Use it when your purchasing process issues POs and you need to ensure vendors bill only what was authorized. Best for teams on Microsoft 365 that route AP through Outlook and coordinate approvals in Teams.

How it works

  1. 1A new invoice email arrives in the Outlook AP folder.
  2. 2An OpenAI step extracts the PO number and invoiced total.
  3. 3An Airtable lookup retrieves the matching approved PO amount.
  4. 4A logic step compares invoice to PO and isolates over-PO billing.
  5. 5A Teams message flags the mismatch with PO vs invoice amounts for resolution.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect OutlookMail, calendar, contacts.
  2. 2
    Connect OpenAIModels, embeddings, files.
  3. 3
    Connect AirtableBases, tables, views, automations.
  4. 4
    Connect Microsoft TeamsChannels, chats, files.
  5. 5
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  6. 6
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  7. 7
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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