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Spend classification

Categorize every line of spend against your taxonomy. Pull AP and PO data, classify each line by vendor and description, and surface exceptions for finance review.

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The prompt

I want to automate spend classification. Build me a flow that pulls AP invoices and PO line items, categorizes each line against my spend taxonomy, applies the GL coding rules, and surfaces any line that doesn't have a confident category match for finance review.

Just copy and paste the prompt into a new Parabola flow to get started.

What Parabola builds

A workflow with six steps you can edit:

1. Pull AP and PO lines. Every line from your AP system and procurement tool. Vendor, description, amount, category-if-coded.

2. Apply category rules. Vendor mapping first, then description keywords, then learned patterns from prior coding decisions.

3. Layer GL coding. Each category maps to a GL account or sub-account in your chart.

4. Confidence scoring. Each classification gets a score. High-confidence auto-applies. Low-confidence lands in the review queue.

5. Output the coded report. Spend categorized by taxonomy, by vendor, by GL, by team or cost center.

6. Surface exceptions. Lines without confident classification, vendors not in the taxonomy, categories with sudden spend changes.

Why teams stop doing this manually

Spend classification is the work that gets postponed. AP keys the invoice into the system with a GL code that is close enough. Procurement codes the PO with the category that the buyer remembered. The finance team aggregates everything quarterly and tries to clean it up.

The cleanup is the problem. Half the lines are coded inconsistently. The same vendor shows up under three categories because three different buyers coded their POs. The category taxonomy itself drifts as the business adds new vendors and new spend areas.

What gets lost is the analysis. Finance wants to know what got spent where, with which vendors, on what. Without consistent classification, every report starts with a reclassification project. By the time the report is ready, the period is over.

The fix is to classify at ingestion. Every AP invoice line and every PO line gets categorized by the flow as it lands. Exceptions go to finance for review. Clean lines flow through. The report works on the first run.

How it works

Step 1. Paste the prompt.

Open Parabola, paste the prompt in section 2, and let it ask follow-up questions about your spend taxonomy, your vendor master, and your GL coding rules.

Step 2. Connect your data.

API connections to your AP system, procurement tool, vendor master, and the spend taxonomy reference. Plus the GL coding rules.

Step 3. Run it on every batch.

New invoices and POs get classified as they land. Exceptions land in a queue finance reviews weekly. Every confirmed classification trains the flow for next time.

Related prompts

FAQ

Does this work if our taxonomy is still evolving?

Yes. Add new categories to the taxonomy and the flow picks them up on the next run. Old classifications can be reclassed in bulk against the new taxonomy.

Can it handle vendors that span multiple categories?

Yes. The classification logic uses description plus vendor, not vendor alone. A vendor that supplies both office equipment and IT services gets line-level classification by description keyword.

How does it learn from corrections?

When finance overrides a classification in the review queue, the correction trains the flow. The next invoice with similar vendor and description gets coded correctly.

What about historical reclass when the taxonomy changes?

A reclass mode runs the new taxonomy against historical spend data. Output is the proposed reclass per line. Finance reviews and approves the bulk update.

How is this different from a procurement category-management tool?

Procurement tools are good at tagging at the PO level. The flow extends classification to AP at the line level, which is where most of the analysis breaks down.
Classify at ingestion, not at quarter-end.
Paste the prompt, point it at your AP and procurement systems, and let the classification run on its own.
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