Categorize Airtable invoices with OpenAI and TOON token optimization — n8n Workflow

Gemiddeld complexiteit Trigger12 knooppunten🏷️ Invoice Processing👁 1 weergavendoor CustomJS

Overzicht

> ⚠️ Notice:
> This workflow uses the CustomJS JSON to TOON node from CustomJS, which requires a self-hosted n8n instance and a CustomJS API key.

This workflow demonstrates how to automatically categorize invoices from Airtable using OpenAI, while significantly reducing token usage by converting structured data into TOON (Token-Optimized Object Notation) before sending it to the LLM.

Instead of passing large, nested JSON payloads (clients, invoices, invoice items) directly to OpenAI,

Gebruikte knooppunten

AirtableOpenAI

Workflow-voorvertoning

Categorizing invoices with TOON optimization
Here is an example of how you can categorize all
your invoices in Airtable, from our [invoice creation e
Collect invoice data from Airtable
Categorizing Invoices
Save categories back to Airtable
OpenAI Enhancement
J
JSON to TOON
W
When clicking ‘Execute w…
Get Ready Invoices
Get Clients
Get Invoice Items
A
Aggregate
L
Loop Over Items
Update record
M
Map Fields
G
GroupClientAndInvoice
T
TOON to JSON
12 nodes12 edges

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een trigger-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 12 knooppunten, connecting @custom-js/n8n-nodes-pdf-toolkit.jsontotoon, @custom-js/n8n-nodes-pdf-toolkit.toontojson, aggregate.

  3. 3

    Uitvoer

    De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (12)

AI

Airtable

airtable

#1
OP

OpenAI

n8n-nodes-langchain.openAi

#2

Hoe deze workflow te importeren

  1. 1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
  2. 2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
  3. 3Selecteer het gedownloade bestand categorize-airtable-invoices-with-openai-and-toon-token-optimization en klik op Importeren.
  4. 4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
  5. 5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

{ "name": "Categorize Airtable invoices with OpenAI and TOON token optimization", "nodes": [...], ...}

Integraties

@custom-js/n8n-nodes-pdf-toolkit.jsontotoon@custom-js/n8n-nodes-pdf-toolkit.toontojsonaggregateairtablemanualtriggeropenaisetsplitinbatches

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten12
Complexiteitmedium
Triggertrigger
Weergaven1

Gemaakt door

CustomJS

CustomJS

@customjs

Tags

@custom-js/n8n-nodes-pdf-toolkit.jsontotoon@custom-js/n8n-nodes-pdf-toolkit.toontojsonaggregateairtablemanualtriggeropenaisetsplitinbatches

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🔗 Webhook·12 nodes