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

Mittel Komplexität Auslöser12 Knoten🏷️ Invoice Processing👁 1 Aufrufevon CustomJS

Übersicht

> ⚠️ 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,

Verwendete Knoten

AirtableOpenAI

Workflow-Vorschau

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

So funktioniert es

  1. 1

    Auslöser

    Der Workflow startet mit einem auslöser-Auslöser.

  2. 2

    Verarbeitung

    Die Daten fließen durch 12 Knoten, connecting @custom-js/n8n-nodes-pdf-toolkit.jsontotoon, @custom-js/n8n-nodes-pdf-toolkit.toontojson, aggregate.

  3. 3

    Ausgabe

    Der Workflow schließt seine Automatisierung ab und liefert das Ergebnis an das konfigurierte Ziel.

Knotendetails (12)

AI

Airtable

airtable

#1
OP

OpenAI

n8n-nodes-langchain.openAi

#2

So importieren Sie diesen Workflow

  1. 1Klicken Sie rechts auf die Schaltfläche JSON herunterladen, um die Workflow-Datei zu speichern.
  2. 2Öffnen Sie Ihre n8n-Instanz. Gehen Sie zu Workflows → Neu → Aus Datei importieren.
  3. 3Wählen Sie die heruntergeladene Datei categorize-airtable-invoices-with-openai-and-toon-token-optimization und klicken Sie auf Importieren.
  4. 4Richten Sie Anmeldedaten für jeden Dienstknoten ein (API-Schlüssel, OAuth usw.).
  5. 5Klicken Sie auf Workflow testen, um zu überprüfen, ob alles funktioniert, und aktivieren Sie es dann.

Oder direkt in n8n → Aus JSON importieren einfügen:

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

Integrationen

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

Diesen Workflow holen

Herunterladen und mit einem Klick importieren

JSON herunterladenAuf n8n.io ansehen
Knoten12
Komplexitätmedium
Auslösertrigger
Aufrufe1

Erstellt von

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