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

Moyen complexité Déclencheur12 nœuds🏷️ Invoice Processing👁 1 vuespar CustomJS

Aperçu

> ⚠️ 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,

Nœuds utilisés

AirtableOpenAI

Aperçu du workflow

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

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 12 nœuds, connecting @custom-js/n8n-nodes-pdf-toolkit.jsontotoon, @custom-js/n8n-nodes-pdf-toolkit.toontojson, aggregate.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

Détails des nœuds (12)

AI

Airtable

airtable

#1
OP

OpenAI

n8n-nodes-langchain.openAi

#2

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. Accédez à Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier categorize-airtable-invoices-with-openai-and-toon-token-optimization téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nœud de service (clés API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

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

Intégrations

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

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds12
Complexitémedium
Déclencheurtrigger
Vues1

Créé par

CustomJS

CustomJS

@customjs

Tags

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

Nouveau sur n8n ?

n8n est un outil d'automatisation de workflows gratuit et open-source. Hébergez-le vous-même ou utilisez la version cloud.

Obtenir n8n gratuitement →

Related Invoice Processing Workflows

COCOEMEX+5
medium

Automate Custom QuickBooks Invoice PDFs & Email with n8n

Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes