Automate Travel Expense Extraction with OCR, Mistral AI and Supabase — Workflow n8n

Moyen complexité⚡ Déclencheur13 nœuds🏷️ Invoice Processing👁 9 vuespar DIGITAL BIZ TECH

Aperçu

Travel Reimbursement - OCR & Expense Extraction Workflow

Overview This is a lightweight n8n workflow that accepts chat input and uploaded receipts, runs OCR, stores parsed results in Supabase, and uses an AI agent to extract structured travel expense data and compute totals. Designed for zero retention operation and fast integration.

Workflow Structure Frontend:** Chat UI trigger that accepts text and file uploads. Preprocessing:** Binary normalization + per-file OCR request. Storage:** Store

Nœuds utilisés

HTTP RequestSupabaseCodeAI AgentSimple MemoryCalculatorMistral Cloud Chat Model

Aperçu du workflow

OCR (ANY OCR API)
Sends multipart file to the configured OCR endpoint. Ex
Security & Retention
Follow zero-retention guidance. Encrypt credentials. Li
NORMALIZE binary file
Code node: picks the first binary key and returns `bina
Travel Reimbursement Agent (core)
Parses OCR into structured fields (vendor, category, da
STORE OCR OUTPUT (Supabase)
Binary Presence Check
IF node verifies presence of `files` in the incoming pa
Memory & Calculator
Memory retains short session context. Calculator perfor
Merge
Combines OCR results and non-file user input back into
Split Out (binary -> data)
Extracts the first binary object into `data` field.
Chat Trigger / UI
Receives user messages and optional uploads. `allowFile
Travel Reimbursement — Overview
How it works
This workflow accepts chat input and optional uploaded
tooltoolmemorymemorymodel
S
Split Out
M
Merge
S
Supabase Get
⚡
W
When chat message received
Simple Memory
Mistral Cloud Chat Model
Calculator1
C
CHECK IF BINARY FILE IS …
NORMALIZE binary file
OCR (ANY OCR API )
STORE OCR OUTPUT
Travel reimbursement agent
Simple Memory1
13 nodes13 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les données transitent par 13 nœuds, connecting agent, chattrigger, code.

  3. 3

    Sortie

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

Détails des nœuds (13)

HT

HTTP Request

httpRequest

#1
SU

Supabase

supabase

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
SI

Simple Memory

n8n-nodes-langchain.memoryBufferWindow

#5
CA

Calculator

n8n-nodes-langchain.toolCalculator

#6
MI

Mistral Cloud Chat Model

n8n-nodes-langchain.lmChatMistralCloud

#7

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 automate-travel-expense-extraction-with-ocr-mistral-ai-and-supabase 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": "Automate Travel Expense Extraction with OCR, Mistral AI and Supabase", "nodes": [...], ...}

Intégrations

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabasesupabasetooltoolcalculator

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
Nœuds13
Complexitémedium
Déclencheurtrigger
Vues9
CatégorieInvoice Processing

Créé par

DIGITAL BIZ TECH

DIGITAL BIZ TECH

@dbt

Tags

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabase
⚡

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