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

Gemiddeld complexiteit⚡ Trigger13 knooppunten🏷️ Invoice Processing👁 9 weergavendoor DIGITAL BIZ TECH

Overzicht

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

Gebruikte knooppunten

HTTP RequestSupabaseCodeAI AgentSimple MemoryCalculatorMistral Cloud Chat Model

Workflow-voorvertoning

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

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een trigger-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 13 knooppunten, connecting agent, chattrigger, code.

  3. 3

    Uitvoer

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

Knooppuntdetails (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

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

Integraties

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabasesupabasetooltoolcalculator

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten13
Complexiteitmedium
Triggertrigger
Weergaven9
CategorieInvoice Processing

Gemaakt door

DIGITAL BIZ TECH

DIGITAL BIZ TECH

@dbt

Tags

agentchattriggercodehttprequestiflmchatmistralcloudmemorybufferwindowmergesplitoutsupabase
⚡

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