Automate Invoice-Bank Statement Reconciliation with Mistral AI and OpenAI GPT-4 — n8n Workflow

Medium complexity⚡ Trigger9 nodes🏷️ Invoice Processingby Vinay Gangidi

Overview

Cash Reconciliation with AI

This template automates daily cash reconciliation by comparing your open invoices against bank statement transactions. Instead of manually scanning statements line by line, the workflow uses AI to:

Match transactions to invoices and assign confidence scores Flag unapplied or review-needed payments Produce a reconciliation table with clear metrics (match %, unmatched count, etc.)

The end result: faster cash application, fewer errors, and better visibility into your

Nodes used

Microsoft Excel 365Microsoft OneDriveCodeAI AgentOpenAI Chat ModelMistral AI

Workflow Preview

Problem Statement
Cash reconciliation is one of the most time-consuming a
Value:
Time saved: Removes repetitive manual matching.
Cash flow visibility: Gives near real-time reconciliati
Error reduction: Uses AI confidence scoring and reasons
*Input*:
Open invoices are loaded from Excel.
Daily bank statement is fetched from OneDrive.
OCR extracts transaction data from the statement.
*AI Processing*:
Both invoice data and bank transactions are passed into
The model evaluates and returns:
Transaction → Invoice matches
Confidence scores
Unmat
*Post-Processing*:
Custom code nodes parse the AI output.
Results are converted into a structured table with colu
Bank Transaction Date
Description
Amount
*Possible Enhancements*:
1. Getting Invoice data from Data Table such as Snowfla
2. Getting Bank Statement from Bank accounts directly
3. Posting the Data back to either ERP Syste
model
⚡
W
When clicking ‘Execute w…
Extract text
Get Bank Statement
Code in JavaScript
OpenAI Chat Model1
Get Transaction, Matches…
Extract the Data from Un…
Process the Invoice Vs B…
Get Invoice Data
9 nodes8 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a trigger trigger.

  2. 2

    Process

    Data flows through 9 nodes, connecting agent, code, lmchatopenai.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (9)

MI

Microsoft Excel 365

microsoftExcel

#1
MI

Microsoft OneDrive

microsoftOneDrive

#2
CO

Code

code

#3
AI

AI Agent

n8n-nodes-langchain.agent

#4
OP

OpenAI Chat Model

n8n-nodes-langchain.lmChatOpenAi

#5
MI

Mistral AI

mistralAi

#6

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded automate-invoice-bank-statement-reconciliation-with-mistral-ai-and-openai-gpt-4 file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Automate Invoice-Bank Statement Reconciliation with Mistral AI and OpenAI GPT-4", "nodes": [...], ...}

Integrations

agentcodelmchatopenaimanualtriggermicrosoftexcelmicrosoftonedrivemistralai

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes9
Complexitymedium
Triggertrigger
CategoryInvoice Processing

Created by

Vinay Gangidi

Vinay Gangidi

@vgangidi

Tags

agentcodelmchatopenaimanualtriggermicrosoftexcelmicrosoftonedrivemistralai
⚡

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