Latenode
Google drive
OpenAI GPT Assistants
Google sheets

Automatically sync PDF invoices to Google Sheets using OpenAI

This AI-powered PDF invoice parser automates the end-to-end process of extracting data from invoices stored in Google Drive, parsing the content using OpenAI, and populating a Google Sheets spreadsheet with the structured invoice details. It provides a streamlined and efficient invoice management system, eliminating manual data entry and ensuring accurate, searchable records.

The solution monitors a designated Google Drive folder for new PDF invoices, downloads the files, extracts the text content using OCR, and leverages the OpenAI language model to parse the invoice data. The structured output is then validated and appended to a Google Sheets spreadsheet, creating a centralized, searchable database of invoices. This workflow is designed to save time and reduce errors in invoice processing, catering to the needs of businesses and accounting teams.

Updated Apr 2, 2026Est. run: 21sEst. cost: $0.0013
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
Documents & invoicing

Workflow preview

What this template does

  • Extracts invoice data from PDF files in Google Drive
  • Parses invoice content using OpenAI language model
  • Populates a Google Sheets spreadsheet with structured invoice details
  • Creates a centralized, searchable database of invoices
  • Reduces manual data entry and ensures accurate invoice records

How it works

1
Trigger

Monitor Google Drive

The solution continuously watches a designated Google Drive folder for any new PDF invoices that are added.

2
Action

Download Invoice PDFs

Whenever a new PDF invoice is detected in the monitored Google Drive folder, the system automatically downloads the file.

3
AI

Extract Invoice Data

The downloaded PDF invoices are processed using OpenAI's language model to extract the key invoice data fields, such as vendor, date, total amount, and line items.

4
Action

Validate Structured Data

The extracted invoice data is validated to ensure it meets the expected schema, with any errors or missing information identified.

5
Action

Store Invoices

The validated, structured invoice data is then appended to a Google Sheets spreadsheet, creating a centralized, searchable database of all invoices.

Setup guide

1

Connect Google Drive

Add a Google Drive credential in the Latenode Credentials panel. Authorize Latenode to access your Google Drive account using OAuth.

2

Connect Google Sheets

Add a Google Sheets credential in the Latenode Credentials panel. Authorize Latenode to access your Google Sheets account using OAuth.

3

Configure OpenAI integration

Add an OpenAI credential in the Latenode Credentials panel. Provide your OpenAI API key to enable the Invoice Parser AI Agent node.

4

Set up Google Drive folder monitor

In the Latenode visual builder, add a Google Drive Trigger node. Configure it to monitor a specific folder in your Google Drive for new PDF invoice files.

5

Map invoice data to Google Sheets

In the Latenode visual builder, connect the Structured Output Parser node to a Google Sheets Insert Row node. Map the extracted invoice fields to the corresponding columns in your Google Sheets spreadsheet.

Requirements

A Google Drive account with access to the folder containing the PDF invoices
A Google Sheets account with access to create and edit the target spreadsheet
An OpenAI API key with access to the GPT-3 language model for invoice data parsing
Latenode workspace access with the necessary Google Drive, Google Sheets, and OpenAI nodes configured

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
Contact support →

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