Sync Google Sheets contacts to SeaTable with update/insert logic

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Keep your Google Sheets contacts in sync with SeaTable Update or Insert records in SeaTable How it works Use a Google Sheet as your central contact list. For each contact in the sheet: Check if the...

Best for

CRM automation workflows
Multimodal AI automation workflows
advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.manualtrigger, n8n-nodes-base.splitinbatches, n8n-nodes-base.noop, n8n-nodes-base.if, n8n-nodes-base.seatable, n8n-nodes-base.httprequest, n8n-nodes-base.googlesheets, n8n-nodes-base.set

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Stéphane Heckel.

Original n8n.io source

1.1 Workflow description

Title: Sync Google Sheets contacts to SeaTable with update/insert logic
Workflow name: Sync Google Sheets contacts to SeaTable with update/insert logic

Keep your Google Sheets contacts in sync with SeaTable

Update or Insert records in SeaTable

How it works

Use a Google Sheet as your central contact list.
For each contact in the sheet:
- Check if the record already exists in SeaTable (based on email).
- If it exists → update the record.
- If it doesn’t → insert the new contact.

How to use

Copy the Google Sheet Template Link.
- Get the Google Sheet ID (the string between d/ and /edit).
In the workflow, set the Sheet ID in the settings node.
In SeaTable, create or update a base with a Table1 containing these fields:
- email
- firstname
- lastname
- company
Configure your Google Sheets and SeaTable credentials in n8n.
Add your own contacts to the Google Sheet & run the workflow

Requirements

Google credentials (for Sheets access)
SeaTable account (Cloud)
n8n (tested on version 1.105.2, Ubuntu)

Example use cases

Maintain a central CRM-like database in SeaTable.
Ensure consistent contact data when collecting leads in Google Sheets.
Automate record deduplication (prevent duplicate entries).

Need Help?

Join the discussion here or contact me directly on LinkedIn.
Ask the community in the n8n Forum.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - When clicking ‘Execute workflow’

Type / Role: n8n-nodes-base.manualTrigger - manualTrigger
Config choices: Version 1

Block 2 - Loop Over Items

Type / Role: n8n-nodes-base.splitInBatches - splitInBatches
Config choices: Version 3

Block 3 - Replace Me

Type / Role: n8n-nodes-base.noOp - noOp
Config choices: Version 1

Block 4 - If

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 5 - seatablelookup

Type / Role: n8n-nodes-base.seaTable - seaTable
Config choices: Version 2

Block 6 - Create a row

Type / Role: n8n-nodes-base.seaTable - seaTable
Config choices: Version 2

Block 7 - Update a row

Type / Role: n8n-nodes-base.seaTable - seaTable
Config choices: Version 2

Block 8 - HTTP Request

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 9 - contacts

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.4

Block 10 - settings

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 11 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 12 - Sticky Note8

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 13 - Sticky Note7

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 14 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 15 - Edit Fields

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 16 - HTTP Request1

Type / Role: n8n-nodes-base.httpRequest - httpRequest
Config choices: Version 4.2

Block 17 - Edit Fields2

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 18 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

3. Summary Table

Workflow	Sync Google Sheets contacts to SeaTable with update/insert logic
Complexity	advanced
Nodes	18
Categories	CRM, Multimodal AI
Author	Stéphane Heckel
Published	21 Aug 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/7691/7691.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source CRM workflows Multimodal AI workflows

Frequently asked questions

What does Sync Google Sheets contacts to SeaTable with update/insert logic do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your CRM, Multimodal AI use case.

Stéphane Heckel

6 workflows

Nodes

n8n-nodes-base.manualtrigger n8n-nodes-base.splitinbatches n8n-nodes-base.noop n8n-nodes-base.if n8n-nodes-base.seatable n8n-nodes-base.httprequest n8n-nodes-base.googlesheets n8n-nodes-base.set

Complexity

advanced

Published 21 Aug 2025

Likes 0

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Install path: /data/workflows/7691/7691.json

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Sync Google Sheets contacts to SeaTable with update/insert logic

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Keep your Google Sheets contacts in sync with SeaTable

How it works

How to use

Requirements

Example use cases

Need Help?

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - When clicking ‘Execute workflow’

Block 2 - Loop Over Items

Block 3 - Replace Me

Block 4 - If

Block 5 - seatablelookup

Block 6 - Create a row

Block 7 - Update a row

Block 8 - HTTP Request

Block 9 - contacts

Block 10 - settings

Block 11 - Sticky Note6

Block 12 - Sticky Note8

Block 13 - Sticky Note7

Block 14 - Sticky Note1

Block 15 - Edit Fields

Block 16 - HTTP Request1

Block 17 - Edit Fields2

Block 18 - Sticky Note2

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions