Manage portfolio assets via webhook with Google Sheets and real-time totals

Webhook-Based Portfolio Manager (n8n + Google Sheets + API)

This workflow turns your n8n instance into a portfolio management API using a webhook and Google Sheets. You can add, update or delete assets via a simple POST request and it automatically calculates your total portfolio value in real-time.

Quick Implementation Steps

1. [Import the workflow into your n8n account](https://n8n.partnerlinks.io/om1efg2qgvwi) 2. Connect your Google Sheets OAuth2 credentials 3. Ensure your sheet has columns: Asset, Amount, Price, Value 4. Activate the workflow 5. Send a POST request to the webhook with: json { "asset": "BTC", "amount": 2, "price": 30000, "action": "add" }

What This Workflow Does

This workflow acts as a REST-like API for managing investment portfolios using n8n. It receives data via a webhook, processes it and performs operations on a Google Sheet.

It supports three core operations:

Add a new asset Update an existing asset Delete an asset