This article provides a complete, practical walkthrough of the Code Schedule Update Scheduled n8n agent. It connects Googlesheets across approximately 1 node(s). Expect a Intermediate setup in 15-45 minutes. One‑time purchase: €29.

What This Agent Does

This agent orchestrates a reliable automation between Googlesheets, handling triggers, data enrichment, and delivery with guardrails for errors and rate limits.

It streamlines multi‑step processes that would otherwise require manual exports, spreadsheet cleanup, and repeated API requests. By centralizing logic in n8n, it reduces context switching, lowers error rates, and ensures consistent results across teams.

Typical outcomes include faster lead handoffs, automated notifications, accurate data synchronization, and better visibility via execution logs and optional Slack/Email alerts.

How It Works

The workflow uses standard n8n building blocks like Webhook or Schedule triggers, HTTP Request for API calls, and control nodes (IF, Merge, Set) to validate inputs, branch on conditions, and format outputs. Retries and timeouts improve resilience, while credentials keep secrets safe.

Third‑Party Integrations

• Googlesheets

Import and Use in n8n

1. Open n8n and create a new workflow or collection.
2. Choose Import from File or Paste JSON.
3. Paste the JSON below, then click Import.
4. Show n8n JSON

   **Title**:  
   Automate Daily Currency Exchange Updates with n8n and Google Sheets
   
   **Meta Description**:  
   Learn how to automate currency exchange rate tracking using n8n. This guide details a workflow that fetches USD exchange rates daily, formats the data, and updates a Google Sheet for both current and historical records.
   
   **Keywords**:  
   n8n, automation, exchange rate API, Google Sheets, workflow automation, financial data, currency conversion tracking, USD rates, Exchangerate-API, low-code automation
   
   **Third-Party APIs Used**:
   
   1. **ExchangeRate-API** – For retrieving live currency exchange rates using a REST API.
      - Documentation: https://www.exchangerate-api.com/docs/overview
   
   2. **Google Sheets API (via n8n Google Sheets Node)** – Used to update and archive the fetched currency exchange data into a connected Google Sheets document.
      - Documentation: https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlesheets
   
   ---
   
   ## Automate Daily Currency Exchange Updates with n8n and Google Sheets
   
   Staying on top of global currency fluctuations can be challenging, especially when daily accuracy is essential for your business operations. Manually retrieving, formatting, and storing currency data in spreadsheets consumes valuable time and is prone to errors. Fortunately, automation platforms like n8n simplify this process. In this article, we'll explore an n8n workflow that automates the retrieval of daily USD exchange rates and logs them into Google Sheets—both for current use and historical archiving.
   
   ### The Business Need
   
   Whether you're working in finance, international trade, or managing invoicing in multiple currencies, having up-to-date exchange rate data is vital. Automating this task not only ensures accuracy and consistency but also frees up resources to focus on more strategic work.
   
   This workflow meets that need by automatically:
   - Fetching the latest currency exchange rates with the base currency set to USD.
   - Formatting and saving the data, including timestamps.
   - Updating two Google Sheets: one for current data (for invoicing templates), and one for archival.
   
   ### Workflow Overview
   
   The n8n automation comprises several nodes that together perform a streamlined daily task at exactly 08:00 AM:
   
   #### 1. Trigger at 08:00 AM
   The automation begins with a scheduled trigger node configured to run daily at 08:00 AM. This ensures the data is consistently fetched without manual intervention.
   
   #### 2. Fetch Exchange Rates
   Using the ExchangeRate-API, the HTTP Request node calls the endpoint to retrieve the latest exchange rates with USD as the base currency. This API returns a JSON object containing conversion rates to 160+ global currencies.
   
   Endpoint used:  
   `https://v6.exchangerate-api.com/v6/<YOUR_API_KEY>/latest/USD`  
   (Replace `<YOUR_API_KEY>` with your actual API key.)
   
   #### 3. Process API Data
   Two parallel branches process the response:
   
   - One branch extracts all conversion rates as a JSON object using a Code node (“Format Output to JSON”).
   - The second branch formats essential fields like `base_currency` and `time_last_update_utc` into more readable formats using the “Set” node (“Filter Fields”).
   
   The `time_last_update_utc` is localized into a human-friendly string (e.g., "April 30, 2024 at 08:00 UTC").
   
   #### 4. Combine Filtered and Formatted Data
   A Merge node (“Final Outputs”) combines rate data and metadata using SQL-style combination. This consolidated data object is now ready to be stored.
   
   #### 5. Update Google Sheets
   The final leg of the workflow updates two sheets in a target Google Sheets document:
   
   - **Current Exchange Rates Sheet**: The "Update Rate Sheet" node performs an update operation to reflect the latest rates and timestamps in a fixed row. This sheet can be tied to invoice templates or dashboards.
   
   - **Historical Archive Sheet**: The "Archive Rates" node appends a new row with each execution, creating a precise and traceable history of exchange rate changes over time.
   
   Users must configure their Google Sheets API credentials in n8n to access and update a specific Google Sheets file. The workflow is designed to work seamlessly with a pre-made template that supports all currency fields.
   
   #### GitHub + Template Compatibility:
   A sticky note in the workflow provides a ready-to-use Google Sheet template and configuration instructions for the Google Sheets node. This makes it easy to replicate and modify based on custom project needs.
   
   ### Benefits of This Workflow
   
   - ✅ Fully automated—runs daily without user input.
   - 🔄 Consistent updates reduce human error.
   - 📊 Dual output: current reference rates + historical archive.
   - 🔗 Integrates seamlessly with Google Sheets for collaboration and data continuity.
   - ⏱ Saves hours of manual data entry every month.
   
   ### Setup Checklist
   
   1. Sign up at https://www.exchangerate-api.com and retrieve your API key.
   2. Replace `<YOUR_API_KEY>` in the HTTP Request node.
   3. Copy the sample Google Sheet template provided in the sticky note.
   4. Connect your Google account to n8n and grant sheet access.
   5. Run it manually once and monitor logs to ensure proper functionality.
   
   ---
   
   ### Final Thoughts
   
   For teams working across multiple currencies, this n8n workflow is a simple yet powerful asset. By combining real-time data APIs with cloud-based spreadsheets, it automates an essential task while ensuring transparency and scalability. Whether you're a finance team, a freelancer working internationally, or a developer building internal tools, this automation saves time, improves data quality, and enhances decision-making.
   
   Want a visual guide to setting this up?  
   📺 [Watch My Tutorial Video](https://www.youtube.com/watch?v=T8UFxu8Y9zA)  
   📚 [Step-by-Step Setup Guide](https://www.samirsaci.com/content/images/2025/04/temp-6.png)
   
   Let automation take care of the routine—so you can focus on the strategy.

5. Set credentials for each API node (keys, OAuth) in Credentials.
6. Run a test via Execute Workflow. Inspect Run Data, then adjust parameters.
7. Enable the workflow to run on schedule, webhook, or triggers as configured.

Tips: keep secrets in credentials, add retries and timeouts on HTTP nodes, implement error notifications, and paginate large API fetches.

Validation: use IF/Code nodes to sanitize inputs and guard against empty payloads.

Why Automate This with AI Agents

AI‑assisted automations offload repetitive, error‑prone tasks to a predictable workflow. Instead of manual copy‑paste and ad‑hoc scripts, your team gets a governed pipeline with versioned state, auditability, and observable runs.

n8n’s node graph makes data flow transparent while AI‑powered enrichment (classification, extraction, summarization) boosts throughput and consistency. Teams reclaim time, reduce operational costs, and standardize best practices without sacrificing flexibility.

Compared to one‑off integrations, an AI agent is easier to extend: swap APIs, add filters, or bolt on notifications without rewriting everything. You get reliability, control, and a faster path from idea to production.

Best Practices

• Credentials: restrict scopes and rotate tokens regularly.
• Resilience: configure retries, timeouts, and backoff for API nodes.
• Data Quality: validate inputs; normalize fields early to reduce downstream branching.
• Performance: batch records and paginate for large datasets.
• Observability: add failure alerts (Email/Slack) and persistent logs for auditing.
• Security: avoid sensitive data in logs; use environment variables and n8n credentials.

FAQs

Can I swap integrations later? Yes. Replace or add nodes and re‑map fields without rebuilding the whole flow.

How do I monitor failures? Use Execution logs and add notifications on the Error Trigger path.

Does it scale? Use queues, batching, and sub‑workflows to split responsibilities and control load.

Is my data safe? Keep secrets in Credentials, restrict token scopes, and review access logs.