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Validate & enrich phone numbers in Google Sheets with RapidAPI

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Validate & enrich phone numbers in Google Sheets with RapidAPI preview
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Important notice

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

1. Workflow Overview

Phone Number Validator with Google Sheets Validate and enrich phone numbers from Google Sheets using the API. Use Case: Cont...

Best for

  • Lead Generation automation workflows
  • intermediate n8n builders looking for reusable templates

Tools used

n8n-nodes-base.manualtrigger, n8n-nodes-base.googlesheets, n8n-nodes-base.splitinbatches, n8n-nodes-base.httprequest, n8n-nodes-base.stickynote

Source and attribution

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

Original n8n.io source

1.1 Workflow description

Title
Validate & enrich phone numbers in Google Sheets with RapidAPI
Workflow name
Validate & enrich phone numbers in Google Sheets with RapidAPI

📞 Phone Number Validator with Google Sheets

Validate and enrich phone numbers from Google Sheets using the phone number validator API.


📌 Use Case: Contact Validation & Enrichment

Automatically check if phone numbers are valid and enrich them with metadata (country, location, timezone). Ideal for CRMs, lead management, and contact cleanup workflows.


🗂️ Google Sheets Columns

Column Name Description
phone The original phone number to validate (input column).
is_valid Result from API indicating if the phone number is valid (true / false).
country Country where the phone number is registered (e.g. "US").
location More specific location info, such as city or region.
timezone The primary timezone associated with the phone number.

🎯 Benefits

  • Accurate Contact Data – Identify invalid or fake phone numbers automatically.
  • 🌐 Geolocation Enrichment – Add country, location, and timezone for better segmentation.
  • 🔁 Full Automation – No manual lookups or copying data between tools.
  • 📊 Live Google Sheets Sync – Enriched data is updated directly into your spreadsheet.

🧠 Workflow Nodes Explained

Node Purpose
🟢 Manual Trigger Starts the workflow manually from n8n.
📄 Google Sheets (Read) Fetches phone numbers from your spreadsheet using a Service Account.
🔁 Split In Batches Loops over each row one at a time to handle individual API requests.
🌐 HTTP Request Sends phone number to phone number validator via RapidAPI and receives validation + metadata.
📥 Google Sheets (Update) Writes the response back into the matching row using the phone field.

🛰️ API Used: phone number validator

We use the phone number validator API from RapidAPI to:

  • Validate phone numbers (real or fake?)
  • Identify the country, location, and timezone

> It’s fast, reliable, and great for cleaning large datasets or qualifying leads before outreach.


🧰 Prerequisites

  • 📄 A Google Sheet with a column named phone
  • 🔐 RapidAPI key with access to phone number validator
  • 🔧 Google Service Account credentials set up in n8n

🚀 How to Use

  1. 🔗 Link your Google Sheet and configure authentication
  2. 🔑 Add your RapidAPI key in the HTTP node headers
  3. ▶️ Click "Execute Workflow"
  4. 🧠 Each phone number is validated and enriched
  5. 📊 Results are written back to your Google Sheet

📎 Tags

phone validation, rapidapi, google sheets, data enrichment, phone number validator, crm automation, lead cleaning, timezone lookup

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 - Google Sheets

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 3 - Loop Over Items

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

Block 4 - HTTP Request

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

Block 5 - Google Sheets1

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 6 - Sticky Note

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

Block 7 - Sticky Note1

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

Block 8 - Sticky Note2

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

Block 9 - Sticky Note3

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

Block 10 - Sticky Note4

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

Block 11 - Sticky Note5

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

3. Summary Table

Workflow Validate & enrich phone numbers in Google Sheets with RapidAPI
Complexity intermediate
Nodes 11
Categories Lead Generation
Author Sk developer
Published 26 Jul 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/6479/6479.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

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

  4. 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. 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.

Frequently asked questions

What does Validate & enrich phone numbers in Google Sheets with RapidAPI do?

Phone Number Validator with Google Sheets Validate and enrich phone numbers from Google Sheets using the API. Use Case: Cont...

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 Lead Generation use case.