Templates / Check WhatsApp numbers from Google Sheets with WasenderAPI

Check WhatsApp numbers from Google Sheets with WasenderAPI

Unknown

by Razvan Bara ✓ · 80 views · created 2026-04-19 · Lead Generation

Unknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.

What this workflow does

This workflow has 12 nodes and runs manually, when you click “Execute workflow”. Along the way it connects Google Sheets and Wasenderapi (community).

How it runs

Trigger: Manually, when you click “Execute workflow”.

  1. Load phone numbers from Google Sheets (Google Sheets): uses Google Sheets
  2. process one by one (Loop Over Items (Split in Batches)): loops over the items in batches
  3. Notify check complete (Wasender Api): uses Wasender Api
  4. Normalize phone number (Code): runs custom JavaScript code
  5. Validate international phone format (Code): runs custom JavaScript code
  6. If: checks a condition and branches into true / false
  7. Wait: waits 10 seconds
  8. write Invalid format (Google Sheets): append or update
  9. Check WhatsApp registration with WasenderAPI (Wasender Api): check on whats app (contact)
  10. Update result in Google Sheets (Google Sheets): append or update

…plus 1 more step. See the full node list below.

Services it uses

Google SheetsWasenderapi (community)

Before you upgrade to n8n 3.0

We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).

  • Check that n8n-nodes-wasenderapi is verified or supports 3.0 (used in Check WhatsApp registration with WasenderAPI, Notify error, Notify check complete).

Nodes used (7)

From the author

WhatsApp number checker Verify phone numbers from Google Sheets and check whether they are registered on WhatsApp using WasenderAPI. This workflow is useful for lead validation, contact cleanup, and pre-qualification before outreach. - It uses the Wasender…

Excerpt from Razvan Bara's description on n8n.io.

View the original on n8n.io → Check your own copy

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