Detect bulk phone status with ZelNum via webhook
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 24 nodes and runs manually, when you click “Execute workflow”. It uses only n8n's built-in nodes. It also calls api.zelnum.com over HTTP.
How it runs
Trigger: Manually, when you click “Execute workflow”.
- Configure bulk request (Edit Fields (Set)): sets 11 fields: series, country, product…
- Validate bulk settings (Code): runs custom JavaScript code
- Resume an existing task? (If): checks a condition and branches into true / false
- Prepare status request (Code): runs custom JavaScript code
- Get current product catalog (HTTP Request): calls api.zelnum.com (GET)
- Get task status (HTTP Request): calls an HTTP API (GET)
- Validate request and products (Code): runs custom JavaScript code
- Assess task status (Code): runs custom JavaScript code
- Get non-billable bulk quote (HTTP Request): calls api.zelnum.com (POST)
- Result ready to download? (If): checks a condition and branches into true / false
…plus 13 more steps. See the full node list below.
HTTP calls to: api.zelnum.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (6)
- Manual Trigger
n8n-nodes-base.manualTrigger - Edit Fields (Set)
n8n-nodes-base.set - Code
n8n-nodes-base.code - If
n8n-nodes-base.if - HTTP Request
n8n-nodes-base.httpRequest - Wait
n8n-nodes-base.wait
From the author
Quick overview This workflow receives a webhook containing at least 2,000 phone numbers, submits them to the ZelNum Detect API for bulk phone detection, polls the asynchronous task until completion or failure, and returns the ZelNum result download URL in the…