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Zoho CRM email verification with BillionVerify
Zoho CRM is a comprehensive customer relationship management platform for sales teams to manage leads, contacts, deals, and pipelines. Integrating BillionVerify into Zoho CRM keeps your contact database clean by validating email addresses at the point of entry and during routine list hygiene.
Why verify before the send
CRM data quality directly affects sales outreach effectiveness. Leads with invalid, role-based, or disposable email addresses drain campaign budgets and damage sender reputation. BillionVerify validates every address for real deliverability, so your sales team focuses on contacts they can actually reach.
Ready-to-use n8n workflow
Import this workflow into n8n — it verifies every address with BillionVerify before Zoho CRM sends, so only deliverable contacts are emailed. Install the BillionVerify community node first, then add your API key. Adapted from this n8n template
verify-emails-in-zoho-crm.json
{
"name": "Personalized cold lead re-engagement with Zoho CRM and GPT-4o-mini + BillionVerify",
"nodes": [
{
"id": "b20b9460-99c7-42c0-b7c3-506838d45b1c",
"name": "Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-720,
2384
],
"parameters": {
"color": 7,
"content": "## Data Retrieval\nFetches leads from Zoho CRM that haven't been contacted in 30+ days. Returns lead details including contact info, scores, and activity history."
},
"typeVersion": 1
},
{
"id": "056fe6ef-df40-417e-96f9-ed2a930e3da8",
"name": "Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-336,
2272
],
"parameters": {
"color": 7,
"height": 192,
"content": "## Lead Scoring & Filtering\nCalculates engagement scores and priority tiers (HOT/WARM/COLD) based on inactivity. Filters out low-value leads (score <60)."
},
"typeVersion": 1
},
{
"id": "7c25f3fd-7bad-444a-9c28-219f9102828e",
"name": "Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
80,
2224
],
"parameters": {
"color": 7,
"height": 176,
"content": "## Industry Segmentation\nRoutes leads to Tech, Healthcare, or General segments for tailored messaging."
},
"typeVersion": 1
},
{
"id": "7067df96-8ada-41bd-ba59-271872500621",
"name": "Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
496,
2176
],
"parameters": {
"color": 7,
"width": 280,
"content": "## AI Personalization\nGenerates custom email content using GPT-4o based on lead profile, industry, and inactivity period. Sets up A/B test variants for subject lines."
},
"typeVersion": 1
},
{
"id": "0870ba0d-c6f4-45e1-b5f4-1f309697d0a7",
"name": "Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1104,
2320
],
"parameters": {
"color": 7,
"width": 280,
"height": 176,
"content": "## Multi-Channel Outreach\nSends personalized emails to all qualified leads. HOT priority leads with phone numbers also receive SMS follow-ups via Twilio."
},
"typeVersion": 1
},
{
"id": "af94d270-7c04-48b4-98f4-f09cd94134b1",
"name": "Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1536,
2224
],
"parameters": {
"color": 7,
"width": 280,
"height": 192,
"content": "## CRM Update & Analytics\nUpdates lead records in Zoho with outreach status and aggregates campaign metrics (segment performance, A/B results, priority breakdown)."
},
"typeVersion": 1
},
{
"id": "77e8c5ca-9b9e-4bc9-bf07-aeb1db8e82dd",
"name": "Schedule: Mon/Wed/Fri 9AM1",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
-880,
2576
],
"parameters": {
"rule": {
"interval": [
{
"field": "cronExpression"
}
]
}
},
"typeVersion": 1.1
},
{
"id": "732e237d-57ad-4612-badb-2423e4659786",
"name": "Calculate Date Ranges1",
"type": "n8n-nodes-base.function",
"position": [
-672,
2576
],
"parameters": {
"functionCode": "const today = new Date();\nconst date30 = new Date(today);\ndate30.setDate(today.getDate() - 30);\nconst date60 = new Date(today);\ndate60.setDate(today.getDate() - 60);\nconst date90 = new Date(today);\ndate90.setDate(today.getDate() - 90);\n\nreturn [{ \n json: { \n dateMinus30: date30.toISOString().split('T')[0],\n dateMinus60: date60.toISOString().split('T')[0],\n dateMinus90: date90.toISOString().split('T')[0],\n today: today.toISOString().split('T')[0],\n batchId: `BATCH_${Date.now()}`\n } \n}];"
},
"typeVersion": 1
},
{
"id": "a06dd10c-da43-424e-a025-2b79d4d41248",
"name": "Process & Score Leads1",
"type": "n8n-nodes-base.function",
"position": [
-256,
2576
],
"parameters": {
"functionCode": "// Extract leads from response and add metadata\nconst leads = $input.all()[0].json.data || [];\n\nconst processedLeads = leads.map(lead => {\n const lastActivity = new Date(lead.Last_Activity_Time);\n const daysSinceContact = Math.floor((new Date() - lastActivity) / (1000 * 60 * 60 * 24));\n \n // Calculate priority tier\n let priorityTier;\n if (daysSinceContact >= 90) priorityTier = 'HOT';\n else if (daysSinceContact >= 60) priorityTier = 'WARM';\n else priorityTier = 'COLD';\n \n // Calculate engagement score\n const baseScore = lead.Lead_Score || 50;\n const timeDecay = Math.min(daysSinceContact / 30, 3) * 10;\n const engagementScore = Math.max(baseScore - timeDecay, 0);\n \n return {\n ...lead,\n daysSinceContact,\n priorityTier,\n engagementScore: Math.round(engagementScore),\n batchId: $('Calculate Date Ranges').item.json.batchId\n };\n});\n\nreturn processedLeads.map(lead => ({ json: lead }));"
},
"typeVersion": 1
},
{
"id": "af19df2d-7acc-49fa-9211-1db264f5b6ee",
"name": "Filter High-Value Leads1",
"type": "n8n-nodes-base.if",
"position": [
-64,
2576
],
"parameters": {
"conditions": {
"number": [
{
"value1": "={{ $json.engagementScore }}",
"value2": 60,
"operation": "largerEqual"
}
],
"string": [
{
"value1": "={{ $json.Email }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1
},
{
"id": "632af03e-8298-4881-8b11-9ee3cb864edd",
"name": "Tech Segment?1",
"type": "n8n-nodes-base.if",
"position": [
144,
2448
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.Industry }}",
"value2": "Technology|Software|IT Services",
"operation": "regex"
}
]
}
},
"typeVersion": 1
},
{
"id": "6fd53516-c2b7-48ee-8163-6c2b0e4f7163",
"name": "Healthcare Segment?1",
"type": "n8n-nodes-base.if",
"position": [
128,
2688
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.Industry }}",
"value2": "Healthcare|Medical|Pharma",
"operation": "regex"
}
]
}
},
"typeVersion": 1
},
{
"id": "400488a2-746e-4915-856c-b09defafadb5",
"name": "Set Tech Segment1",
"type": "n8n-nodes-base.set",
"position": [
352,
2368
],
"parameters": {
"values": {
"string": [
{
"name": "segment",
"value": "tech"
},
{
"name": "segmentName",
"value": "Technology"
}
]
},
"options": {}
},
"typeVersion": 1
},
{
"id": "307163e1-b1ca-4d22-9fc4-625f5a8af44f",
"name": "Set Healthcare Segment1",
"type": "n8n-nodes-base.set",
"position": [
352,
2576
],
"parameters": {
"values": {
"string": [
{
"name": "segment",
"value": "healthcare"
},
{
"name": "segmentName",
"value": "Healthcare"
}
]
},
"options": {}
},
"typeVersion": 1
},
{
"id": "6026ad91-9495-496d-b5fb-769eb67eb59e",
"name": "Set General Segment1",
"type": "n8n-nodes-base.set",
"position": [
352,
2784
],
"parameters": {
"values": {
"string": [
{
"name": "segment",
"value": "general"
},
{
"name": "segmentName",
"value": "General"
}
]
},
"options": {}
},
"typeVersion": 1
},
{
"id": "951fbe0b-e930-45dc-b895-bb3eb87f591d",
"name": "A/B Test Setup1",
"type": "n8n-nodes-base.set",
"position": [
544,
2576
],
"parameters": {
"values": {
"string": [
{
"name": "subjectLineVariant",
"value": "={{ Math.random() > 0.5 ? 'A' : 'B' }}"
},
{
"name": "subjectA",
"value": "Quick question about {{ $json.Company }}"
},
{
"name": "subjectB",
"value": "Let's reconnect - exciting update for {{ $json.Industry }}"
}
]
},
"options": {}
},
"typeVersion": 1
},
{
"id": "48ac77d4-d57d-4edd-b623-7bae1023d427",
"name": "Prepare Email Data1",
"type": "n8n-nodes-base.set",
"position": [
944,
2576
],
"parameters": {
"values": {
"string": [
{
"name": "emailBody",
"value": "={{ $json.text }}"
},
{
"name": "finalSubject",
"value": "={{ $json.subjectLineVariant === 'A' ? $json.subjectA : $json.subjectB }}"
},
{
"name": "sentAt",
"value": "={{ $now.toISO() }}"
}
]
},
"options": {}
},
"typeVersion": 1
},
{
"id": "2f8fc308-c67f-4731-a0c0-2c57abd99fff",
"name": "Send Email1",
"type": "n8n-nodes-base.emailSend",
"position": [
1152,
2576
],
"webhookId": "f7c375c0-1040-4ee3-8ae0-b6d1a4d10d58",
"parameters": {
"options": {},
"subject": "={{ $json.finalSubject }}",
"toEmail": "={{ $json.Email }}",
"fromEmail": "={{ $json.email }}"
},
"credentials": {
"smtp": {
"id": "credential-id",
"name": "smtp Credential"
}
},
"typeVersion": 2
},
{
"id": "1c9e4e6c-771e-4c0d-ac6d-64eb235ccc7c",
"name": "Check If SMS Needed1",
"type": "n8n-nodes-base.if",
"position": [
1344,
2576
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.Phone }}",
"operation": "isNotEmpty"
},
{
"value1": "={{ $json.priorityTier }}",
"value2": "HOT",
"operation": "equals"
}
]
}
},
"typeVersion": 1
},
{
"id": "6fc77d02-2bdf-4df1-8357-f83d57bfcee5",
"name": "Send SMS (HOT Leads)1",
"type": "n8n-nodes-base.httpRequest",
"position": [
1552,
2448
],
"parameters": {
"url": "https://api.twilio.com/2010-04-01/Accounts/YOUR_ACCOUNT_SID/Messages.json",
"method": "POST",
"options": {},
"sendBody": true,
"bodyParameters": {
"parameters": [
{}
]
}
},
"typeVersion": 3
},
{
"id": "4361c66e-ed0e-424f-997c-9c7f95323422",
"name": "Update CRM Record1",
"type": "n8n-nodes-base.httpRequest",
"position": [
1552,
2672
],
"parameters": {
"url": "https://www.zohoapis.in/crm/v2/Leads/{{ $json.id }}",
"method": "PUT",
"options": {},
"sendBody": true,
"bodyParameters": {
"parameters": [
{}
]
}
},
"typeVersion": 3
},
{
"id": "2af48046-d40b-49c8-8653-79d128015d8c",
"name": "Aggregate Campaign Stats1",
"type": "n8n-nodes-base.function",
"position": [
1744,
2576
],
"parameters": {
"functionCode": "// Aggregate campaign results\nconst items = $input.all();\nconst totalProcessed = items.length;\nconst bySegment = {};\nconst byPriority = {};\nconst byVariant = { A: 0, B: 0 };\n\nitems.forEach(item => {\n const data = item.json;\n \n // Count by segment\n bySegment[data.segment] = (bySegment[data.segment] || 0) + 1;\n \n // Count by priority\n byPriority[data.priorityTier] = (byPriority[data.priorityTier] || 0) + 1;\n \n // Count by A/B variant\n byVariant[data.subjectLineVariant]++;\n});\n\nconst avgEngagementScore = items.reduce((sum, item) => sum + (item.json.engagementScore || 0), 0) / totalProcessed;\n\nreturn [{\n json: {\n batchId: items[0].json.batchId,\n completedAt: new Date().toISOString(),\n totalLeadsProcessed: totalProcessed,\n segmentBreakdown: bySegment,\n priorityBreakdown: byPriority,\n abTestSplit: byVariant,\n averageEngagementScore: Math.round(avgEngagementScore),\n campaignType: 'Cold Lead Revival'\n }\n}];"
},
"typeVersion": 1
},
{
"id": "78b152cd-ed0a-4e25-abb4-3a0f03240d11",
"name": "Fetch Cold Leads from Zoho",
"type": "n8n-nodes-base.httpRequest",
"position": [
-480,
2576
],
"parameters": {
"url": "https://www.zohoapis.in/crm/v2/Leads/search?criteria=((Last_Activity_Time:before:{{$json[\"dateMinus30\"]}}))&fields=First_Name,Last_Name,Email,Phone,Company,Industry,Lead_Score,Lead_Status,Last_Activity_Time,Notes,Lead_Source&per_page=200",
"options": {}
},
"typeVersion": 3
},
{
"id": "8f6e2db6-ab4a-4e37-be3d-d0eec739afe0",
"name": "AI Email Composer",
"type": "@n8n/n8n-nodes-langchain.agent",
"position": [
688,
2368
],
"parameters": {
"text": "=You are a sales expert crafting a re-engagement email.\n\nLead Information:\n- Name: {{ $json.First_Name }} {{ $json.Last_Name }}\n- Company: {{ $json.Company }}\n- Industry: {{ $json.segmentName }}\n- Days since contact: {{ $json.daysSinceContact }}\n- Lead Score: {{ $json.engagementScore }}\n- Priority: {{ $json.priorityTier }}\n- Last Status: {{ $json.Lead_Status }}\n- Lead Source: {{ $json.Lead_Source }}\n- Previous Notes: {{ $json.Notes || 'None' }}\n\nTask: Write a personalized, warm re-engagement email (150-200 words) that:\n1. References their industry ({{ $json.segmentName }}) with relevant insights\n2. Acknowledges the time gap naturally\n3. Provides value (industry trend, solution, or opportunity)\n4. Includes a soft, specific call-to-action\n5. Maintains a conversational, helpful tone\n\nDo NOT use generic templates. Make it feel like a genuine, personalized message from a human who remembers them.\n\nReturn ONLY the email body text, no subject line.",
"options": {
"systemMessage": "You are an expert sales copywriter specializing in authentic, personalized B2B outreach."
},
"promptType": "define"
},
"typeVersion": 1.6
},
{
"id": "1750d75b-87bb-46d8-9361-28ec81c75c78",
"name": "GPT-4o Mini Model",
"type": "@n8n/n8n-nodes-langchain.lmChatAzureOpenAi",
"position": [
752,
2768
],
"parameters": {
"model": "gpt-4o-mini",
"options": {
"maxTokens": 500,
"temperature": 0.7
}
},
"credentials": {
"azureOpenAiApi": {
"id": "credential-id",
"name": "azureOpenAiApi Credential"
}
},
"typeVersion": 1
},
{
"id": "7e1a64b8-3c5c-4910-93d4-83113da5f242",
"name": "Overview",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1376,
2336
],
"parameters": {
"width": 420,
"height": 476,
"content": "## Overview: Cold Lead Reviver\n\n**How it works:**\nThis workflow automatically re-engages cold leads from your Zoho CRM on a set schedule. It fetches leads inactive for 30+ days, scores them based on engagement history, segments by industry, and sends personalized AI-generated emails. High-priority leads (90+ days inactive) also receive SMS follow-ups. The workflow includes A/B testing for subject lines and tracks campaign performance.\n\n**Setup steps:**\n1. Configure Zoho CRM credentials in \"Fetch Cold Leads\" node\n2. Set up Azure OpenAI credentials in \"GPT-4o Mini Model\" node\n3. Add SMTP credentials in \"Send Email\" node\n4. (Optional) Configure Twilio credentials in \"Send SMS\" node for hot leads\n5. Adjust the schedule trigger to your preferred cadence\n6. Update industry segmentation rules if needed"
},
"typeVersion": 1
},
{
"parameters": {
"operation": "verify",
"email": "={{ $json.Email }}",
"additionalOptions": {}
},
"type": "n8n-nodes-billionverify.billionVerify",
"typeVersion": 1,
"position": [
792,
2576
],
"name": "Verify Email (BillionVerify)",
"credentials": {
"billionVerifyApi": {
"id": "",
"name": "BillionVerify account"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose"
},
"combinator": "and",
"conditions": [
{
"id": "is-deliverable",
"leftValue": "={{ $json.is_deliverable }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
]
}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2,
"position": [
972,
2576
],
"name": "IF deliverable"
}
],
"connections": {
"Send Email1": {
"main": [
[
{
"node": "Check If SMS Needed1",
"type": "main",
"index": 0
}
]
]
},
"Tech Segment?1": {
"main": [
[
{
"node": "Set Tech Segment1",
"type": "main",
"index": 0
}
],
[
{
"node": "Healthcare Segment?1",
"type": "main",
"index": 0
}
]
]
},
"A/B Test Setup1": {
"main": [
[
{
"node": "AI Email Composer",
"type": "main",
"index": 0
}
]
]
},
"AI Email Composer": {
"main": [
[
{
"node": "Prepare Email Data1",
"type": "main",
"index": 0
}
]
]
},
"GPT-4o Mini Model": {
"ai_languageModel": [
[
{
"node": "AI Email Composer",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Set Tech Segment1": {
"main": [
[
{
"node": "A/B Test Setup1",
"type": "main",
"index": 0
}
]
]
},
"Update CRM Record1": {
"main": [
[
{
"node": "Aggregate Campaign Stats1",
"type": "main",
"index": 0
}
]
]
},
"Prepare Email Data1": {
"main": [
[
{
"node": "Verify Email (BillionVerify)",
"type": "main",
"index": 0
}
]
]
},
"Check If SMS Needed1": {
"main": [
[
{
"node": "Send SMS (HOT Leads)1",
"type": "main",
"index": 0
}
],
[
{
"node": "Update CRM Record1",
"type": "main",
"index": 0
}
]
]
},
"Healthcare Segment?1": {
"main": [
[
{
"node": "Set Healthcare Segment1",
"type": "main",
"index": 0
}
],
[
{
"node": "Set General Segment1",
"type": "main",
"index": 0
}
]
]
},
"Set General Segment1": {
"main": [
[
{
"node": "A/B Test Setup1",
"type": "main",
"index": 0
}
]
]
},
"Send SMS (HOT Leads)1": {
"main": [
[
{
"node": "Update CRM Record1",
"type": "main",
"index": 0
}
]
]
},
"Calculate Date Ranges1": {
"main": [
[
{
"node": "Fetch Cold Leads from Zoho",
"type": "main",
"index": 0
}
]
]
},
"Process & Score Leads1": {
"main": [
[
{
"node": "Filter High-Value Leads1",
"type": "main",
"index": 0
}
]
]
},
"Set Healthcare Segment1": {
"main": [
[
{
"node": "A/B Test Setup1",
"type": "main",
"index": 0
}
]
]
},
"Filter High-Value Leads1": {
"main": [
[
{
"node": "Tech Segment?1",
"type": "main",
"index": 0
}
]
]
},
"Fetch Cold Leads from Zoho": {
"main": [
[
{
"node": "Process & Score Leads1",
"type": "main",
"index": 0
}
]
]
},
"Schedule: Mon/Wed/Fri 9AM1": {
"main": [
[
{
"node": "Calculate Date Ranges1",
"type": "main",
"index": 0
}
]
]
},
"Verify Email (BillionVerify)": {
"main": [
[
{
"node": "IF deliverable",
"type": "main",
"index": 0
}
]
]
},
"IF deliverable": {
"main": [
[
{
"node": "Send Email1",
"type": "main",
"index": 0
}
],
[]
]
}
},
"settings": {
"executionOrder": "v1"
}
}Workflow templates with Zoho CRM
Ready-to-use workflows that verify emails before Zoho CRM sends.
How it works
- 1
Connect BillionVerify to Zoho CRM using the n8n community node, Integrately, or the BillionVerify REST API.
- 2
Choose a trigger — a new lead created, a contact updated, or a scheduled bulk verification run.
- 3
BillionVerify checks each email for syntax validity, DNS and SMTP deliverability, disposable domain status, role-account detection, and catch-all classification.
- 4
Write the verification result back to a custom field in the Zoho CRM lead or contact record.
- 5
Use the field to segment, suppress, or prioritize contacts in your sales and marketing workflows.
When to use this
Verify leads as they enter Zoho CRM
When a new lead is created in Zoho CRM through a web form, ad platform, or manual entry, BillionVerify validates the email address in real time and updates the lead record with the verification status.
Audit existing contact records
Run bulk verification across your Zoho CRM contact database to identify stale, invalid, or risky email addresses. Use the results to prioritize active contacts and suppress unreachable ones before your next outreach campaign.
Protect email campaigns from high bounce rates
Before syncing a Zoho CRM segment to an email marketing platform, verify the list through BillionVerify to remove problematic addresses and keep your campaign bounce rate within safe thresholds.
FAQ
Can BillionVerify update Zoho CRM contact fields automatically?
Yes. Using n8n or Integrately, you can build a workflow that writes the verification result — such as valid, invalid, or risky — directly back to a custom field on the lead or contact record in Zoho CRM.
How does verifying emails in Zoho CRM help my sales team?
Sales reps spend time on contacts they can actually reach. Filtering out invalid and unreachable addresses means fewer bounced emails, cleaner pipeline data, and higher reply rates on outreach sequences.
What is a role-based email address?
Role-based addresses like info@, sales@, or support@ are shared inboxes not tied to an individual. BillionVerify flags these because they typically have low engagement and high unsubscribe or spam-complaint rates.
How often should I run bulk verification on my Zoho CRM database?
A good practice is to verify new contacts immediately on entry and re-verify older segments every three to six months, as email addresses decay over time due to job changes and domain expirations.
Verify emails in Zoho CRM
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