Fast Email Validator — Bulk Email Verification & Lead Validation

⚡ Validate email leads in bulk with high speed and accuracy. Detect invalid, disposable, catch-all, and risky addresses to keep your data clean and improve email deliverability.

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🚀 Overview

Fast Email Validator is a high-performance Apify Actor built for marketers, sales teams, and growth hackers who need to clean and verify email lists at scale. Designed for speed and accuracy, it helps you:

• ✅ Reduce bounce rates and protect your sender reputation
• ✅ Filter out disposable, temporary, and risky email addresses
• ✅ Detect catch-all domains and privacy-protected addresses
• ✅ Enrich leads with provider identification and MX record data

Ideal for lead generation, email marketing campaigns, CRM data hygiene, and cold sales outreach automation.

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✨ Key Features

Feature	Description
⚡ Bulk Validation at Scale	Process thousands of emails in minutes — no more manual checks
🎯 Higher Deliverability	Remove invalid addresses before sending to improve inbox placement
💰 Cost Efficiency	Pay only for validated emails; stop wasting ad spend on bad leads
🔍 Rich Data Enrichment	Get provider info, MX records, and risk flags to segment leads smarter
🔄 Seamless Automation	Integrate via Apify API, webhooks, or Apify Integrations
🤖 AI & Agent Ready	Connect to Apify's MCP Server for AI agents, LLM pipelines, and autonomous workflows

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📥 Input Format

Provide a JSON object with an array of email addresses to validate. You can configure the input through the Apify Console or programmatically via the Actor API.

{
  "emails": [
    "support@zuplo.com",
    "mobile@anthropic.com",
    "julian@anthropic.com"
  ]
}

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📤 Output Format

Each validated email returns a detailed JSON object with deliverability signals, MX records, and risk flags.

Example Response

[
  {
    "domain": "zuplo.com",
    "email": "support@zuplo.com",
    "role": true,
    "mx": true,
    "deliverable": true,
    "catchall": false,
    "provider": "Google Workspace",
    "disposable": false,
    "privacy": false,
    "mx_record": {
      "aspmx.l.google.com": 1,
      "alt1.aspmx.l.google.com": 5,
      "alt2.aspmx.l.google.com": 5,
      "alt3.aspmx.l.google.com": 10,
      "alt4.aspmx.l.google.com": 10
    }
  },
  {
    "domain": "anthropic.com",
    "email": "mobile@anthropic.com",
    "role": false,
    "mx": true,
    "deliverable": true,
    "catchall": true,
    "provider": "Google Workspace",
    "disposable": false,
    "privacy": false,
    "mx_record": {
      "aspmx.l.google.com": 1,
      "alt1.aspmx.l.google.com": 5,
      "alt2.aspmx.l.google.com": 5,
      "alt3.aspmx.l.google.com": 10,
      "alt4.aspmx.l.google.com": 10
    }
  }
]

🔑 Output Fields Reference

Field	Type	Description
email	string	The validated email address
domain	string	The domain portion of the email address
deliverable	boolean	true if the address is syntactically valid, has MX records, and accepts mail at the SMTP level
mx	boolean	true if the domain has valid MX (Mail Exchange) DNS records
catchall	boolean	true if the domain accepts mail for any address, making individual mailbox verification unreliable
role	boolean	true if the address is a role-based account (e.g. support@, info@, admin@)
disposable	boolean	true if the address belongs to a known disposable/temporary email service
privacy	boolean	true if the address uses a privacy-protection or masking service
provider	string	The detected email service provider (e.g. Google Workspace, Microsoft 365)
mx_record	object	A map of MX hostnames to their priority values as returned by DNS

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💰 Pricing

Validation is priced per email with automatic volume discounts. See Apify Platform Pricing for plan details and Usage & Billing for how Actor consumption is calculated.

Tier	Price Per Email
No discount	$0.008
🥉 Bronze discount	$0.007
🥈 Silver discount	$0.006
🥇 Gold discount	$0.005

🎁 Pro Tip: Upgrade your Apify subscription plan to unlock automatic volume discounts and priority processing.

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🛠️ How to Use

1. Via Apify Console

1. Go to Fast Email Validator on Apify Store
2. Click Start to open the Actor input
3. Paste your email list in JSON format into the input field
4. Click Run and monitor progress in real-time from the run log

📖 New to Apify? Read the Getting Started Guide to learn how to run your first Actor.

2. Via Apify API

Use the Apify API to trigger validation programmatically. This is ideal for integrating email verification into your existing pipelines, CRMs, or automation tools.

curl -X POST "https://api.apify.com/v2/acts/dxbear~fast-email-validator/runs" \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "emails": [
      "support@zuplo.com",
      "mobile@anthropic.com"
    ]
  }'

📖 For full API reference, see the Apify API v2 Documentation.

3. Via Apify Client (JavaScript / Node.js)

If you're building custom scrapers or automation scripts, you can call the Actor directly using the Apify JavaScript Client:

import { ApifyClient } from 'apify-client';

const client = new ApifyClient({ token: 'YOUR_API_TOKEN' });

const run = await client.actor('dxbear/fast-email-validator').call({
  emails: ['support@zuplo.com', 'mobile@anthropic.com'],
});

const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

4. Schedule Recurring Validations

Use Apify Schedules to run the Actor periodically — perfect for ongoing CRM hygiene and list maintenance.

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🤖 AI Agent & MCP Server Integration

Fast Email Validator is fully compatible with Apify's MCP Server, enabling seamless integration with AI-powered workflows:

• 🧠 AI Agents — Let autonomous agents validate leads during research or outreach
• 🔄 LLM Pipelines — Pre-clean data before feeding into RAG systems or prompt chains
• ⚙️ Agentic Workflows — Build self-correcting lead qualification loops

Example use case:

An AI sales agent scrapes LinkedIn → validates emails in real-time → only engages with deliverable, non-role addresses → logs qualified leads to your CRM.

🔗 Learn more: Apify MCP Server Documentation

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🎯 Ideal Use Cases

• Cold Email Campaigns — Clean your prospect list before sending to avoid spam traps and protect domain reputation
• Lead Magnet Forms — Validate emails at point-of-capture to improve database quality
• CRM Data Hygiene — Periodically audit and update contact records to reduce stale data
• Ad Audience Building — Ensure lookalike audiences are built on verified, deliverable emails
• Partnership Outreach — Verify contact emails before reaching out to potential partners
• B2B Lead Generation — Pair with Apify Scrapers to build and validate lead lists end-to-end

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📊 Performance Tips

• ✅ Batch emails in groups of 500–1,000 for optimal throughput
• ✅ Filter early — Remove obviously invalid formats before sending to the Actor to save on usage
• ✅ Use webhooks — Get instant notifications when validation completes via Apify Webhooks
• ✅ Cache results — Store validation outcomes in the Apify Dataset or your own database to avoid re-checking
• ✅ Schedule runs — Automate recurring validations with Apify Schedules

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❓ Frequently Asked Questions

Q: How fast is the email validation? A: Typically 40–50 emails per minute depending on domain complexity, MX server response times, and network conditions.

Q: Does this check if an inbox is full or inactive? A: We perform SMTP-level checks where possible, but cannot guarantee 100% deliverability due to server policies. A deliverable: true result means the address is syntactically valid, has MX records, and accepts mail at the protocol level.

Q: Can I use this for GDPR-compliant workflows? A: Yes. We do not store your email data beyond the run duration. Always ensure you have a lawful basis for processing personal data under applicable regulations. See Apify's Security & Compliance for more details.

Q: What happens with catch-all domains? A: Catch-all domains accept mail for any address, making individual mailbox verification impossible. These are flagged with catchall: true so you can handle them according to your risk tolerance.

Q: Is there a limit on how many emails I can validate? A: There is no hard limit. The Actor will process as many emails as you provide, constrained only by your Apify plan's usage limits.

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🔗 Integrations & Resources

Resource	Link
📚 Apify Actor Documentation	docs.apify.com/platform/actors
🔌 Apify API v2 Reference	docs.apify.com/api/v2
🤖 Apify MCP Server	docs.apify.com/platform/integrations/mcp
💻 Apify JS Client	docs.apify.com/api/client/js
🗄️ Apify Dataset Storage	docs.apify.com/platform/storage/dataset
⏱️ Apify Schedules	docs.apify.com/platform/schedules
🔗 Apify Webhooks	docs.apify.com/platform/integrations/webhooks
💰 Apify Pricing	apify.com/pricing
🛡️ Security & Compliance	docs.apify.com/platform/security
💬 Apify Community (Discord)	discord.gg/jyEM2PRvMU

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🤝 Support & Contributions

• 📚 Docs: Apify Actor Documentation
• 💬 Community: Apify Discord Server
• 🐛 Bug Reports: Open an issue on the Actor page
• ✉️ Contact: Reach out via the Actor's Apify Store page
• ✨ Feature Requests: Open a discussion or issue with the enhancement label

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🔐 Data Privacy Notice: Fast Email Validator processes emails transiently. No email content or metadata is retained after the Actor run completes. For full details, see Apify's Privacy Policy and Security Documentation.

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Ready to clean your leads and boost campaign performance?

▶️ Run Fast Email Validator on Apify

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