Inbound Lead Qualification

Add Fuego to your site to qualify leads in real time, identify high-value prospects, and enrich your data with powerful domain intelligence.

  • ✓ Domain Intelligence - Reveal the company behind every email
  • ✓ Bulk Qualification - Upload and qualify your entire list
  • ✓ Real-time API - Qualify leads as you collect them
Start Qualifying Schedule A Demo
1000 free lead qualifications per month
[email protected]
↓
Fuego Result
Email Data
✓ Valid Format
✓ Valid MX Records
✓ Not Disposable
✓ Not Free
Domain Intelligence
Jupiter Mining Corporation
Mining Industry
58,000 Employees
United Kingdom (UK)
Ticker: JMC
★★★★★
SL

Sarah Lee

CMO at MarketPro

"Fuego cut our wasted sales time by 60%. The domain intelligence has been a game-changer for our B2B campaigns!"

How Fuego Works

Qualify leads and get powerful domain intelligence in one step

Input Email

[email protected]

Qualify leads at signup, in your CRM, or before sending campaigns.

Fast, accurate, and works with all major platforms.

→

Qualification Results

Email Status

  • ✓ Valid Format: Yes
  • ✓ Valid MX: Yes
  • ✓ Disposable: No
  • ✓ Free Email: No

Domain Intelligence

  • ⚙ Company: Jupiter Mining Corporation
  • ⚙ Industry: Mining
  • ⚙ Employees: 58,000
  • ⚙ Location: United Kingdom
★★★★★
AP

Alex Patel

Lead Developer at MarketCo

"Domain intelligence is a game-changer. Our sales team now gets instant company info on new leads, which helps them personalize outreach immediately."
DEVELOPER API

Developer-friendly API Integration

Simple, reliable, and powerful lead qualification for your applications

/api/v1/qualify
GET /api/v1/[email protected]

# Response

{
  "email": "[email protected]",
  "valid_format": true,
  "valid_mx": true,
  "free": false,
  "disposable": false,
  "did_you_mean": null,
  "domain": "jmc.com",
  "user": "kochanski",
  "success": true,
  "domain_insight": {
    "category": "organization",
    "name": "Jupiter Mining Corporation",
    "industry": "Mining",
    "country": "UK",
    "ticker": "JMC",
    "employees": 58000,
    "description": "Jupiter Mining Corporation is a leading interplanetary mining company specializing in resource extraction operations across the solar system."
  }
}

Real-time Qualification API

  • 1

    Easy Integration

    Simple REST API with comprehensive documentation and examples in multiple languages.

  • 2

    Lightning Fast

    Sub-second response times ensure your applications and workflows stay responsive.

  • 3

    Rich Data Response

    Get comprehensive validation results plus powerful domain intelligence in a single call.

★★★★★
MJ

Michael Johnson

CTO at TechStartup

"The Fuego API is incredibly fast and reliable. We integrated it into our signup flow and reduced fake accounts by 78%. The documentation is excellent too."
BULK PROCESSING

Bulk Lead Qualification

Clean, qualify, and enhance your lead data in bulk

leads.csv
Marketing Leads
email name
[email protected] Dave Lister
[email protected] Arnold Rimmer
[email protected] The Cat
[email protected] Kryten
verified_leads.csv
Verified Results
email valid company
[email protected] ✓ JMC
[email protected] ✓ JMC
[email protected] ✓ JMC
📄
Drop your CSV file here
or click to browse

Bulk Lead Qualification

  • 1

    Upload Your List

    Simply upload your CSV, Excel, or text file with email addresses.

  • 2

    Automatic Verification

    Our system qualifies each lead and enriches with domain intelligence.

  • 3

    Download Enhanced Data

    Get your fully qualified list with detailed company information for each lead.

Learn More Try Demo Upload
★★★★★
JD

Jennifer Davis

Email Marketing Lead at Enterprise Co.

"We processed over 5 million emails through Fuego. The domain intelligence transformed our approach to lead prioritization, and our sales team loves having company data before making the first call."
WHY FUEGO

Why Choose Fuego?

What makes us different from other lead qualification services

⚡

Fast Response Times

Under 500ms response times (p95) ensure your applications and workflows stay lightning fast.

🔍

High Quality Data

Highly accurate qualification results and rich domain intelligence you can trust for decision-making.

💰

Fair Pricing

Transparent pricing with no hidden fees or surprise charges. Pay only for what you need.

🛡️

Money-Back Guarantee

Try Fuego risk-free with our 7-day money-back guarantee. Your satisfaction is our priority.

★★★★★
RM

Robert Miller

Email Specialist at GrowthCo

"What impressed me most about Fuego was their ethical approach. They actually took the time to understand our data collection practices before letting us use their service. That level of integrity is rare."

Ready to Qualify Your Leads?

Start qualifying leads and gaining domain insights today with our powerful qualification tools.

1000 requests free on signup
Start Qualifying Today Schedule A Demo