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POST
/
v2
/
dte
Company Email Finder API
curl --request POST \
  --url https://api.cufinder.io/v2/dte \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "company_website": "<string>"
}
'

​
Common Use Cases

Sales, marketing, and support teams reach for this endpoint whenever they have a company but no way to email it.
  • CRM Enrichment: Automatically filling empty email fields in HubSpot or Salesforce.
  • Sales Prospecting: Adding verified role-based addresses to cold email and SDR sequences.
  • Lead List Building: Turning a batch of company names or domains into a contactable prospect list.
  • Support Routing: Directing inbound questions to the right support@ or contact@ inbox.
  • Data Hygiene: Replacing bounced or outdated company emails to protect deliverability.
  • Customer Onboarding: Attaching a company email to new signups so sales can follow up.
Credit usage is 1 per record found.

​
Attributes

​
company_website
string
required
Company name or Company domain or Company LinkedIn URL

​
Response

{
    "status": 1,
    "data": {
        "confidence_level": 97,
        "query": "cufinder.io",
        "emails": [
            "info@cufinder.io",
            "marketing@cufinder.io",
            "webmaster@cufinder.io"
        ],
        "credit_count": 9981
    }
}

​
Company Email Finder API Typescript SDK

import { Cufinder } from '@cufinder/cufinder-ts';

// Initialize the client
const client = new Cufinder('your-api-key-here');

// Initialize with more options
const client = new Cufinder('your-api-key-here', { timeout: 60000 });

const result = await client.dte('cufinder.io');
console.log(result);

​
Company Email Finder API Python SDK

from cufinder import Cufinder

# Initialize the client
client = Cufinder('your-api-key-here')

# Initialize with more options
client = Cufinder('your-api-key-here', timeout=60)

result = client.dte('cufinder.io')
print(result)

​
Company Email Finder API Go SDK

package main

import (
    "fmt"
    "log"
    
    "github.com/cufinder/cufinder-go"
)

func main() {
    // Initialize the client
    sdk := cufinder.NewSDK("your-api-key-here")
    
    // Initialize with more options
    sdk := cufinder.NewSDKWithConfig(cufinder.ClientConfig{
        APIKey:     "your-api-key-here",
        BaseURL:    "https://api.cufinder.io/v2",
        Timeout:    60 * time.Second,
        MaxRetries: 3,
    })
}
result, err := sdk.DTE("cufinder.io")
if err != nil {
    log.Fatal(err)
}
fmt.Println(result)

​
Company Email Finder API Ruby SDK

require 'cufinder_ruby'

# Initialize the client
client = Cufinder::Client.new(api_key: 'your-api-key-here')

# Initialize with more options
client = Cufinder::Client.new(
    api_key: 'your-api-key-here',
    timeout: 60,
    max_retries: 3
)

result = client.dte(company_website: 'cufinder.io')
puts result

​
Company Email Finder API Rust SDK

use cufinder_rust::CufinderSDK;

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Initialize the client
    let sdk = CufinderSDK::new("your-api-key-here".to_string())?;
    
    // Initialize with more options
    let sdk = CufinderSDK::with_config(ClientConfig {
        api_key: "your-api-key-here".to_string(),
        base_url: "https://api.cufinder.io/v2".to_string(),
        timeout: Duration::from_secs(60),
        max_retries: 3,
    })?;
    
    Ok(())
}

let result = sdk.dte("cufinder.io").await?;
println!("{:?}", result);

Company Phone Finder

Find a company’s phone numbers.

LinkedIn Company URL Finder

Find a company’s LinkedIn page URL.

Person Enrichment

Enrich a person with full contact data.

Company Enrichment

Enrich a company with full firmographics.