Email API
Similar Domains
Find similar and competitor domains for any company, with names and industry classifications.
POST
$0.02/call/v1/email/similarUsage
const res = await fetch('https://api.yepapi.com/v1/email/similar', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({ domain: 'stripe.com' }),
});
const { data } = await res.json();
console.log(data);curl -X POST https://api.yepapi.com/v1/email/similar \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain": "stripe.com"}'Request Body
| Parameter | Type | Required | Description | Default |
|---|---|---|---|---|
domain | string | Yes | Domain to find similar companies for (e.g., stripe.com) | — |
Response
{
"data": {
"domains": [
{
"domain": "fairbit.com",
"industry": "Information Technology and Services",
"name": "Fairbit"
},
{
"domain": "t1payments.com",
"industry": "Financial Services",
"name": "T1 Payments"
},
{
"domain": "victorypayments.com",
"industry": "Financial Services",
"name": "Victory Payments"
},
{
"domain": "woocommerce.com",
"industry": "Information Technology and Services",
"name": "..."
},
{
"domain": "shopify.com",
"industry": "Information Technology and Services",
"name": "Shopify"
},
{
"domain": "paypal.com",
"industry": "Information Technology and Services",
"name": "PayPal"
},
{
"domain": "adyen.com",
"industry": "Financial Services",
"name": "Adyen"
},
{
"domain": "payliance.com",
"industry": "Financial Services",
"name": "Payliance"
},
{
"domain": "nationaltransaction.com",
"industry": "Banking",
"name": "National Transaction"
},
{
"domain": "signaturecard.com",
"industry": "Financial Services",
"name": "Signature Card"
},
{
"domain": "gotobilling.com",
"industry": "Financial Services",
"name": "OmniFund"
},
{
"domain": "playspan.com",
"industry": "Computer Games",
"name": "PlaySpan"
},
{
"domain": "pplocal.com",
"industry": "Financial Services",
"name": "pplocal.com"
},
{
"domain": "paybear.io",
"industry": "Financial Services",
"name": "PayBear"
},
{
"domain": "capitalmerchantservicestx.com",
"industry": null,
"name": "..."
},
{
"domain": "inoviopay.com",
"industry": "Financial Services",
"name": "Inovio"
},
{
"domain": "kapitalinc.com",
"industry": "Financial Services",
"name": "Kapital Solutions"
},
{
"domain": "cybersource.com.au",
"industry": null,
"name": null
},
{
"domain": "kassa.com",
"industry": null,
"name": "kassa.com"
},
{
"domain": "acqualtscards.com",
"industry": "Financial Services",
"name": "Acqualtscards"
},
{
"domain": "switchio.com",
"industry": "Information Services",
"name": "Switchio"
},
{
"domain": "paymentoptions.com",
"industry": "Financial Services",
"name": "payment options"
},
{
"domain": "kashier.io",
"industry": "Financial Services",
"name": "Kashier"
},
{
"domain": "visionpay.com.au",
"industry": "Software Development",
"name": "VisionPay"
},
{
"domain": "paymore.org",
"industry": null,
"name": null
}
]
},
"ok": true
}Response Fields
| Field | Type | Description |
|---|---|---|
ok | boolean | Whether the request succeeded |
data.domains | object[] | Similar and competitor domains |
data.domains[].domain | string | The similar domain |
data.domains[].name | string | null | Company name, when known |
data.domains[].industry | string | null | Industry classification, when known |
Under the Hood
Great for building prospect lists — feed each similar domain into Domain Search or Company Enrichment to expand your outreach.