Authentication

All API calls require a valid API key in the X-KEY header.

Base URL

https://smtpghost.com/api/v1/

• The host is smtpghost.com

• All requests should be made with HTTPS

• All of our endpoints accept the POST method only

Obtaining Your API Key

1. Sign in to your SMTPGhost dashboard.

2. Navigate to My Account → API Settings.

3. Copy your API Key.

Request Header

You are required to add the header Content-Type: application/json

Header	Value	Required
Content-Type	application/json	Yes
X-KEY	<your-organization-api-key>	Yes

Example

curl -X POST https://smtpghost.com/api/v1/linkedin_finder \
  -H "Content-Type: application/json" \
  -H "X-KEY: EhMYEvKukPHppaynAMzExQ8i" \
  -d '{
    "linkedin_url": "https://www.linkedin.com/in/urrutia/"
  }'

Success Response (HTTP 200)

{
  "status": "success",
  "linkedin_url": "https://www.linkedin.com/in/urrutia/",
  "email_address": "[e-mail]",
  "email_status": "VALID",
  "account_type": "professional",
  "is_catch_all": false,
  "profile": {
    "linkedin_url": "...",
    "input_url": "...",
    "name": "Kevin Urrutia",
    // …other profile fields…
    "updated_at": "2025-05-16T12:10:46.874-04:00"
  }
}