curl -X POST "https://server.smartlead.ai/api/v1/campaigns/123/send-test-email?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "leadId": 789,
    "sequenceNumber": 1,
    "customEmailAddress": "test@mycompany.com"
  }'

import requests

API_KEY = "YOUR_API_KEY"

def send_test_email(campaign_id, lead_id, sequence_num, test_email=None):
    payload = {
        "leadId": lead_id,
        "sequenceNumber": sequence_num
    }
    
    if test_email:
        payload["customEmailAddress"] = test_email
    
    response = requests.post(
        f"https://server.smartlead.ai/api/v1/campaigns/{campaign_id}/send-test-email",
        params={"api_key": API_KEY},
        json=payload
    )
    
    if response.status_code == 200:
        print(f"✅ Test email sent to {test_email or 'lead email'}")
    
    return response.json()

# Send test to yourself
send_test_email(123, 789, 1, "myself@mycompany.com")

const API_KEY = 'YOUR_API_KEY';

async function sendTestEmail(campaignId, leadId, sequenceNum, testEmail) {
  const payload = {
    leadId,
    sequenceNumber: sequenceNum,
    customEmailAddress: testEmail
  };
  
  const response = await fetch(
    `https://server.smartlead.ai/api/v1/campaigns/${campaignId}/send-test-email?api_key=${API_KEY}`,
    {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(payload)
    }
  );
  
  return response.json();
}

await sendTestEmail(123, 789, 1, 'test@mycompany.com');

{
  "success": true,
  "message": "Test email sent successfully"
}