curl -X POST https://credzu.com/wp-json/credzu/v1/create-lead \
  -H "Content-Type: application/json" \
  -H "Authorization: Credzu-Key YOUR_API_KEY" \
  -d '{
    "partner_lead_id": "FBHL-55672",
    "first_name": "John",
    "last_name": "Smith",
    "email": "john.smith@example.com",
    "phone": "555-333-2222",
    "fico_range": "580-619",
    "loan_officer_id": "A.GLADSTONE",
    "notes": "Declined for credit reasons - 48% DTI, low mid-score"
  }'

<?php
function send_to_credzu($lead) {
    $endpoint = "https://credzu.com/wp-json/credzu/v1/create-lead";
    $apiKey = "YOUR_API_KEY";

    $payload = array(
        "partner_lead_id" => $lead["id"],
        "first_name" => $lead["first_name"],
        "last_name" => $lead["last_name"],
        "email" => $lead["email"],
        "phone" => $lead["phone"],
        "fico_range" => isset($lead["fico_range"]) ? $lead["fico_range"] : null,
        "loan_officer_id" => isset($lead["loan_officer_id"]) ? $lead["loan_officer_id"] : null,
        "notes" => isset($lead["notes"]) ? $lead["notes"] : null
    );

    $ch = curl_init($endpoint);
    curl_setopt_array($ch, array(
        CURLOPT_POST => true,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_HTTPHEADER => array(
            "Content-Type: application/json",
            "Authorization: Credzu-Key " . $apiKey
        ),
        CURLOPT_POSTFIELDS => json_encode($payload)
    ));

    $response = curl_exec($ch);
    $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    return json_decode($response, true);
}

{
  "success": true,
  "message": "Lead created",
  "lead_id": 44921,
  "partner_lead_id": "FBHL-55672"
}

{
  "success": false,
  "error": {
    "code": "INVALID_PAYLOAD",
    "message": "first_name is required"
  }
}

{
  "success": false,
  "error": {
    "code": "AUTH_FAILED",
    "message": "Invalid API key"
  }
}