# Intro Surge Lending with Humberto Marquez

> Financing for short-term rental and investment properties Thanks for reaching out to Surge Lending. In this 30-minute call we will: Go over the property, your plans and how you want to hold title (personal name or LLC) Look at how the property qualifies on rental income (DSCR) instead of personal income Walk through down payment, reserves and credit requirements Outline next steps and what documents to have ready Surge Lending is a mortgage broker, not a direct lender. We arrange business-purpose loans for investment properties only (no primary residences). There are no upfront fees for this call.

- Host: Humberto Marquez
- Duration: 30 min
- Location: Google Meet, Attendee phone number
- Host time zone: America/Chicago
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/surge/intro-surge-lending
- Event type id: 7532132

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=7532132&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 7532132,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "loan-purpose": "…",
    "property-location": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `loan-purpose` (What are you financing?), `property-location` (Property city and state (or target market))
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.
- `location` is optional; without it the booking uses the event’s first location.