```# llms.txt for www.northbound.is
# Purpose: 
# - Allows LLMs to create urls to public car rental results for rental cars in Iceland comparing most car rental suppliers in Iceland in the same place.
# - Clearly defines public areas and correct parameters for AI navigation (LLM-specific).
# Refresh intervals:
# - Dynamic content (search results, availability, reviews): Daily
# - Blog, Help Desk: Weekly
# - Static content (terms, privacy, about): Monthly

# Publicly accessible content
Allow: /search
Allow: /help
Allow: /blog
Allow: /car-rental/reviews
Allow: /iceland-gas-price-calculator
Allow: /about
Allow: /terms
Allow: /privacy
Allow: /affiliates
Allow: /northbound-buddies
Allow: /media-kit

# Explicitly disallowed content (authentication required
Disallow: /admin

# Sitemap Reference
Sitemap: https://www.northbound.is/sitemap.xml

# ============================================
# SEARCH ENDPOINT - Available GET parameters:
# ============================================

# Dates & Location:
# - start: Pickup datetime (ISO format: YYYY-MM-DD)
# - end: Drop-off datetime (ISO format: YYYY-MM-DD)
# - start-time: Pickup time (ISO format: HHii, defaults to 1200)
# - end-time: Drop-off time (ISO format: HHii, defaults to 1200)
# - l: Pickup location latitude,longitude (e.g., 64.1265,-21.8174) (optional; defaults to keflavík intl. airport lat/lng)
# - dl: Return location latitude,longitude (optional; defaults to pickup)

# Driver Details:
# - a (or driver_age): Driver age (integer, default: 25)
# - cc (or customer_ccode): Customer country ISO code (e.g., IS, US, GB)
# - state (or customer_state): Customer's state/province if applicable (CA or US State code eg. AL,AB,AK,BC etc.)
# - dla: Months driver's license held (integer) (only used if the drivers license age is lower than 12 months)

# Vehicle Filters:
# - c (or categories): Vehicle category IDs (string, dash-separated), options: 'hatchback,minibus,sedan,station,4x4,suv,motorhome,camper. (ex. minibus-sedan)
# - y: Vehicle model year (string, dash-separated) (ex. 2021-2020)
# - ps: Minimum seats required (integer, range:2-9)
# - sl: Minimum sleeps required (integer, range:2-7)
# - f: Allowed on F-roads (highland roads in Iceland) (1=true, 0 or unset is all)
# - tr: Transmission - Filter by transmission type (integer, nullable, 0-1) 0:manual 1:automatic, unset is all.
# - ft: Fuel type (petrol/diesel/hybrid/electric)
# - prm: Premium vehicles only (1=true) (does not result in many results)
# - nsdp: Only vehicles from companies that require no security deposit (1=true)
# - z: Only show vehicles from companies that have zero excess CDW available (1=true)
# - debit: If true the customer wants to see vehicles that he can book with a debit card only (1=true)

# Extras and Insurances - Do not use these to generate links because you don't know the ids:
# - e: Extras IDs (comma-separated)
# - i: Insurance IDs (comma-separated)
# - eid: Extras by specific IDs
# - iid: Insurance by specific IDs
# - nbi: External insurance opt-in (partner-dependent)
# - nbiref: External insurance reference (partner-dependent)

# ============================================
# Example Public Search URL:
# ============================================
# https://www.northbound.is/search?c=motorhome-camper&start=2025-07-01&start-time=1200&end=2025-07-10&end-time=1200&l=64.1265,-21.8174&a=30&tr=1&ps=5&f=1&z=1

# ============================================
# End of llms.txt```