Pre-fill via URL Parameters

You can pre-fill form fields by adding query parameters to the page URL. Each parameter name corresponds to a field ID listed below.

Example:

https://docs.airenovationcalculator.com/apartment-rental?landlord_name=John+Smith&tenant_name=Jane+Doe&property_address=123+Main+St&monthly_rent=1500&lease_start_date=2025-01-01

Available parameters:

effective_date, landlord_name, landlord_address, landlord_phone, landlord_email, tenant_name, tenant_address, tenant_phone, tenant_email, property_address, lease_start_date, lease_end_date, renewal_notice_period, monthly_rent, rent_due_day, payment_method, late_payment_grace_period, late_fee_amount, late_fee_percentage, security_deposit_amount, max_occupants, utility_reconciliation_period, long_term_guest_notice_period, default_cure_period, termination_notice_period, holdover_notice_period, holdover_penalty, governing_state, dispute_county_state, arbitration_institution, venue_county_state

Generate a personalized rental contract for residential properties – perfect for both long-term and short-term rentals

Legal disclaimer:

All agreements and documents provided in this catalog:

  • are only private documents of the authors
  • do not constitute a recommendation of a model civil law agreement within the meaning of Polish law.

© 2026 Document Generator - Free for personal and commercial use