Automatic invoice generation and payment reminders

Purpose

1. Automate the creation of invoices and delivery of payment reminders for bookings, services, or tours in ghost town tourism for reduced manual effort, improved financial accuracy, consistent cashflow, and increased payment rates.

2. Automating eliminates overlooked invoices, reduces admin error, supports various payment methods, schedules recurring billing, and ensures compliance through audit trails.

3. The automation handles guest bookings, vendor payments, seasonal event billing, and custom group package arrangements for the ghost town’s recreation operations.

Trigger Conditions

1. New booking confirmation in reservation system.

2. Completion of a guest’s stay, activity, or group tour.

3. Manual staff request for custom invoice.

4. Recurring monthly or seasonal contract renewal.

5. Invoice overdue by X days, based on accounting records.

6. Cancellation or change requiring pro-rata invoice adjustment.

Platform Variants

1. QuickBooks

• Function/API: Create Invoice — configure automation to generate invoices on new reservation event; set reminder workflow using Send Invoice Reminder API
  

2. Xero

• Function/API: Create & Email Invoice endpoint — trigger invoice generation and automated email at booking confirmation
  

3. Zoho Books

• Function/API: Invoices.Create and Invoices.Reminder APIs — automate new guest billing and scheduled automated reminders
  

4. Stripe

• Feature: Invoicing API — auto-generate and send invoices; schedule overdue reminders through Billing webhook
  

5. PayPal Invoicing

• Feature: CreateInvoice and SendInvoice APIs — automate guest invoice creation and send reminders for unpaid invoices
  

6. FreshBooks

• Setting: Invoice Auto-Schedule — set up auto-create invoice on event scheduling; email payment reminders triggered by due date
  

7. Sage Business Cloud Accounting

• Feature: Invoice & Reminder API — automate invoice issuing and periodic reminder email flow
  

8. Wave

• Setting: Recurring Invoices — configure automated booking-triggered invoice and overdue reminders via API
  

9. Square

• Feature: Invoices API — auto-generate invoice on guest confirmation and automate follow-up reminders
  

10. Microsoft Dynamics 365

• Function: Invoice Automation via Power Automate — auto-create invoice and automate reminder workflow with scheduled triggers
  

11. Salesforce

• Setting: Billing/Invoice Object + Process Builder — automate invoice record creation, automated emails for reminders
  

12. Odoo

• Feature: Sales/Invoicing automation — auto-generate invoice on order and schedule payment reminders
  

13. SAP

• Module: FI – Automated Invoice Processing — generate invoice and trigger automated dunning/reminder flow
  

14. Intuit Mailchimp

• Feature: Transactional Email API — automate invoice and payment reminder emails integrated with booking data
  

15. Smartsheet

• Integration: Automated Invoice Template & Reminder Workflow — automate invoice rows and email reminders based on triggers
  

16. Trello

• Add-on: Planyway or Butler Automation — track invoice cards, automate status, and reminder messaging
  

17. Monday.com

• Feature: Automated Item Updates — auto-create invoice tasks and scheduled reminders using integrations
  

18. Google Workspace (Sheets + Gmail)

• Custom Script: Google Apps Script to automate invoice entries in Sheets and send reminder emails from Gmail
  

19. DocuSign

• Workflow: Automated Invoice Delivery and Follow-Up — send invoice for e-signature and programmatically send reminders
  

20. Slack

• App: Workflow Builder + Third-party integration — automate invoice notification and reminders in team channels
  

21. HubSpot

• CRM Workflow: Deal triggers create new invoice and automate email reminders via connected invoicing app
  

22. Pabbly

• Automation: Trigger automated invoice and payment reminders using inbuilt automation and webhook triggers
  

Benefits

1. Automates repetitive invoicing and follow-ups, reducing human error and admin workload.

2. Automated reminders optimize cashflow and minimize missed payments.

3. Automation improves guest experience with prompt, clear billing and no manual delays.

4. Supports scaling up operations without proportional admin cost increase.

5. Automates compliance record-keeping, offering clear audit logs.

6. Automatable for custom packages, enabling flexible billing for unique ghost town events.

7. Centralizes financial communication for transparent admin and guest relations.