Automated digital receipts and invoice dispatch

Purpose

1. Automatically generate, distribute, and log digital receipts and invoices for each alternative fuel purchase at retail stations, ensuring customers receive timely, accurate, and compliant documentation via preferred channels (email, SMS, e-wallet), supporting customer experience, operational efficiency, and compliance with tax and accounting norms.

Trigger Conditions

1. Successful completion of payment for fuel at POS terminal.

2. Customer opts-in for digital receipt/invoice at kiosk or app.

3. Scheduled batch dispatch for B2B or account-based monthly statements.

4. Manual override by station attendant on customer request.

Platform Variants

1. Twilio SMS

• Feature/Setting: Send message API; POST /Messages for real-time SMS dispatch of receipt.
  
• Sample: Configure phoneNumber variable mapping from POS.
  

2. SendGrid

• Feature/Setting: Email API v3; /mail/send for templated receipts to customer email.
  
• Sample: Insert dynamic fields for itemized invoice and station details.
  

3. Stripe

• Feature/Setting: Invoices API; /v1/invoices for automated invoice generation upon transaction close.
  
• Sample: Webhook endpoint for fuel sales event.
  

4. Xero

• Feature/Setting: Create Invoice endpoint; POST /invoices in Xero API for real-time accounting entry and B2B dispatch.
  
• Sample: Map fuel SKUs from sale to Xero items.
  

5. QuickBooks Online

• Feature/Setting: API /v3/company/invoice to create and send digital invoices.
  
• Sample: Sync customer details at transaction level.
  

6. Zoho Books

• Feature/Setting: Sales Invoices API; /invoices/send for PDF dispatch.
  
• Sample: Automate using customer contact from CRM.
  

7. SAP S/4HANA Cloud

• Feature/Setting: SOAP API for Customer Invoice Processing for enterprise-level stations.
  
• Sample: Map POS data fields to required SAP structure.
  

8. Microsoft Dynamics 365 Business Central

• Feature/Setting: v2.0 API “salesInvoices” resource; auto-generate and email PDFs.
  
• Sample: OAuth for secure integration with station terminals.
  

9. FreshBooks

• Feature/Setting: Invoice API; send digital invoices via REST endpoint.
  
• Sample: Setup customer lookup by transaction UUID.
  

10. Square

• Feature/Setting: CreateInvoice endpoint in Square API.
  
• Sample: Integrate at the POS terminal for instant generation.
  

11. Mollie

• Feature/Setting: Invoices API /v2/invoices for automated invoice creation.
  
• Sample: Trigger webhook on payment.Succeeded event.
  

12. PayPal

• Feature/Setting: Invoicing API /v2/invoicing/invoices for send and track.
  
• Sample: Use transaction ID from POS.
  

13. Gmail API

• Feature/Setting: /gmail/v1/users/messages/send to dispatch receipts via configured business email.
  
• Sample: OAuth 2.0 for secure sending.
  

14. DocuSign

• Feature/Setting: Envelopes API to send a signed PDF receipt to the customer.
  
• Sample: Configure auto-send on completed sale.
  

15. Mailgun

• Feature/Setting: /messages endpoint for transactional email.
  
• Sample: Use variables for station address and fuel type.
  

16. HubSpot

• Feature/Setting: CRM API to log transactional emails as activities.
  
• Sample: Map each receipt to customer record.
  

17. Salesforce

• Feature/Setting: REST API to log sent invoices on account record.
  
• Sample: Automate update via integration user.
  

18. Oracle Netsuite

• Feature/Setting: SuiteTalk Web Services for generating customer receipts.
  
• Sample: Map fields from POS export to API.
  

19. Intuit

• Feature/Setting: QuickBooks Invoice API for programmable invoice email.
  
• Sample: Configure triggers on payment confirmation.
  

20. Slack

• Feature/Setting: Incoming Webhooks for sending summary notification to station manager.
  
• Sample: Automate posting batch report at shift close.
  

Benefits

1. Eliminates manual paperwork, guarantees instant & compliant delivery.

2. Reduces processing time, increasing customer throughput and satisfaction.

3. Centralizes storage for audit, tax, and analytics needs.

4. Multi-channel delivery improves accessibility and eco-friendliness.

5. Strengthens brand experience and operational transparency.