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E8: Payment Processing

Overview

Bounded Context / Service: Payment Service

Goal: Process payments securely via Stripe and manage deferred payment workflows.

Priority: High

Primary User Roles

  • Fan (for card payments)
  • Finance Admin (for deferred payments)

Scope

In-Scope

  • Stripe integration for card payments
  • Payment intent creation and confirmation
  • Refund processing via gateway
  • Service fee calculation (6% configurable)
  • VAT calculation (5% HOME, 0% AWAY; 25% on fee)
  • Deferred payment flag on quotas
  • Payment offer generation via e-racuni
  • Manual bank reconciliation
  • Invoice issuance after payment received
  • Credit note creation for refunds

Out-of-Scope

  • Multiple payment providers
  • Installment payments
  • Cryptocurrency payments

Features

ID Feature Size Description
E8-F1 Stripe Integration M Payment intent and webhooks
E8-F2 Service Fee Calculation S 6% fee with VAT
E8-F3 Refund Processing M Stripe refunds and credit notes
E8-F4 Deferred Payment Offer Generation M E-racuni payment offers
E8-F5 E-Racuni Integration M Croatian e-invoicing API

Dependencies

  • Stripe API
  • E-racuni API for invoicing
  • Ticket service for order management

Risks & Open Questions

OQ-E8-1: Stripe Configuration

What is the Stripe account configuration (test/live keys, webhook URLs)?

Blocking: Cannot proceed without credentials.

OQ-E8-2: E-Racuni API

What are the e-racuni API authentication and endpoint details?

Blocking: Cannot proceed without API access.

Last Updated: January 2026