Evolving a coupon system from a monolith to a shared platform

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Evolving a coupon system from a monolith to a shared platform

2026-07-07 · Zhang Weiming · Head of Growth, YF Shop

Coupon templates, issuance records and redemption records are managed separately. Eligibility depends on product category and validity period.

Implementation and exception handling

Eligibility thresholds and remaining uses are rechecked at checkout. Refunds restore benefits according to the original order.

Operations records

Design record YF-SHOP-RFC-202602. The regular maintenance window is Wednesday, 22:00–23:00. Changes involving service interruptions are announced separately on the status page.