Redemption code design and risk controls

2026-05-13 · Gu Changge · Producer, YF Games

Redemption batches specify a channel, validity period and per-character claim limit. Claims and reward delivery are recorded separately.

Implementation and exception handling

Failure responses distinguish already claimed, expired and ineligible-channel codes to prevent repeated client retries.

Operations records

Design record YF-GAME-RFC-202604. The regular maintenance window is Wednesday, 22:00–23:00. Changes involving service interruptions are announced separately on the status page.

Related resources:Integration and operations documentation · Customer workspace · Service status