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Arnott's – Good Time x Kopi Kenangan
A cross-brand receipt-upload reward powered by Grivy's multi-channel performance engine, turning verified Good Time purchases into Kopi Kenangan cashback.
Case Study

Good Time connected biscuit purchases to coffee moments by partnering with Kopi Kenangan, rewarding every verified Good Time receipt with Kopi Kenangan cashback through Grivy's multi-channel performance engine, and using real-time mechanism optimization to accelerate verified purchases well beyond the campaign goal.

25%
Engagement Rate. Strong mid-funnel interest driven by a compelling cross-brand reward and a clear call to upload.
67%
Receipt Approval Rate. High submission quality, indicating consumers clearly understood the purchase criteria and uploaded valid proof of purchase.
2.4x
Verified Receipt Target. Strong purchase participation, with verified receipts exceeding the campaign’s planned volume.

The Story

Pairing Biscuits With Coffee Moments

Good Time and coffee belong together, and few brands own the daily coffee moment in Indonesia like Kopi Kenangan. Good Time set out to turn that natural pairing into a purchase trigger: consumers who bought any Good Time Family Pack, in store or through official e-commerce and quick-commerce channels, could upload their receipt and receive a 30% cashback voucher redeemable at Kopi Kenangan outlets nationwide or in the Kopi Kenangan app. Running over two months, the campaign used verified receipts as its core measure, ensuring every reward was tied to a real Good Time purchase. 

The Goal

Drive verified purchases through a cross-brand reward

Good Time aimed to generate verified proof of purchase rather than passive engagement, using a lifestyle reward to motivate consumers to buy and submit their receipts. Beyond volume, the brand wanted to identify which channels delivered genuine buyers, understand where participation friction occurred, and learn how quickly the mechanism could be refined to convert interest into verified purchases.

The Solution

A receipt-upload reward journey with automated verification and WhatsApp voucher delivery, optimised in real time.

The Result

Turning a cross-brand reward into verified purchase momentum

The campaign surpassed its verified receipt goal by a wide margin, with the strongest growth arriving after Grivy simplified the participation mechanism mid-campaign. Expanding eligibility to all Good Time variants and streamlining the approval criteria removed the friction holding consumers back, triggering a sharp acceleration in verified submissions during the final weeks. The campaign also achieved the highest receipt approval rate among comparable receipt-based campaigns, confirming that clearer communication translated into higher-quality participation.

  • Verified receipts grew sharply after mechanism optimisation, proving that removing participation friction is the fastest lever for converting interest into proof of purchase.
  • The highest receipt approval rate among comparable campaigns validated communication clarity, as updated visuals and how-to content helped consumers submit valid receipts the first time.
  • Engagement outperformed the earlier receipt-based benchmark, showing the Kopi Kenangan reward created a compelling reason to participate.
  • Grivy Wallet contributed 73% of verified receipts, while Instagram supported upper-funnel performance and Samsung provided additional lower-funnel conversions.

These results prove that a well-matched cross-brand reward can turn everyday purchases into measurable engagement when the participation journey is kept simple. Good Time now holds a validated partnership model and a clear playbook for reducing friction in future receipt-based activations.

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