Till slip campaigns connect marketing activity to verified purchase. With the right mechanics and technology, they can drive participation, protect campaign budgets and generate insight for the next decision.
Competitions are good at attracting attention. Till slip competitions add something more valuable: evidence that the customer has bought the qualifying product.
That direct connection between promotion and purchase makes proof-of-purchase campaigns useful across retail categories. They can encourage trial, support a product launch, increase basket value or give customers a reason to choose one brand over another. Their success, however, depends on far more than the prize.
Why the mechanic remains effective
A till slip campaign can work across multiple retailers without requiring a new point-of-sale integration at every store. The customer uses a receipt they already have, while the brand gains a verifiable link to a real transaction.
When the entry journey is clear and mobile-friendly, the mechanic can also be simple: buy, submit and receive a response. This gives brands an opportunity to reward customers close to the moment of purchase and continue the conversation afterwards.
A simple customer journey can still support structured rules and clear outcomes behind the scenes.
Six decisions behind a stronger campaign
- Start with a commercial objective. Define whether the campaign must drive trial, increase frequency, grow basket value, support a retailer or build a permissioned audience. The objective should determine the mechanic and the measurement plan.
- Keep the qualifying rules simple. Customers should quickly understand what to buy, when to buy it and what proof is required. Complexity increases invalid entries and avoidable support queries.
- Choose the right participation channel. A web upload, WhatsApp journey, QR-code entry or integrated brand experience can all work. The best choice is the one that fits the customer context and the wider campaign.
- Plan the reward moment. Instant feedback can sustain excitement, while delayed draws suit different budgets and prize structures. Whatever the model, communicate timing and eligibility clearly.
- Protect campaign integrity from the start. Unique-slip checks, automated rule validation and exception handling should be part of campaign design, not an afterthought once suspicious entries appear.
- Measure more than entries. A high entry count is not enough. Track valid participation, qualifying products, retailer and regional performance, validation speed, repeat engagement and the cost of each verified outcome.
Campaign mechanics work best when commercial purpose, simplicity, integrity and measurement are planned together.
What smarter receipt validation adds
SmartSlip.ai reads receipt images, extracts relevant transaction information and applies campaign rules automatically. This reduces the manual burden on campaign teams and makes it easier to give customers a prompt, consistent response.
The updated platform can support web, WhatsApp and API-enabled journeys. That means receipt validation can sit behind the customer experience a brand has already chosen, instead of forcing every campaign into the same format.
Useful measures for the campaign dashboard
- Valid entries compared with total submissions
- Duplicate, unreadable and non-qualifying receipts
- Qualifying products and basket combinations
- Participation by retailer, store, region and time period
- Repeat participation and reward fulfilment speed
- Cost per validated entry or completed reward
Smarter validation helps teams measure participation quality, not only entry volume.
Build the next campaign from real behaviour
The strongest till slip competition does two jobs. It creates a compelling reason to participate now, and it leaves the brand with better information for what comes next. By combining a simple customer journey with automated validation and structured transaction data, brands can turn a familiar promotion mechanic into a more measurable growth tool.
About SmartSlip.ai
SmartSlip.ai is a Brazen Labs product that uses AI-powered document intelligence to turn proof of purchase into validated campaign actions and useful transaction insight. The platform can support web, WhatsApp and API-enabled journeys, helping brands run simpler, more secure and more measurable promotions.
Find out more at smartslip.ai
