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Card-Linked Offers for Retailers: What Every Affiliate Manager Should Know Before Launching a CLO Campaign

Card-linked offers are becoming an increasingly popular part of affiliate marketing strategy, promising incremental revenue, new customer acquisition and attractive return on investment. On paper, the numbers can look compelling.

But experienced affiliate managers know that headline performance figures rarely tell the whole story.

Without the right data matching, commercial structure and measurement plan in place, card-linked offers can quickly become difficult to evaluate. Brands risk paying for transactions they cannot verify, rewarding customers who would have purchased anyway or double-counting sales that are already being attributed elsewhere.
If you're exploring card-linked offer campaigns, reviewing a proposal from a CLO partner or trying to understand whether your existing programme is actually delivering incremental value, it's worth asking a few challenging questions before signing anything.

That's exactly why Affilifest has partnered with Hannah Fraser-Marks, Principal Lead, Affiliate Marketing at Tripadvisor, to create The Retailer's Guide to Running Card-Linked Offer Campaigns. Drawing on 15 years of affiliate and partnerships marketing experience, including several years specialising in card-linked offers for retailers, Hannah shares practical advice designed specifically for in-house affiliate teams.

Card-linked offers start with better data
One of the biggest challenges with card-linked offer attribution isn't generating transactions. It's proving that the transactions are genuine.
Before committing budget, affiliate managers should ask whether reported transactions can actually be matched against their own internal sales data.

Can the partner provide transaction information that your payments or analytics teams can reconcile?
Can you confidently identify those orders inside your own reporting?
If the answer is no, measuring performance becomes significantly more difficult.
The guide explains why getting transaction-data matching right before launching a campaign can save considerable time, budget and frustration later.

Planning your first CLO campaign properly
Many brands treat their first CLO campaigns as a new growth channel.
A better approach is to treat them as a carefully managed test.
Commercial models vary between providers, and understanding exactly how campaign costs are structured is essential.

Some of the questions every affiliate manager should be asking include:

• Can the CLO partner's reported transactions be matched against internal sales data?
• How much of the campaign cost is passed back to the customer, and how much is retained as a fee?
• Could cashback double-dipping, cancellations or offer abuse affect campaign performance?
• Is the campaign driving genuinely incremental revenue?
• Could sales already attributed to affiliate, CRM or another marketing channel be counted twice?
• Are customers genuinely new, previously lapsed or already active with the brand?

These are practical questions that can have a significant impact on campaign profitability and future investment decisions.
Measuring CLO incrementality beyond the headline numbers. Strong revenue figures don't automatically mean a campaign has been successful.
One of the most important parts of measuring CLO incrementality is understanding whether customers would have converted anyway.
That's where attribution, customer behaviour and transaction analysis become critical.

The guide explores why affiliate managers should look beyond revenue alone and evaluate factors such as attribution, cancellation rates, average order value and customer type before deciding whether a campaign is performing as expected.

For retailers investing in retail affiliate marketing, this level of analysis provides a much clearer picture of true incremental value.
Using campaign insights to support affiliate programme growth, launching a campaign is only the beginning.
The best-performing affiliate programmes use campaign data to improve future activity, refine targeting and make smarter investment decisions.

The guide walks through four practical stages that help retailers build a stronger programme over time:

• Setting up transaction-data matching before committing budget
• Planning the first card-linked offer campaign carefully
• Measuring incrementality, attribution and customer behaviour
• Using campaign insights to optimise and safely scale future activity

Whether you're considering card-linked offers for the first time, reviewing a proposal from a provider, struggling to reconcile reporting with internal data or deciding whether an existing campaign is ready to scale, these principles provide a practical framework for making more informed decisions.

Download the complete guide
The full report goes into far greater depth, sharing practical examples, common pitfalls and actionable advice that affiliate managers can immediately apply to their own programmes.
If you're responsible for partner strategy, budgets, attribution or affiliate programme growth, it's an essential resource for understanding how to approach card-linked offers with confidence.

Thinking about adding card-linked offers to your affiliate strategy?
Download The Retailer's Guide to Running Card-Linked Offer Campaigns for practical advice on data matching, campaign setup, incrementality and protecting your budget.