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For large merchants, whether operating in a single market or across multiple markets, payments are becoming increasingly complex. Payment architectures must navigate a mix of payment methods, authentication flows, fraud controls, issuer decisions, and acquirer performance. As customer expectations continue to rise and margins tighten across the retail sector, payments performance is no longer a back‑office concern; it has become a board‑level priority.
This complexity is amplified by a rapidly evolving landscape:
- New payment methods emerge faster than internal systems can support
- Priority revenue channels, such as in‑app purchases, require tailored optimization due to their specific approval and user‑experience demands
- Agentic commerce introduces new traffic patterns and approval challenges
- Acquirer performance varies widely and directly affects approval rates
- Retailers must increasingly prioritize investment in resilience and scalability
- Approval rates and standards differ by market, and keeping pace becomes harder as businesses grow
Together, these pressures create an environment that is more fragmented and more difficult to manage, especially for teams already running at capacity.
Why payments optimization matters
Despite significant investment, most merchants are still losing revenue in ways that aren’t always visible in dashboards. Uptime may look fine. Approval rates may appear stable. Yet, revenue quietly trickles out through misrouted transactions, poor authentication flows, misinterpreted fraud signals, or incomplete data. Dashboards excel at surfacing symptoms and trends, but some underlying causes require deeper analysis and expertise to uncover.
That’s exactly where payments optimization comes in, translating data and insights into targeted actions that recover revenue. And it matters more than most merchants expect. It’s also where payment teams shine, turning hidden performance gaps into measurable financial outcomes and meaningful wins. When done well, payments optimization can be one of the fastest paths to incremental revenue.
Optimizing payments is the fastest route to revenue, delivering results quicker than any other growth strategy.
Even top‑performing merchants can achieve meaningful uplift
Approximately 10–15% of transactions fail, and these failures are distributed across the entire payments journey—from initial intent to authentication, authorization, and post‑authorization lifecycle events. Payments configurations that look healthy on the surface almost always reveal pockets of underperformance once examined closely.
Effective optimization programs begin by identifying the highest‑impact gaps. Underperforming regions, acquirer setups that fall below benchmarks, SCA flows that introduce unnecessary friction, and methods that behave differently across markets can all quietly suppress revenue.
Small improvements in these areas can translate into significant recovered revenue, often amounting to millions annually, depending on volume and market mix. These gains can make a material difference. For example:
A 3% uplift in acceptance can recover $30M per $1B in processing volume.*
Fixing the most critical gaps first produces measurable gains quickly, and those wins create a clear path for the next round of improvements.
If you want to understand where your revenue is leaking, and how much you can realistically recover, ACI can help. Our optimization team can benchmark your performance, model uplift scenarios, and pinpoint your highest value opportunities.
Optimization is a moving target and pressure is rising in 2026
Payments optimization is never “done.” Customer expectations continue to rise, authentication rules evolve, fraud patterns shift quickly, and AI and regulations are reshaping the risk landscape. In 2026, these changes are accelerating, all while margins tighten and operating costs increase.
A payments stack tuned for last quarter’s patterns won’t necessarily perform today. Merchants need an environment that adapts continuously, not one dependent on periodic fine‑tuning or manual fixes.
Turning payments data into revenue outcome—where ACI helps
Solving these issues at scale takes specialized insight and that’s where ACI comes in. We provide the expertise, intelligence, and tools required to run a true optimization program end to end. Our AIdriven forensic analysis, trained on more than one trillion transaction data points, identifies where revenue is leaking by market, issuer, method, acquirer, or flow and prioritizes the actions that will meaningfully improve performance.
If you’re ready to understand your payments performance at a forensic level and turn hidden inefficiencies into recovered revenue, ACI can guide you with the depth and rigor required.
In the end, dashboards are invaluable for visibility, but visibility alone isn’t enough.
Merchants also need the insight, prioritization, and hands‑on expertise required to turn data into revenue outcomes. That’s where ACI comes in. Reach out to our team to unlock the full value hidden in your payments performance.
