Audit de la pile de paiement
Comprenez l'état actuel de votre infrastructure de paiement grâce à l'audit de la pile de paiement de Cardflo. Nous fournissons une évaluation objective de vos systèmes existants, identifiant les domaines d'optimisation, de réduction des coûts et d'amélioration des performances.
Cet audit établit une base de référence claire pour les futures décisions stratégiques en matière de paiement.
- Catégorie
- Conseil
- Capacités
- 10
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- Tous les plans
L'aperçu
A payment stack audit involves a systematic review of the technical and financial layers within a merchant's transaction lifecycle. This process examines the integration between the gateway, the merchant identification (MID) structure, and the downstream acquirers to identify latency, redundancy, or technical fragility.
Beyond the basic connectivity, the audit assesses the logic governing routing, 3D Secure (3DS) implementation, and fraud filter sensitivity.
By reviewing historical transaction data and decline reason codes, an organisation can determine whether failures stem from technical integration issues, issuer-side risk appetites, or regional compliance hurdles.
The audit functions at the intersection of treasury, engineering, and compliance, ensuring that scheme rules are met while minimising the total cost of acceptance.
This review provides a concrete map of the current architecture, highlighting where fragmentation in the stack leads to inefficient settlement cycles or excessive scheme fees that erode margins in high-volume environments.
Comment ça marche
Gateway and Acquirer Mapping
The auditing process begins by documenting every connection point between the checkout interface and the final settlement account. This includes identifying all active gateways, primary and backup acquirers, and any third-party processors.
Consultants verify if the current geographic footprint of acquirers aligns with the merchant's actual customer base to reduce cross-border fees.
Data and Error Analysis
Auditors extract raw transaction logs to analyse the ratio of hard declines to soft declines. By categorising refusal reasons, such as insufficient funds versus suspected fraud or technical timeouts, patterns emerge regarding the health of the integration.
This step pinpointing where valid transactions are being incorrectly blocked by aggressive risk settings.
Commercial and Fee Review
A granular review of the fee structure is conducted, typically focusing on interchange levels, scheme fees, and any blended pricing markups.
The audit checks for consistency between the agreed Merchant Service Charge (MSC) and the actual debits from settlement files, ensuring that the merchant is not overpaying for non-qualified transactions.
Compliance and Security Assessment
The audit evaluates the implementation of Strong Customer Authentication (SCA) under PSD2 and the current status of PCI DSS compliance.
This includes reviewing how payment card data is vaulted and whether the merchant utilises network tokens to maintain security whilst reducing the risk of data breaches or non-compliance penalties.
Reporting and Strategy Formulation
Findings are synthesised into a technical roadmap that prioritises remediation efforts based on potential impact. This includes suggesting adjustments to retry logic, proposing the consolidation of redundant MIDs, or recommending specific acquirers that demonstrate higher authorisation rates for particular Merchant Category Codes (MCCs) or regions.
Pourquoi c'est important
Reduction in Operational Overheads
Many businesses accumulate payment vendors due to expansion or legacy requirements, resulting in fragmented reporting and manual reconciliation processes. A payment stack audit identifies these redundancies, allowing teams to consolidate infrastructure.
This reduction in complexity lowers the administrative burden on finance departments and reduces the technical debt associated with maintaining multiple, often outdated, API integrations.
Authorisation Rate Optimisation
Small discrepancies in how data is passed to the issuer can lead to higher decline rates. An audit detects missing or poorly formatted fields in the authorisation request, such as incorrect address verification (AVS) or card verification value (CVV) data.
Correcting these technical errors directly improves the success rate of legitimate transactions, impacting the bottom line without needing additional marketing spend.
Identification of Hidden Costs
Payment processing statements are notoriously opaque. An audit breaks down the effective cost of each transaction, exposing hidden margins or misapplied interchange rates.
By understanding the true cost of acceptance across different card types and regions, businesses can renegotiate contracts with processors or switch to an interchange-plus-plus model that offers greater transparency.
Cas d'usage
Cross-border Expansion
Merchants moving into new territories use an audit to determine if their current UK or European acquirers can support local payment methods and competitive FX rates in the target market.
Post-Merger Integration
Following an acquisition, an organisation may find itself with multiple disparate payment gateways. An audit provides a blueprint for consolidating these systems into a unified payment orchestration layer.
High Decline Rate Remediation
A merchant experiencing a sudden spike in 'Do Not Honour' codes may use an audit to investigate if their MCC is misclassified or if their 3DS configuration is failing.
Contract Renewal Preparation
Before entering negotiations with a PSP, a merchant conducts an audit to gain a precise understanding of their volume profiles and transaction patterns to secure better commercial terms.
En chiffres
Typical improvement seen when technical errors and suboptimal routing are corrected following a thorough stack review, depending on the baseline maturity.
Industry range for reduction in processing fees when merchants transition from blended models to transparent pricing or consolidate redundant providers.
Standard reduction in legitimate transactions blocked by fraud filters after refining risk thresholds and rule sets during an audit process.
Termes associés
Talk to our team about a live rollout on your acquiring stack.
What you get with Audit de la pile de paiement
- Examen complet des passerelles de paiement et des acquéreurs existants.
- Analyse des taux de réussite des transactions et des codes de refus.
- Évaluation des outils de prévention de la fraude et de leur efficacité.
- Évaluation de la conformité, y compris PCI DSS et 3DS.
- Identification des processus redondants et des inefficacités de coûts.
- Recommandations pour les mises à niveau technologiques et les partenariats stratégiques.
- Comparison of settlement timeframes across acquirers to improve corporate cash flow and working capital.
- Assessment of alternative payment method (APM) penetration and its impact on the total checkout conversion.
- Investigation of partial authorisation support and its effectiveness for specific retail or service sector merchants.
- Validation of merchant descriptor accuracy to reduce customer confusion and subsequent retrieval requests.
A short scoping call, then a written plan for your MIDs.
Questions about Audit de la pile de paiement
Qu'est-ce qu'un audit de la pile de paiement ?
Un audit de la pile de paiement implique une analyse détaillée de votre infrastructure de paiement actuelle, y compris les passerelles, les acquéreurs, les outils de fraude et les processus internes.
Nous évaluons la performance, l'efficacité des coûts et la conformité pour fournir un aperçu complet et des recommandations concrètes d'amélioration.
Combien de temps prend un audit de la pile de paiement ?
La durée d'un audit de la pile de paiement varie en fonction de la complexité et de l'échelle de vos opérations. Généralement, un audit peut être réalisé en 2 à 4 semaines, de la collecte initiale des données à la présentation du rapport final.
Nous fournissons un calendrier personnalisé après une consultation initiale.
Quels sont les avantages d'un audit de la pile de paiement ?
Les avantages comprennent l'identification des opportunités de réduction des coûts, l'amélioration des taux de réussite des transactions, le renforcement de la protection contre la fraude et la garantie de la conformité réglementaire.
L'audit fournit une feuille de route claire pour optimiser votre stratégie de paiement et atteindre une plus grande efficacité opérationnelle au sein de votre écosystème de paiement.
Is a payment stack audit required for PCI DSS compliance?
While not a formal requirement for PCI DSS certification itself, a payment stack audit often uncovers security gaps that would impede certification.
It examines how sensitive data flows through the environment and whether the merchant is successfully offloading risk via hosted payment pages or iframe integrations.
By identifying exactly where primary account numbers (PAN) are being handled, the audit ensures that the merchant's PCI DSS scope is as narrow as possible, reducing the cost of annual assessments.
How frequently should a large-scale enterprise perform a payment audit?
It is generally advisable to perform a full audit annually or after any significant change to the infrastructure, such as adding a new gateway or expanding into a new continent.
Frequent audits are particularly important in the context of changing regulations such as PSD3 or updates to scheme rules introduced by Visa and Mastercard.
Regular reviews ensure that the payment stack remains optimised against shifting benchmarks in authorisation rates and that the commercial terms remained aligned with the merchant's current processing volume.
What role does Merchant Category Code (MCC) analysis play in the audit process?
The MCC is a primary factor in determining the interchange rates applied by schemes. An audit verifies that the merchant's business activities are correctly classified.
Misclassification can lead to higher interchange costs or increased scrutiny from acquirers, which can result in higher decline rates or even fines.
In some cases, a merchant may be eligible for a lower-cost MCC if their business model has shifted, and an audit identifies these opportunities to re-classify and save on every transaction.
Prêt à accélérer ?
Parlez-nous de votre activité. Nous vous mettrons en relation avec les bons partenaires acquéreurs et la bonne route, généralement en moins d'une semaine.