Payment Service Providers

PSPs run on reconciliation. When it breaks, the merchant feels it first.

Every transaction generates settlement events across many systems. Scheme fees change quarterly. Chargeback lifecycles span 60–120 days across multiple systems. FX spreads are applied transaction-by-transaction. At PSP volume, basis-point variance is real money and merchant trust depends on getting it right at the line level, every time.

5–20 bps

Scheme fee variance per transaction

5–15%

Chargebacks won but never financially recovered

Quarterly

Scheme fee changes that invalidate fee engines

Scheme reports

Settlement files

FX rate feeds

Internal fee engine

Chargeback lifecycle

PCI & compliance fees

Scheme reports

Internal fee engine

Settlement files

Chargeback lifecycle

FX rate feeds

PCI & compliance fees

Structural failures in PSP finance & ops.

The structural problems that break manual reconciliation everywhere manifest at PSP scale with particular severity — because basis-point variance × billions in volume = real money, and merchant trust depends on every transaction settling correctly, every fee being justified, and every chargeback being followed end-to-end across systems.

Data Heterogeneity

Transaction logs, scheme reports, fee engine and bank statements all speak different languages

The transaction log holds the authorisation. The internal fee engine calculates expected fees per MCC and card type. Visa and Mastercard scheme reports arrive in their own formats with their own identifiers. Merchant agreements live as PDFs. Bank statements show net payouts. None of these systems share one identifier — and the reconciliation between expected and actual is always manual.

Every scheme fee, settlement and chargeback starts with manual cross-system mapping

Time Lag

Scheme fees change quarterly; chargeback lifecycles span months across systems

Visa and Mastercard publish interchange and assessment changes quarterly — manual fee engines lag by weeks. Chargeback lifecycles span 60–120 days across notification, representment, scheme arbitration and final financial recovery. By the time something is reconciled monthly, the scheme fee window has closed, the merchant statement is out, and the chargeback financial booking has drifted from the actual outcome.

Quarterly fee changes invalidate static fee engines; financial recovery breaks down

Header-Level Blindness

Batch settlement files hide per-transaction fee, FX and chargeback errors

A batch settlement file looks balanced at the header. But within: an interchange fee charged at the wrong tier, an FX spread applied above the contracted markup, a chargeback won in representment but never financially booked back to the merchant, a PCI fee increased without proper notice. At header level it all clears. At per-transaction level, 5–20 bps of overcharges and lost recoveries accumulate.

Basis-point variance compounds to real money at PSP volumes

What this costs your finance team.

Basis points walk out, transaction by transaction.

Scheme fee overcharges absorbed by the PSP — or undercharged to merchants — without anyone noticing

FX spreads applied inconsistently against contractual markup — bps deviations × billions in volume

Chargebacks won in representment but funds never financially recovered from the merchant

PCI & compliance fee changes pushed by schemes; merchant pass-through inaccurate or delayed

Evidence chains break under audit and scheme pressure.

No documented basis for which scheme fees were validated against published rates

Chargeback financial lifecycle cannot be substantiated end-to-end across systems

Merchant statements not reproducible from underlying transaction + fee data

SOC 2 and scheme audits surface repeat findings on fee & settlement controls

The true economics per merchant, MCC and card type are unclear.

Net merchant payouts cannot be tied back to transaction-level expected calculations

Chargeback reserves over- or under-stated — operating margin guidance unreliable

FX exposure across multi-currency settlements unknown — treasury planning approximate

True per-MCC and per-card-type profitability unknown — pricing decisions on aggregated data

Basis points walk out, transaction by transaction.

Scheme fee overcharges absorbed by the PSP — or undercharged to merchants — without anyone noticing

FX spreads applied inconsistently against contractual markup — bps deviations × billions in volume

Chargebacks won in representment but funds never financially recovered from the merchant

PCI & compliance fee changes pushed by schemes; merchant pass-through inaccurate or delayed

Evidence chains break under audit and scheme pressure.

No documented basis for which scheme fees were validated against published rates

Chargeback financial lifecycle cannot be substantiated end-to-end across systems

Merchant statements not reproducible from underlying transaction + fee data

SOC 2 and scheme audits surface repeat findings on fee & settlement controls

The true economics per merchant, MCC and card type are unclear.

Net merchant payouts cannot be tied back to transaction-level expected calculations

Chargeback reserves over- or under-stated — operating margin guidance unreliable

FX exposure across multi-currency settlements unknown — treasury planning approximate

True per-MCC and per-card-type profitability unknown — pricing decisions on aggregated data

The RECONs built for how PSPs actually run

Reconciliations that cover the full PSP money flow: merchant settlement, scheme & interchange fees, chargeback financial lifecycle, FX conversion spread and PCI & compliance fee audit.

Merchant Settlement Accuracy

Processed transactions vs. applied fees vs. settlement amounts vs. bank payouts

AP

Transaction Logs

Settlement Files

Merchant Accounts

Bank Statements

Fee miscalculations, timing differences, batch errors; merchants receive wrong amounts and trust erodes.

Chargeback Financial Lifecycle

Original transaction → chargeback → representment → final outcome → financial booking — end to end across systems

AP·AR

Chargeback Notifications

Transaction Data

Representment Outcomes

Bank Statements

Chargebacks won in representment but funds never recovered; lifecycle breaks across 3+ systems.

PCI & Compliance Fee Audit

Contractual compliance fees vs. actually billed amounts vs. fee change notifications received from schemes

AR

Compliance Fee Schedules

Merchant Contracts

Billing System

Fee increases pushed without proper notice; merchants overpay and rarely challenge — until they do.

Interchange & Scheme Fee Verification

Interchange fees charged by schemes vs. expected rates per MCC / card type vs. fees passed to merchant

AP

Card Scheme Reports (Visa / MC)

Acquirer Data

Internal Fee Engine

Scheme fees change quarterly; PSPs absorb overcharges they should pass through — or vice versa.

FX Conversion Spread Verification

Contractual FX markup vs. actual spread applied per transaction vs. market mid-rate at timestamp

INTERNAL

FX Rate Feeds (Reuters / Bloomberg)

Transaction-Level FX Applied

Merchant Agreements

FX spreads applied inconsistently; small bps deviations = significant revenue impact at volume.

Merchant Settlement Accuracy

Processed transactions vs. applied fees vs. settlement amounts vs. bank payouts

AP

Transaction Logs

Settlement Files

Merchant Accounts

Bank Statements

Fee miscalculations, timing differences, batch errors; merchants receive wrong amounts and trust erodes.

Interchange & Scheme Fee Verification

Interchange fees charged by schemes vs. expected rates per MCC / card type vs. fees passed to merchant

AP

Card Scheme Reports (Visa / MC)

Acquirer Data

Internal Fee Engine

Scheme fees change quarterly; PSPs absorb overcharges they should pass through — or vice versa.

Chargeback Financial Lifecycle

Original transaction → chargeback → representment → final outcome → financial booking — end to end across systems

AP·AR

Chargeback Notifications

Transaction Data

Representment Outcomes

Bank Statements

Chargebacks won in representment but funds never recovered; lifecycle breaks across 3+ systems.

FX Conversion Spread Verification

Contractual FX markup vs. actual spread applied per transaction vs. market mid-rate at timestamp

INTERNAL

FX Rate Feeds (Reuters / Bloomberg)

Transaction-Level FX Applied

Merchant Agreements

FX spreads applied inconsistently; small bps deviations = significant revenue impact at volume.

PCI & Compliance Fee Audit

Contractual compliance fees vs. actually billed amounts vs. fee change notifications received from schemes

AR

Compliance Fee Schedules

Merchant Contracts

Billing System

Fee increases pushed without proper notice; merchants overpay and rarely challenge — until they do.

Donnerstag.ai

English

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EU HOSTED

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2026

Donnerstag.ai Technologies GmbH

Donnerstag.ai

English

ISO 27001

EU HOSTED

ZERO TRAINING

©

2026

Donnerstag.ai Technologies GmbH

ISO 27001

EU HOSTED

ZERO TRAINING

©

2026

Donnerstag.ai Technologies GmbH