Core Authorization & Risk Evaluation

Issuer Decision Engine

Sub-50ms host decisioning engine. Evaluates inbound ISO 8583 / ISO 20022 messaging against rule-based balance controls, velocity limits, geographic bounds, and dynamic response code mappings.

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Deterministic Balance Checks Multi-Point Velocity Rules ISO 8583 Bitmapped Mapping
Live Pipeline Metrics
Host Decision Sandbox
Balance & Limit Pass Rate 98.4%
Rule Processing Latency < 12ms

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Phase 1 Architecture

Active Decision Modules

Ledger & Balance Checks

Real-time verification against available account balances, shadow ledgers, credit limits, overdraft buffers, and active card hold limits.

  • DE 4 Amount validation
  • Overdraft limit triggers
  • Dynamic response code generation
Velocity & Risk Rules

Configurable rule set monitoring transaction counts, amount thresholds within rolling windows, MCC risk tiers, and cross-border location mismatches.

  • Cardholder velocity windows
  • High-risk MCC blocking
  • Country code (DE 19) checking
ISO 8583 Routing Logic

Maps decision engine outcomes directly to standard ISO 8583 / ISO 20022 response codes (e.g., Code 00 Approved, 51 Insufficient Funds, 05 Do Not Honor).

  • MTI 0110 / 0210 building
  • Bitmapped DE 39 population
  • Custom host stand-in rules
Future Intelligence Roadmap

Next-Gen ML & Behavioral Intelligence

MograPay is advancing the decision engine beyond static rule sets into in-flight Machine Learning scoring. Phase 2 and Phase 3 releases will integrate continuous adaptive risk scoring directly into the ISO messaging pipeline.

In-Flight ML Fraud Scoring

Random Forest & XGBoost scoring models running in sub-20ms sidecars.

Behavioral Biometrics

Device telemetry, typing cadence, and session risk aggregation.

ISO 20022 Data Enrichment

Parsing rich XML payload structures (pacs.008) for deep risk signals.

Dynamic Auth Routing

Automated step-up authentication triggers (3DS) based on real-time risk.

Architectural Blueprint

Learn more about MograPay's full payment transformation architecture, gRPC routing layers, and market rollout at our official domain.

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Ready to test issuer host decision scenarios?

Simulate real-time authorizations, adjust approval thresholds, and monitor host telemetry in the MograPay sandbox environment.

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