Mastercard Authorization Systems and Business Rules
This course teaches how Mastercard authorization works, covering ISO 8583 and ISO 20022 message flows, EMV processes, fraud checks, and risk scoring. Design issuer decision logic, apply response codes, handle complex scenarios, and comply with US, EU, and Brazil regulations to optimize approval rates and minimize disputes.

4 to 360h flexible workload
certificate valid in your country
What will I learn?
Mastercard Authorization Systems and Business Rules provides practical insights into Mastercard authorizations, including ISO 8583 and ISO 20022 message flows, EMV card-present steps, fraud checks, and risk scoring. Learners will design issuer decision logic, apply appropriate response codes, manage complex scenarios, and ensure compliance with US, EU, and Brazil network and regulatory requirements to enhance approval rates and reduce disputes.
Elevify advantages
Develop skills
- Design issuer rules to build smart, non-generic declines that boost approvals.
- Master response codes by mapping precise Mastercard codes to issuer actions.
- Build fraud controls using risk scoring, 3DS, and velocity checks in real time.
- Configure stand-in and compliance to align rules with US, EU, and Brazil mandates.
- Turn scenarios into policy by scripting rule engine flows for complex auth cases.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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