rule changes
Visa
Mastercard
NACHA
interchange impact
compliance
2026
AP2

Network Rule Change Impact Assessor

Models the estimated impact of 2025–2026 Visa, Mastercard, and NACHA rule changes on a transaction portfolio. Seven embedded rule changes covering CNP authentication, EMV fallback, authorisation optimisation, surcharge updates, NACHA fraud monitoring, and data security enforcement. Outputs volume affected, interchange impact, compliance actions, and timeline.

Tool URL: https://ainumbers.co/tools/230-network-rule-change-impact-assessor.html AP2/Policy Mandate export: yes

post/v1/tools/assess_rule_change_impact

Request

  • Base URL: https://ainumbers.co
  • URL: https://ainumbers.co/v1/tools/assess_rule_change_impact
  • Auth: none declared

Request body

rule_change_idstring required
monthly_volumeinteger required
average_ticket_usdnumber required
channel_mixstring

Response

Successful tool execution result

rule_change_titlestring
impact_level'high' | 'medium' | 'low'
transactions_affected_per_monthinteger
estimated_monthly_impact_usdnumber
estimated_annual_impact_usdnumber
compliance_actionsstring[]
ap2_mandateobject

Changes

No recorded changes to this operation across all 1 revision of this API.