Lunixi
Rule Engine

Author payment policy in code — test it before it touches a transaction

Write routing, risk and 3DS rules in a readable DSL. Trial them in shadow mode against live traffic, gate releases behind approval, and trace every decision.

Readable DSL

Express policy in plain logic — e.g. WHEN risk > 0.7 THEN require_3ds — with 11 operators, versioned and reviewable like code.

Shadow mode

Run new rules against live traffic without affecting decisions, then compare outcomes before going live.

Publish gate

Changes ship through an approval workflow with a full diff — no silent edits to production policy.

Decision trace

Every outcome is explainable: see exactly which rules fired and why, for any transaction.

Three execution models

First match, all match or weighted scoring — and instant rollback to any prior version.

Ready to replace your payment stack?

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Programmable Payment Rule Engine — Lunixi