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Open-Policy Exchange
~6 min to deploy
Walmart Referral-Fee Margin Gate
Folds the Walmart Marketplace referral fee into the margin gate before an order is acknowledged.
For: Walmart Marketplace sellers acknowledging orders automatically
SOC 2 CC8.1ISO 27001 A.8.34Order acknowledgement evidence
What it enforces
Referral-fee margin check
Blocks acknowledging an order whose post-referral-fee margin falls under the encoded floor.
Promo-stacking ceiling
Escalates an order combining a rollback price with a further promotion.
Inventory sync restraint
Restrains acknowledgement when the inventory feed is older than the freshness window.
walmart-referral-fee-margin-gate.yaml
# Walmart Referral-Fee Margin Gate
# Fork: referral rates vary by category — set yours here.
apiVersion: decionis.dev/v1
kind: PolicyPack
metadata:
name: walmart-referral-fee-margin-gate
surface: walmart
workflow_key: order_acknowledgement
standards: [SOC2-CC8.1, ISO27001-A.8.34]
defaults:
mode: shadow
emit_dossier: true
margin_floor_pct: 8
referral_fee_pct: 12
rules:
- name: referral_fee_margin_check
when: "action == 'order.acknowledge'"
decision: |
BLOCK IF (order.total * (1 - referral_fee_pct / 100) - order.cost_basis) / order.total < margin_floor_pct / 100
ALLOW OTHERWISE
reason_code: post_referral_margin_below_floor
- name: promo_stacking_ceiling
when: "action == 'order.acknowledge'"
decision: |
ESCALATE IF price.is_rollback == true AND promotions.count > 0
ALLOW OTHERWISE
reason_code: rollback_and_promotion_stacked
- name: inventory_sync_restraint
when: "action == 'order.acknowledge'"
decision: |
RESTRAIN IF inventory.feed_age_minutes > 60
ALLOW OTHERWISE
reason_code: stale_inventory_feed
Fork it, change the thresholds to match your environment, and deploy in shadow mode first — it defaults to listen-only so nothing in your live pipeline changes.
How to install it
Follow the install path for this surface, then paste the forked YAML as your policy config.