---
title: "Retrieve the promotion rule associated to the coupon"
method: GET
path: "/coupons/{couponId}/promotion_rule"
tags: ["has_one", "coupon_codes_promotion_rules"]
---

# Retrieve the promotion rule associated to the coupon

`GET /coupons/{couponId}/promotion_rule`

Retrieve the promotion rule associated to the coupon

## Path parameters

- `couponId` string, required

## Response `200`

The promotion_rule associated to the coupon

---

[API](https://skmtc.net/commercelayer/apis/commerce-layer-api.md) · [All operations](https://skmtc.net/commercelayer/apis/commerce-layer-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/commercelayer/commerce-layer-api/versions/dcb0faa48534/schema)