---
description: How to update an existing fixed amount promotion via API
---

# Update a fixed amount promotion

To [update](https://docs.commercelayer.io/core/updating-resources) an existing fixed amount promotion, send a `PATCH` request to the `/api/fixed_amount_promotions/:id` endpoint, where `id` is the ID of the resource that you want to update.

Here below the list of all the possible arguments that you can pass with the request body.

## Request

**PATCH** https://yourdomain.commercelayer.io/api/fixed\_amount\_promotions/:id

### Arguments

| Body Parameter                                   | Type       | Required |
| ------------------------------------------------ | ---------- | -------- |
| **type**                                         | `string`   | Required |
| **id**                                           | `string`   | Required |
| attributes.**name**                              | `string`   | Optional |
| attributes.**currency\_code**                    | `string`   | Optional |
| attributes.**exclusive**                         | `boolean`  | Optional |
| attributes.**priority**                          | `integer`  | Optional |
| attributes.**starts\_at**                        | `datetime` | Optional |
| attributes.**expires\_at**                       | `datetime` | Optional |
| attributes.**total\_usage\_limit**               | `integer`  | Optional |
| attributes.**\_disable**                         | `boolean`  | Optional |
| attributes.**\_enable**                          | `boolean`  | Optional |
| attributes.**\_add\_tags**                       | `string`   | Optional |
| attributes.**\_remove\_tags**                    | `string`   | Optional |
| attributes.**reference**                         | `string`   | Optional |
| attributes.**reference\_origin**                 | `string`   | Optional |
| attributes.**metadata**                          | `object`   | Optional |
| attributes.**fixed\_amount\_cents**              | `integer`  | Optional |
| relationships.**market**                         | `object`   | Optional |
| relationships.**order\_amount\_promotion\_rule** | `object`   | Optional |
| relationships.**sku\_list\_promotion\_rule**     | `object`   | Optional |
| relationships.**coupon\_codes\_promotion\_rule** | `object`   | Optional |
| relationships.**custom\_promotion\_rule**        | `object`   | Optional |
| relationships.**sku\_list**                      | `object`   | Optional |
| relationships.**tags**                           | `array`    | Optional |

### Example

{% tabs %}
{% tab title="Request" %}
The following request updates the fixed amount promotion identified by the ID "xYZkjABcde":

```shell
curl -g -X PATCH \
  'https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde' \
  -H 'Accept: application/vnd.api+json' \
  -H 'Authorization: Bearer your-access-token' \
  -H 'Content-Type: application/vnd.api+json' \
  -d '{
  "data": {
    "type": "fixed_amount_promotions",
    "id": "xYZkjABcde",
    "attributes": {
      "currency_code": "EUR"
    },
    "relationships": {
      "market": {
        "data": {
          "type": "markets",
          "id": "ABCRtyUpBa"
        }
      }
    }
  }
}'
```
{% endtab %}

{% tab title="Response" %}
On success, the API responds with a `200 OK` status code, returning the updated resource object:

```json
{
  "data": {
    "id": "xYZkjABcde",
    "type": "fixed_amount_promotions",
    "links": {
      "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde"
    },
    "attributes": {
      "name": "Personal promotion",
      "type": "percentage_discount_promotions",
      "currency_code": "EUR",
      "exclusive": true,
      "priority": 2,
      "starts_at": "2018-01-01T12:00:00.000Z",
      "expires_at": "2018-01-02T12:00:00.000Z",
      "total_usage_limit": 5,
      "total_usage_count": 2,
      "active": true,
      "status": "pending",
      "weight": 112,
      "disabled_at": "2018-01-01T12:00:00.000Z",
      "created_at": "2018-01-01T12:00:00.000Z",
      "updated_at": "2018-01-01T12:00:00.000Z",
      "reference": "ANY-EXTERNAL-REFEFERNCE",
      "reference_origin": "ANY-EXTERNAL-REFEFERNCE-ORIGIN",
      "metadata": {
        "foo": "bar"
      },
      "fixed_amount_cents": 1000,
      "fixed_amount_float": 10.0,
      "formatted_fixed_amount": "€10,00"
    },
    "relationships": {
      "market": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/market",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/market"
        }
      },
      "promotion_rules": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/promotion_rules",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/promotion_rules"
        }
      },
      "order_amount_promotion_rule": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/order_amount_promotion_rule",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/order_amount_promotion_rule"
        }
      },
      "sku_list_promotion_rule": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/sku_list_promotion_rule",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/sku_list_promotion_rule"
        }
      },
      "coupon_codes_promotion_rule": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/coupon_codes_promotion_rule",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/coupon_codes_promotion_rule"
        }
      },
      "custom_promotion_rule": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/custom_promotion_rule",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/custom_promotion_rule"
        }
      },
      "sku_list": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/sku_list",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/sku_list"
        }
      },
      "coupons": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/coupons",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/coupons"
        }
      },
      "attachments": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/attachments",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/attachments"
        }
      },
      "events": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/events",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/events"
        }
      },
      "tags": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/tags",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/tags"
        }
      },
      "versions": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/versions",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/versions"
        }
      },
      "skus": {
        "links": {
          "self": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/relationships/skus",
          "related": "https://yourdomain.commercelayer.io/api/fixed_amount_promotions/xYZkjABcde/skus"
        }
      }
    },
    "meta": {
      "mode": "test",
      "organization_id": "xRRkjDFafe",
      "trace_id": "69abaa3545913c78132e5578bd26208d44aa9043647d78698fd0021f3958cd74"
    }
  }
}
```
{% endtab %}
{% endtabs %}
