---
title: "Modify future dated merchant FX rate margins"
method: PUT
path: "/fx-rate-margins"
tags: ["FX Rate Margins"]
---

# Modify future dated merchant FX rate margins

`PUT /fx-rate-margins`

Provides means to update the rate margins, the record is identified by transaction currency, effective date and fee identifier. 

Updates are allowed only for one or more future dated (effective date later than current posting date) merchant FX rate margins.

## Headers

- `Content-Type` 'application/json' | 'application/json;charset=UTF-8', required
- `FSV-Interaction-Id` string, required
- `Environment` string, required
- `Institution-Number` string, required
- `Internal-Merchant-Id` string, required

## Request body

- MerchantFXRateMargins[]
  - `transactionCurrency` string, required — ISO 4217 currency code of the transaction or use 999 for all the currencies
  - `effectiveDate` string, required — The date the FX Mergin rate becomes effective. Format YYYYMMDD.
  - `feeIdentifier` 'DCC_CONV_VISA' | 'DCC_CONV_ECMC' | 'MERCH_VISA_FXMKP' | 'MERCH_MC_FXMKP', required — Description of the card network the margin relates to.
  - `rateMargin` string, required — Value of the FX Margin Rate in percentage. Margins are typically expressed as negative values.

## Response `200`

OK

- InlineResponse400 — An API response. The API response will be either a `SUCCESS` or an `ERROR`. A partial success or warning scenario will be treated as a Success with embedded messages in the meta data. A full success may not have messages. The API response will contain at least one of the following top level members."
  - `meta` MetaType — Supplementary information about the data.
    - `paging` PagingMetaType — Map containing pagination related information about data.
      - `count` integer — Total number of records present in system which can be retrieved.
      - `totalPages` integer — Total number of pages with maximum limit taken into account.
      - `currentOffset` integer — Current offset used in request.
      - `currentNumberOfRetrievedRecords` integer — Current number of retrieved records.
      - `maxLimit` integer — Maximum limit of records that can be retrieved.
      - `hasMoreRecords` boolean — Indicates if there are more records available.
      - `pageNumber` integer — Current page number.
    - `sorting` SortingMetaType — Map containing sorting related information about data.
      - `sort` string — Indicates the elements the current data is sorted with and the direction of sorting.
    - `messages` ErrorType[] — Messages related to request processing or response data - any additional information or warnings to be returned in the case of a successful API call.
      - `id` string — Generated message identifier for particular request, helping to locate server logs.
      - `code` string, required — Machine readable, unique code of the message related to particular case within operation execution. For complete list of codes please refer to API portal, messages page.
      - `title` string, required — Short description of the error. Not for displaying purposes.
      - `detail` string — Provides additional low-level details about the error to assist with troubleshooting. Not for displaying purposes.
      - `source` SourceType — Object containing references to the source of the message.
        - `pointer` string — Indicates the element in the request document which caused the error.
        - `parameter` string — Indicates which query parameter caused the error.
        - `header` string — Indicates which header caused the error.
  - `data` object[] — "Contains the primary data to be returned as the API response. Use this object only when respnse type is an array. It will not be returned in case of error."
  - `errors` ErrorType[] — "Contains one or more error messages and is mutually exclusive with the data item. This will not be returned in success scenarios."
    - `id` string — Generated message identifier for particular request, helping to locate server logs.
    - `code` string, required — Machine readable, unique code of the message related to particular case within operation execution. For complete list of codes please refer to API portal, messages page.
    - `title` string, required — Short description of the error. Not for displaying purposes.
    - `detail` string — Provides additional low-level details about the error to assist with troubleshooting. Not for displaying purposes.
    - `source` SourceType — Object containing references to the source of the message.
      - `pointer` string — Indicates the element in the request document which caused the error.
      - `parameter` string — Indicates which query parameter caused the error.
      - `header` string — Indicates which header caused the error.
  - `links` LinksType — Contains the links to retrieve the resources exposed as part of this API.
    - `self` string — The link to the primary resource being retrieved in the request.
    - `first` string — This is to provide the link to retrieve the first record/page. This SHOULD be used in case server provides pagination of the resource.
    - `last` string — This is to provide the link to retrieve the last record/page. This SHOULD be used in case server provides pagination of the resource.
    - `prev` string — This is to provide the link to retrieve the previous record/page. This SHOULD be used in case server provides pagination of the resource.
    - `next` string — This is to provide the link to retrieve the last record. This SHOULD be used in case server provides pagination of the resource

## Other responses

- `400` — Invalid request
- `401` — Authorization error
- `403` — Forbidden error i.e. Consumer token credentials are valid but lack of permissions to do this action.
- `404` — Record does not exist
- `500` — Internal Server Error

---

[API](https://skmtc.net/fiserv/apis/acquirer-profile-in-design.md) · [All operations](https://skmtc.net/fiserv/apis/acquirer-profile-in-design/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/fiserv/acquirer-profile-in-design/revisions/dd7ef6ce81a1/schema)