# Add a markup to your FX rate Adding a markup to an existing FX rate. For MCP customers only. Endpoint: PUT /foreignExchange/markup/{entity} Version: 1 Security: basicAuth ## Header parameters: - `Accept` (string, required) Example: "application/vnd.worldpay.foreignexchange-v1+json" - `WP-CorrelationId` (string) Optional ID to trace requests, if not provided, it is generated. Example: "15cd16b2-7b82-41cb-9b11-21be9dacad88" ## Path parameters: - `entity` (string, required) MCP Account Identifier (PartyID- Merchant Company ID, unique 6-digit ID given to you during the onboarding process) for which rates should be retrieved. Example: "100001" ## Request fields (application/vnd.worldpay.foreignexchange-v1+json): - `sourceCurrency` (any, required) The transaction currency code. If not supplied, the response contains rates for all source currencies against the target currency. Example: "AUD" - `targetCurrency` (any, required) Your funding (settlement) currency code. If not supplied, the response contains rates for all target currencies against the source currency. Example: "GBP" - `markup` (any, required) The additional margin percentage set up on FX rates. Example: 1.23 ## Response 401 fields (application/vnd.worldpay.foreignexchange-v1+json): - `errorName` (string, required) The unique error name - `message` (string, required) Error description message ## Response 403 fields (application/vnd.worldpay.foreignexchange-v1+json): - `errorName` (string, required) The unique error name - `message` (string, required) Error description message ## Response 404 fields (application/vnd.worldpay.foreignexchange-v1+json): - `errorName` (string, required) The unique error name - `message` (string, required) Error description message ## Response 500 fields (application/vnd.worldpay.foreignexchange-v1+json): - `errorName` (string, required) The unique error name - `message` (string, required) Error description message ## Response 204 fields