# Update Request API Common Content 1
source: https://developer.mastercard.com/cross-border-services/documentation/api-ref/rfi-apis/common1-update-request-api/index.md

## API {#api}

[**++Open Specification++**](https://static.developer.mastercard.com/content/cross-border-services/swagger/RFI+Spec.yaml)

This API will be used by a Customer to provide a response to a RFI request assigned to the Customer. Look at the RFI process description [How it works](https://developer.mastercard.com/cross-border-services/documentation/api-ref/rfi-apis/how-it-works/index.md) for details on how to use the Update Request API for a cross border RFI solution.