# Validate if the specified Banner identifier is available for use in account scope Validate if the specified BannerDTO identifier is available for use in account scope Endpoint: GET /v1/banners/validate-unique-identifier/{bannerId} Version: 1.0 Security: x-api-key ## Path parameters: - `bannerId` (string, required) Identifier field of the BannerDTO ## Header parameters: - `Harness-Account` (string) Identifier field of the account the resource is scoped to. This is required for Authorization methods other than the x-api-key header. If you are using the x-api-key header, this can be skipped.