Supported APIs are documented, and that includes APIs for currency management. The example you give is an oversight and an update will be made to provide an API documentation update for it.
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Documentation for the ad server request APIs is available from support.sas.com. API documentation for managing configuration is available from within the application itself only.
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There is a configuration that can be enabled that would only attach snippets to HTML or Javascript creatives. Please open a support request (support@sas.com) and we will resolve your issue there.
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