(Deprecated) Member credentials

This endpoint has been deprecated and should no longer be used. Use the update member endpoint to update a member when the member's connection_status is DENIED. Use the resume aggregation endpoint to answer an MFA challenge. This endpoint was part of a deprecated workflow that required several requests be made to add credentials and resume aggregation. A newer, simpler, and more reliable workflow is now available, as outlined in the Nexus guide. This endpoint is still supported for existing integrations, but all partners are encouraged to use the