While it is technically possible to invest through multiple platforms (such as NSR), we strongly advise against it. By using multiple platforms in tandem you may run into issues such as:
Multiple platforms may have similar loan matches and purchase notes in the same loan twice.
Different platforms have different API query limits - whereby, if multiple platforms try to place an investment order in a small window of time, both orders may be rejected.
You may be charged twice (through account/management fees) on idle cash and some loans acquired through both platforms.
A much easier solution if you desire to use multiple investing platforms is to open separate investment accounts at each peer to peer lender.