Vendor access to MLS - BCRES

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I have included the URL below that I would like to access; how can I register as a vendor? Do I need to be a licensed realtor or work with one?

https://bcres-rets.paragonrels.com/re...

Update: I did find these articles:

http://vendorsupport.paragonrels.com/... http://vendorsupport.paragonrels.com/... http://vendorsupport.paragonrels.com/...

From question 3589:

"Your REALTOR customer/client must reach out to the MLS to gain access to the data. Either the MLS or their Black Knight Support representative "

Is this the only way to gain access to the data?

Thanks,

Stuart