Affiliate links can be posted in the Video Description or in comments below the description. Adding too many links can violate YouTube rules regarding spam, so limit your choice of links to the video topic.
Providing links in this area helps followers learn more about products or services you presented in your video. Links to your other promotional properties (website and social channels) are allowed as long as they are registered in your YouTube account.
Comments
If you allow comments below your Video Description, you may include a link in one of your own comments, as long as it is related to the video. Posting links in the comments sections of other vloggers is a violation of the platform’s policies.
