Wikipedia Backlinks | Niche Relevant | High 20M Traffic | DR90 | All Niches Accepted

How strict is the approval process for the anchor keyword? Can the service work with different niches, or are some niches excluded? How much does the authority of the referring Wikipedia page matter for SEO?

Is the backlink placed on an existing relevant article, or can new articles be used? How long does the link typically remain active before needing maintenance? Can we use branded or URL anchors instead of exact-match keywords?