All publishers do not accept grey niche guest posts. According to the client's guidelines and requirements, it varies.

Basically, The Grey Niche Comprises The Following:

Casino

Betting

Gambling

CBD

Dating

Adult

Gambling

Cryptocurrency

Drugs

Detox

Essay Writing

Publishers sometimes accept multiple niches, while others may decline connections to grey niches.

There is no hard and fast rule.

While placing your order, please check the publisher's acceptance.

What is the best way to check whether a publisher accepts grey niches?

When exploring sites on the platform, you will see a grey niche tag on sites that accept grey niches.