> For the complete documentation index, see [llms.txt](https://doc.peeringhub.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.peeringhub.io/guides/purchase-subscription.md).

# Purchase Subscription

Once you become an approved Sitr/Shaken Service Provider, you can sign up to Peeringhub's CA service to start ordering certificate.

To registration url is <http://portal.peeringhub.io&#x20>;

After your registration is completed, you will receive a confirmation email.