Can’t access to subscription API

I’m trying to access to subscriptions API through https://{myurl}/wp-json/wc/v3/subscriptions like the docs says, but the only thing I get is an error 404 with this message “No route was found matching the URL and request method.”. Why can’t I access?

• This topic was modified 2 years, 8 months ago by mrbcarrion.
• This topic was modified 2 years, 8 months ago by Jan Dembowski. Reason: Moved to Fixing WordPress, this is not an Developing with WordPress topic

The page I need help with: [log in to see the link]