Here’s the setting
Here’s the request
POST /client/v4/accounts/[account_id]/stream/keys HTTP/1.1
Host: api.cloudflare.com
Content-Type: application/json
Authorization: Bearer [API TOKEN]
Is there something wrong?
Check out this thread: Using API Token to create Signing Key possible?
My tokens work with the keys API. Could there be something else? Are you using the correct account ID?