Posted under “Forms and Downloads” are the 2012-2013 NISOA Rules, the 2012-2013 Rule changes, and the updated Rules comparison guide, describing the major rule differences between NISOA, USSF/FIFA, the NFHS.
You currently have access to a subset of X API V2 endpoints and limited v1.1 endpoints (e.g. media post, oauth) only. If you need access to this endpoint, you may need a different access level. You can learn more here: https://developer.x.com/en/portal/product