anchor.diff:  | ------------  | ---------- | ------- | --------------------------------------------------------------------------| ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
   | name          | yes        | string  | User friendly identifier for a specific subaccount                        |                                                                                                                                                               |
   | key_label     | yes        | string  | User friendly identifier for the initial subaccount api key               |                                                                                                                                                               |
  -| key_grants    | yes        | Array   | List of grants to give to the initial subaccount api key                  | Valid values are `smtp/inject`, `sending_domains/manage`, `message_events/view`, `suppression_lists/manage`, `transmissions/view`, and `transmissions/modify` |
  +| key_grants    | yes        | Array   | List of grants to give to the initial subaccount api key                  | Valid values are `smtp/inject`, `sending_domains/manage`, `tracking_domains/view`, `tracking_domains/manage`, `message_events/view`, `suppression_lists/manage`, `transmissions/view`, and `transmissions/modify` |
   | key_valid_ips | no         | Array   | List of IP's that the initial subaccount api key can be used from         | If the supplied `key_valid_ips` is an empty array, the api key is usable by any IP address                                                                    |
   | ip_pool       | no         | string  | The ID of the default IP Pool assigned to this subaccount's transmissions | If the supplied `ip_pool` is an empty string or not present, no default `ip_pool` will be assigned                                                            |
   
  
positive.code: If this attribute is not specified, the link name will fall back to **Raw URL**.
  
  The link name will be incorporated into the click-tracked link and will be tracked in engagement events.
  
  ### Substitutions Syntax Examples
  
  
negative.code: 
  ### Create new subaccount [POST]
  
  Provisions a new subaccount and an initial subaccount API key. Subaccount API keys are only allowed very specific grants, which are limited to: `smtp/inject`, `sending_domains/manage`, `tracking_domains/view`, `tracking_domains/manage`, `message_events/view`, `suppression_lists/manage`, `transmissions/view`, and `transmissions/modify`.
  
  Subaccounts are allowed to send mail using the SMTP protocol or Transmissions API, retrieve sending statistics via the Message Events API, manage their Sending Domains, manage their Suppression List.
  
  