patch
https://broker-api.sandbox.alpaca.markets/v1/accounts/
This operation updates account information.
If all parameters are valid and updates have been made, it returns with status code 200. The response is the account model.
Multi-Live Accounts (MLA): The primary_account_holder_id field is read-only after the account is created. Omitting it or supplying the value already associated with the account is a no-op; supplying a different value returns HTTP 400.