# Account (single)

A bank or custodian account holding cash in a single currency. Owned
by exactly one legal entity. The `legalEntity` relationship and the
`excludeFromReporting` attribute cannot be changed after creation;
the depository association is also fixed.

## Endpoints

GET /v2/accounts/:id
  Fetch one account.

PATCH /v2/accounts/:id
  Update mutable attributes (`name`, `externalIdentifier`, `ccyCode`).

DELETE /v2/accounts/:id
  Delete the account. Rejected if any transaction history references it.

## Path params

  id (required) — Account identifier (Mongo ObjectID).

## Attributes (`type: account`)

  name                  (string, optional) — Display name.
  externalIdentifier    (string, required) — Bank/custodian-assigned identifier.
  ccyCode               (string, required) — ISO 4217 currency.
  excludeFromReporting  (boolean, fixed at creation) — When true, certain
                                                       transaction types are
                                                       not allowed on the account.