# Account low balance alert

Notification that a managed account's available balance has dropped below the configured threshold.

Endpoint: POST /managed_accounts/low_balance/watch
Version: v2

## Header parameters:

  - `call-ref` (string)
    A call reference generated by the caller and unique to the caller to provide correlation between the caller and system with a maximum length of 255

  - `published-timestamp` (integer, required)
    The timestamp, expressed in Epoch timestamp using millisecond precision, when this event was published.

  - `signature-v2` (string, required)
    The signature to verify the authenticity of this request.  This is the base64 hash (HmacSHA256) of the call-ref + payload + published-timestamp using your API key.

  - `signature` (string, required)
    The signature to verify the authenticity of this request.  This is the base64 hash (HmacSHA256) of the published-timestamp using your API key.

## Request fields (application/json):

  - `id` (object, required)

  - `id.id` (string, required)

  - `id.type` (string, required)
    Enum: "managed_cards", "managed_accounts"

  - `currency` (string, required)
    The currency expressed in ISO-4217 code. Example: GBP, EUR, USD.

  - `availableBalance` (integer, required)

  - `publishedTimestamp` (string, required)
    Epoch timestamp using millisecond precision.


## Response 204 fields