# Retrieve a customer's lifetime summary metrics

Retrieves lifetime summary metrics for a customer with a specified ID.

Endpoint: GET /experimental/customers/{customerId}/summary-metrics
Version: latest
Security: SecretApiKey, JWT

## Path parameters:

  - `customerId` (string, required)
    ID of the customer.

## Response 200 fields (application/json):

  - `currency` (string)
    Currency code in ISO 4217 format.
    Example: "USD"

  - `refundsAmount` (number)
    Total amount of all refunded transactions.

  - `revenueAmount` (number)
    Total amount of all approved sales and captures.

  - `disputesAmount` (number)
    Total amount of all disputed transactions.

## Response 401 fields (application/json):

  - `status` (integer)
    HTTP status code.

  - `type` (string)
    Problem type in the form of a [URI](https://tools.ietf.org/html/rfc3986) reference.
It should provide human-readable documentation for the problem type.
When this member is not present, its value is assumed to be "about:blank".

  - `title` (string)
    Short, human-readable summary of the problem type.
Other than for the purposes of localization, this should not change from occurrence to occurrence of the problem.

  - `detail` (string)
    Human-readable explanation that is specific to this occurrence of the problem.

  - `instance` (string)
    URI reference that identifies the specific occurrence of the problem.
It may or may not yield further information if dereferenced.

## Response 403 fields (application/json):

  - `status` (integer)
    HTTP status code.

  - `type` (string)
    Problem type in the form of a [URI](https://tools.ietf.org/html/rfc3986) reference.
It should provide human-readable documentation for the problem type.
When this member is not present, its value is assumed to be "about:blank".

  - `title` (string)
    Short, human-readable summary of the problem type.
Other than for the purposes of localization, this should not change from occurrence to occurrence of the problem.

  - `detail` (string)
    Human-readable explanation that is specific to this occurrence of the problem.

  - `instance` (string)
    URI reference that identifies the specific occurrence of the problem.
It may or may not yield further information if dereferenced.