# Retrieve population statistics audience

Retrieve the population history of the audience. The history is returned per day and those days are calculated in the timezone of the audience.

Endpoint: GET /audiences/{audienceId}/statistics
Version: 1.0.0
Security: TdApikeyAuth

## Security:

  - `TdApikeyAuth` (unknown)
    apiKey in header Authorization

## Path parameters:

  - `audienceId` (integer, required)
    Master Segment Config id to delete

## Query parameters:

  - `from` (string)
    from date

  - `to` (string)
    to date (inclusive)

## Response 200:

  - `200` (unknown)
    array of tuple of statistics

## Response 400:

  - `400` (unknown)
    Given parameters are not valid

## Response 400 fields (application/json):

  - `code` (string, required)

  - `message` (string, required)

## Response 401:

  - `401` (unknown)
    Unauthorized; You don't provide valid credentials. Maybe you didn't specify valid TD's Master API Key as 'TD1 {Your TD Master API Key}'.

## Response 401 fields (application/json):

  - `code` (string, required)

  - `message` (string, required)

## Response 403:

  - `403` (unknown)
    Requested resource or action is not allowed because you don't have sufficient permissions

## Response 403 fields (application/json):

  - `code` (string, required)

  - `message` (string, required)

## Response 404:

  - `404` (unknown)
    The specified resource was not found

## Response 404 fields (application/json):

  - `code` (string, required)

  - `message` (string, required)

## Response 4XX:

  - `4XX` (unknown)
    There is a high possibility of error of the authentication system. Please check the contents and authority of the key. Please contact the TD support team if you do not resolve it.

## Response 4XX fields (application/json):

  - `code` (string, required)

  - `message` (string, required)

## Response 5XX:

  - `5XX` (unknown)
    System error. Because there is a possibility of a temporary error due to network trouble and so on, we recommend several times retry on request side. Please contact the TD support team if you do not resolve it.

## Response 5XX fields (application/json):

  - `status` (integer, required)
    Error status

  - `error` (string, required)
    Error message

  - `details` (string)
    Detailed error message