# Retrieve an SMS challenge

Returns a previously created SMS challenge.

Endpoint: GET /v1/mfa/challenges/sms/{id}
Version: 1.0

## Path parameters:

  - `id` (string, required)

## Response 200 fields (application/json):

  - `id` (string)
    The ID of the challenge.
    Example: "6642d15e-8f6b-4d28-9186-cdd61d80032a"

  - `type` (string)
    The type of the challenge.
    Example: "signature"

  - `created_at` (string)
    The date and time when the challenge was created.
    Example: "2022-03-18T14:50:04Z"

  - `expires_at` (string)
    The date and time when the challenge will expire (i.e., 5 minutes after creation).
    Example: "2022-03-18T14:55:04Z"

## Response 400 fields (application/json):

  - `title` (string)
    Example: "Failed to build pagination headers."

  - `status` (integer)
    Example: "400"

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `detail` (string)
    Example: "Cannot connect to database."

  - `code` (string)
    Example: "build_pagination_headers_failure"

  - `error_code` (string)
    a static error_code that can be used to identify the error
    Example: "telephone_number_not_found"

## Response 401 fields (application/json):

  - `errors` (array)

  - `errors.status` (integer)

  - `errors.source` (object)

  - `errors.source.field` (string)

  - `errors.source.message` (string)

  - `errors.code` (string)

  - `errors.title` (string)

  - `errors.detail` (string)

  - `errors.id` (string)
    Correlation/Request ID

## Response 403 fields (application/json):

  - `errors` (array)

  - `errors.status` (integer)

  - `errors.source` (object)

  - `errors.source.field` (string)

  - `errors.source.message` (string)

  - `errors.code` (string)

  - `errors.title` (string)

  - `errors.detail` (string)

  - `errors.id` (string)
    Correlation/Request ID

## Response 404 fields (application/json):

  - `title` (string)
    Example: "Model Not Found"

  - `status` (integer)
    Example: "404"

  - `id` (string)
    Example: "a95f2aaf-4e0c-4d49-8021-8a16a884ed86"

  - `detail` (string)
    Example: "Couldn't find 'Account' for id 'DE24112233445566'."

  - `code` (string)
    Example: "model_not_found"

  - `error_code` (string)
    a static error_code that can be used to identify the error
    Example: "not_found"

## Response 409 fields (application/json):

  - `errors` (array)

  - `errors.status` (integer)

  - `errors.source` (object)

  - `errors.source.field` (string)

  - `errors.source.message` (string)

  - `errors.code` (string)

  - `errors.title` (string)

  - `errors.detail` (string)

  - `errors.id` (string)
    Correlation/Request ID

## Response 500 fields (application/json):

  - `id` (string)
    Example: "e8915041-9d8c-4d96-9dd1-04e8522ecdbf"

  - `status` (integer)
    Example: "500"

  - `code` (string)
    Example: "generic_error"

  - `title` (string)
    Example: "Generic Error"

  - `detail` (string)
    Example: "There was an error."

  - `error_code` (string)
    a static error_code that can be used to identify the error
    Example: "generic_error"