# Plaid::LinkTokenCreateResponse ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **link_token** | **String** | A `link_token`, which can be supplied to Link in order to initialize it and receive a `public_token`, which can be exchanged for an `access_token`. | | | **expiration** | **Time** | The expiration date for the `link_token`, in ISO 8601 format. A `link_token` created to generate a `public_token` that will be exchanged for a new `access_token` expires after 4 hours. A `link_token` created for an existing Item (such as when updating an existing `access_token` by launching Link in update mode) expires after 30 minutes. | | | **request_id** | **String** | A unique identifier for the request, which can be used for troubleshooting. This identifier, like all Plaid identifiers, is case sensitive. | | ## Example ```ruby require 'plaid' instance = Plaid::LinkTokenCreateResponse.new( link_token: null, expiration: null, request_id: null ) ```