The next Kintone update is 8th March 2019. The release also includes the following update.

Kintone REST API

Spec changes

• API tokens can now be used with IP address restriction

  • Before the update:
    When Kintone's REST API request is sent using API token authentication to a Kintone subdomain that has IP address restriction enabled, an error concerning the use of the API token is returned.

  • After the update:
    When Kintone's REST API request is sent using API token authentication to a Kintone subdomain that has IP address restriction enabled, no error occurs and the API call is successful.

    The following documentation will be updated to note this change when the Kintone update is implemented: Authentication