Sandbox API Tags
Sandbox API operations can have one or more tags that indicate their status:
Proof of concept
Early prototype API for demo and testing purposes. No decision about actual implementation have been made.
Tax Administration has decided to go ahead with development of the API. API is under development and is expected to be published in test and production environments.
API has been developed and is in production. Sandbox endpoint is open for testing with Sandbox API key.
Has test data
Sandbox back end responds with test data rather than just validating the input message.