NewUPPAnnotationsAPI initializes UPPAnnotationsAPI by given http client, the url of the UPP public endpoint for getting published annotations and UPP API key.

NewUPPError initializes UPPError.

NoAnnotationsMsg is error message used when there are no processed annotations.

UPPBadRequestMsg is error message used when UPP annotations endpoint returns bad request.

UPPNotFoundMsg is error message used when UPP annotations endpoint returns not found.

UPPServiceUnavailableMsg is error message used when UPP annotations endpoint returns http error code different from bad request and not found.

UPPAnnotationsAPI retrieves published annotations from UPP.

UPPError encapsulates error information for errors originating from calls to UPP annotations endpoint.