The id of the contact for which you are sending responses. The contact id is optional for anonymous surveys.

2-letter ISO 639-1 language code. The available language codes can be found for each survey in the Survey - Langs property.

The id of the browser used to complete the survey.

The id of the operating system used to complete the survey.

The IP address used to complete the survey.

Can be used to test your API-call, no results will be recorded but the exception handling will occur.

The id shows the completion level: partial, reached end or screened out.

The response for this question and respondent

The elapsed time in seconds (of the page) which will be added to the current elapsed time for the entire respondent

Add responses for a new respondent