I have written a backend application that gets the data of all the responses of my lime survey and adds them to another data bank. I am using lime survey RPC to accomplish it.

Right now, I am using 'export_responses' and it gives me all the responses every time i make a query. What I would like is to have only the newly added responses based on the date/time that i provide.

I am trying to accomplish it using export_timeline method. Is it the correct method to achieve it? I am unable to find any examples on using this method. I try the following, get a status 200 OK in postman but no data.

{
"method": "export_timeline",
"params": [
"DQbrX4RSessionKeyBiCUR7SKK", //sesssion key
"777857", //survey id
"day",
"01-01-2019",
"01-01-2020"
],
"id": 1
}

So i got the export _timeline to work by changing the date format like this:

{
"method": "export_timeline",
"params": [
"DQbrX4RSessionKeyBiCUR7SKK", //sesssion key
"777857", //survey id
"day",
"2019-01-01",
"2019-12-31"
],
"id": 1
}

It gives me only the date of on which the response was made and the auto increment number (but not the response id). like this

{"id":1,"result":{"2019-01-02":1},"error":null}

Can i get a response id from a method?

Response ID and Time ID are the same (must be).

@DenisChenu My survey id's start with 15 for some reason. Could it be that the colleague who set limesurvey up, tested 14 first surveys, deleted them and hence now the number starts from 15? I will have to ask him