How to iterate over RESTClient response and call Rest API for each interation

[matthewdeveloper]

Hi everyone, I'm a beginner in Talend, so basically I need to call a REST API, extract one column of the response (array of ids), and then for each ID I need to call another REST API to extract more data. How can I do that?

I managed to get to the array of ids but I have no idea how to interact over each ID to call my next endpoint.

any help would be very appreciated.

[gjeremy1617088143 · Accepted solution]

Hi you can use tFlowtoIterate component after tExtractJsonFields with a main link then you use an iterate link on tRestClient and in the tRestCLient component you use the globalVar of the tFlowToIterate:

eg : if row2 is between tExtractJsonfield and tFlowToIterate then the variable will be (String)globalMap.get("row2.id").

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[matthewdeveloper]

i cant create an iterate link between tFlowtoIterate and the next tRestClient

[gjeremy1617088143]

so you can iterate on a tJava empty and you put an on component ok link between tJava and tRestClient

[matthewdeveloper]

i managed to create the iterate link by using normal tRest

is there any difference between tRestClient and tRest?

[gjeremy1617088143]

if you are familiar with tRestClient keep it :

tFlowToiTerate-->iterate link--> tJava (nothing inside)-->on component ok link--> tRestClient

[matthewdeveloper]

thank you it worked