what approach will be the best practice for getting the multiple child records using Sharepoint v1 REST APIs?

Question

I am using SharePoint v1 REST APIs. I need to query the child records of the models. Currently, as per the Microsoft documentation, there is an API
GET /_api/machinelearning/models/getbytitle('{modelFileName}') HTTP/1.1
reference link : https://learn.microsoft.com/en-us/sharepoint/dev/apis/syntex/rest-getbytitle-method?source=recommendations .

This API has a limitation that it can perform query for a single child record. So, Do SharePoint has a different API that can fetch multiple child records in a single hit? what approach will be the best practice for getting the multiple child records?

Current API used for fetching child records :

Answer 1

Hi @Jitterbit SE
You can refer to following api to get multiple child records

https://xxx.sharepoint.com/sites/123/_api/Web/lists/getbytitle('TestList001')/items?$select=Title,ID,Name,age  

And you will get response like following pic

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Answer 2

Thanks for your response!

https://xxx.sharepoint.com/sites/123/_api/Web/lists/getbytitle('TestList001')/items?$select=Title,ID,Name,age  

In the above scenario , I can only perform query for a single module 'TestList001' and single child object 'items'.

But actually, I need to perform query for fetching multiple child records related to distinct modules in a single go .
For e.g : I have 4 modules and every module contains different childs objects such as (items, Author etc).
So, Is there any API through which I can get the child records for different modules and child objects?