Link attachments not visible in API

Hello,

I'm trying to get Lead's attachments of type "Link" through API but it returns only attachments that were uploaded as files to Zoho. Attachments added as "Link (URL)" type are not there. Here is an example request:

https://crm.zoho.com/crm/private/xml/Attachments/getRelatedRecords?authtoken=TOKEN&parentModule=Leads&id=LEAD_ID&scope=crmapi

Is there any way to get link attachments?