Translate Legacy List Id to Modern List Id

GET {{baseUrl}}/crm/v3/lists/idmapping?legacyListId=<string>

This API allows translation of legacy list id to list id. This is a temporary API allowed for mapping old id's to new id's and will expire on May 30th, 2025.

Request Params

KeyDatatypeRequiredDescription
legacyListIdstringThe legacy list id from lists v1 API.

HEADERS

KeyDatatypeRequiredDescription
Acceptstring

RESPONSES

status: OK

{&quot;legacyListId&quot;:&quot;\u003cstring\u003e&quot;,&quot;listId&quot;:&quot;\u003cstring\u003e&quot;}