After all the limiteds made by the Roblox account was converted to the 2.0 system, the inventory API no longer returns serials for the items.
Example:
https://inventory.roblox.com/v2/assets/35292167/owners?limit=10
{
"previousPageCursor": null,
"nextPageCursor": "1712622365_1_c74b3da41ebc43580bebbe982c066d9c",
"data": [
{
"id": 1712621864,
"serialNumber": null,
"owner": {
"id": 1,
"type": "User"
},
"created": "2014-02-22T17:06:21.537Z",
"updated": "2014-02-22T17:06:21.537Z"
},
{
"id": 1712621879,
"serialNumber": null,
"owner": {
"id": 108397209,
"type": "User"
},
"created": "2014-02-22T17:06:22.337Z",
"updated": "2024-02-10T01:15:16.603Z"
},
{
"id": 1712621915,
"serialNumber": null,
"owner": {
"id": 3095250,
"type": "User"
},
"created": "2014-02-22T17:06:23.673Z",
"updated": "2023-05-26T07:21:27.997Z"
},
{
"id": 1712621979,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:26.183Z",
"updated": "2025-02-04T10:30:15.343Z"
},
{
"id": 1712622108,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:31.003Z",
"updated": "2022-01-13T17:33:14.34Z"
},
{
"id": 1712622110,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:31.143Z",
"updated": "2024-12-08T23:23:00.837Z"
},
{
"id": 1712622123,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:31.51Z",
"updated": "2021-09-05T21:30:24.773Z"
},
{
"id": 1712622162,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:32.813Z",
"updated": "2023-06-11T01:51:36.457Z"
},
{
"id": 1712622277,
"serialNumber": null,
"owner": {
"id": 18693717,
"type": "User"
},
"created": "2014-02-22T17:06:36.137Z",
"updated": "2022-08-04T04:32:30.207Z"
},
{
"id": 1712622365,
"serialNumber": null,
"owner": null,
"created": "2014-02-22T17:06:39.443Z",
"updated": "2023-07-02T21:03:28.27Z"
}
]
}
This item is clearly serialized as you can see by the resellers on the item:
Expected behavior
I’d expect the API to return serial numbers of the copies to be return like it did before.