error 429 on large inventories

[That Guy From 199x]

I always get error 429 on getPartnerInventoryContents when I fetch large inventories

[TheMaster]

On 5/31/2026 at 3:00 PM, That Guy From 199x said:

I always get error 429 on getPartnerInventoryContents when I fetch large inventories

works fine on small inventories? when u get a 429 on a large inv try doing a small inv reqeust immidietly

 

[That Guy From 199x]

yes, 

request inv < 20000 items ok
after a few sec request inv > 20000 not ok
after a few sec request inv < 2000 still ok

[TheMaster]

On 6/16/2026 at 4:15 AM, That Guy From 199x said:

yes, 

request inv < 20000 items ok
after a few sec request inv > 20000 not ok
after a few sec request inv < 2000 still ok

can i ask which inventories are these with so many items CS inventories store 1k items Max per user

[That Guy From 199x]

Oh this is steam inventories with 100Ks

[TheMaster]

Heads up
Steam returned item data where a trade-lock date in owner_descriptions was garbage (e.g. text like “Tradable After …” that doesn’t parse to a real date).
steamcommunity’s CEconItem tried new Date(badString).toISOString() → RangeError: Invalid time value.