# Frequently asked questions
# Where are your data centers located?
We have 3 IDC：
- EU (Amsterdam)， majorly serve traffic from EMEA countries
- Asia (Singapore), majorly serve traffic from APAC countries
- US (Ashburn), majorly serve traffic from NA/LATAM countries
# What's the timezone your report is using?
We use UTC+0
# The impression expiry window you set?
Usually ranged from 20 ~ 60 minutes. This can be override by imp.exp in bid requests.
# What are your timeout requirements?
Usually ~ 300ms.
# How do you count impressions?
We support both ADM and BURL.
# Do you pass us the net bid CPM or gross bid CPM in the ad response ?
We pass us net bid CPM price in ad response.
# Do you use http protocol or https protocol in your impression tracking URL?
Only https protocol is supported on our side
# Will you be able to provide us with gaid\idfa in every ad request?
Yes for in-app traffic, gaid/idfa is carried in ad requests.
# Do you use the 1st price or 2nd price to calculate the revenue?
We use 1st price by default.
# Which version of video VAST do you support?
- VAST 2.0
- VAST 2.0 Wrapper
- VAST 3.0
- VAST 3.0 Wrapper
# Which version of MRAID you are support?
- MRAID 1.0
- MRAID 2.0
# Do you require either SChain or PChain support?
Yes, SChain is required
# How to indicate reward / interstitial bid requests?
For reqwarded video request
imp.video.ext.rewarded = 1
impr.instl = 1
# Do you support gzip compression on bid requests?