You can join into Aliexpress affiliate program in http://portals.aliexpress.com/
How to add Aliexpress into Affilboard
1. Sign into your Aliexpress account on https://portals.aliexpress.com
2. Navigate to Ad Center –> API Setting (https://portals.aliexpress.com/adcenter/apiSetting.htm) and apply for your API key and you have to wait for about 5 working days.
3. Go into your Affilboard dashboard and in left menu click on Affiliate networks –> Aliexpress
4. Complete all required informations such as Program name, API key, Digital signature, choose currency and press insert button.
Your conversions will be added very soon depends on your account.