Your reward $10USD in BTC will be distributed on the next day at 18:00(UTC+8).
From Okex blog post
In celebration of the launch of our new "Buy Crypto" service, we have launched a giveaway for OKEx Fiat Gateway. Users who
purchase more than USD100 on their first order can get USD10 bonus.
Currencies supported: USD, EUR, GBP, KRW, JPY, RUB, TRY, USH, CAD, AUD, NZD, INR, SGD, NGN, KZT, COP, VND, THB, IDR, PHP, BRL,
ARS, MXN, PLN, CHF, SEK, DKK, CZK, NOK, TWD
Okex supports local payment options - Poli & PayID though Banxa ( https://banxa.com/ )
edit. It's not required to do ID Verification at OKEX.
1. Register by Referral and both get $10 each, Register directly and you get $10USD
2. The payment gateway Banxa Require ID Verification, If you don't currently have an account with them.
3. Purchase $100USD or More.
Combine with Celsius Network for an extra $30USD+
Cashout though Coinspot $10AUD