You may reach out to the third-party payment channels via contact details below: Fiat partner How to contact Simplex https://www.simplex.com/support/ Banxa https://support.banxa.com/en/support/tickets/new MoonPay https://www.moonpay.com/contact-us Mercuryo mailto: support@mercuryo.io Coinify https://help.coinify.com/hc/en-us/requests/new UTORG https://utorg.pro/contacts/ Advcash https://support.advcash.com/hc/en-us/requests/new Fiahub https://www.fiahub.com/livechat/ Itez https://itez.com/contacts

These documents can be accessed at app.okx.com/en-au.Pathway 2: Wholesale derivatives Wholesale clients may access a broader range of derivative products, including futures, options, perpetuals and margin trading, with different leverage parameters. To qualify as a wholesale client, you must meet the criteria set out in the Corporations Act 2001 (Cth).

Kindly refer to: https://www.okx.com/docs-v5/en/#affiliate-rest-api