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Here you will find a detailed step-by-step guide on buying crypto with Fiat currencies by using Third-Party Channel. Before you begin your Fiat purchase, please complete your Primary KYC. Step 1Here you will find a detailed step-by-step guide on buying crypto with Fiat currencies by using Third-Party Channel. Before you begin your Fiat purchase, please complete your Primary KYC. Step 1

Learn/Trading Guide/OTC/Buy Crypto via Third-Party Channel

Buy Crypto via Third-Party Channel

Author: MEXC

Sep 21, 2026MEXC

2 min

Here you will find a detailed step-by-step guide on buying crypto with Fiat currencies by using Third-Party Channel. Before you begin your Fiat purchase, please complete your Primary KYC.

Step 1

Click “More” on the upper navigation bar, select “Buy Crypto”, and then choose “Quick Buy/Sell” on the drop down list to access the option of Express Buy crypto. Then, proceed to click on Third-party.

Click [Buy Crypto] on the top navigation bar. Then, select [Quick Buy/Sell] from the dropdown menu to access the quick crypto purchase option. FInally, click on [Third-party].

Alternatively, you can click on this URL page: https://otc.mexc.com/creditCard

Step 2

Select the Fiat currency you want to pay for. Taking EUR as an example, there are few Third-party service providers you can choose from the list to get the best buying price.

Step 3

Select the cryptocurrency you would like to receive in your MEXC wallet address. Available options include: USDT, USDC, BTC, few altcoins and stablecoins that are commonly used.

Step 4

Enter the Fiat amount that you are willing to spend and select the Cryptocurrency you intend to receive. Choose your desired Third-party service providers and you are able to check the unit price in the Payment Details.

Note:

1）The Unit price and Amount of convertible Cryptocurrency (which indicates the real-time quotation) is for reference only. Please refer to the Third-party service provider’s website for the exact exchange rate.

2）The real-time quotation [next to the wording "Choose Payment Channel"] will be refreshed within the timeframe specified by the Third-party service provider.

3）You can check the minimum purchase limit for each currency in the input box. Taking USD as an example, the minimum purchase amount is $30 and the maximum purchase amount is $12,000

4）Adjustment of the purchase limit is solely controlled by Third-party service providers and we do encourage the user to communicate directly with the respective Third-party service providers. You may find their contact information in the Disclaimers section of our Third-party Channel trading website https://otc.mexc.com/creditCard

Step 5

Read carefully on the Disclaimer to make sure that you understand and agree with the terms and conditions. Then proceed to mark a Tick on the "Accept and Continue" button. You will be redirected to the Third-party service provider’s official webpage to continue with the purchase.