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/P2P & OTC/Buy Crypto via Third-Party Channel

Buy Crypto via Third-Party Channel

Author: MEXC Research Team

Sep 21, 2026MEXC Research Team

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.

Step 6

At the Third-party service provider's official website, fill in your relevant information and follow the

purchase process to complete the transaction. After you have successfully purchased cryptocurrency, you

can click on the "Orders" to view historical transaction records.

If you have any questions, feel free to submit an OTC ticket for consultation.

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