For the complete documentation index, see llms.txt. This page is also available as Markdown.

On/Off-Ramps

We have opened access to our On/Off-Ramps Buy/Sell Crypto routing service, offering a clean and user-friendly one-stop assets transaction dashboard. Developers can easily integrate the Buy/Sell Crypto flow via an iframe, and monitor real-time transaction logs at: https://coindpay.xyz/scan


Buy Crypto

https://coindpay.xyz/wallet?crypto=buy

Parameter
Type
Example
Status
Description

crypto

string*

buy or sell

βœ…

Required. Enables buy or sell crypto mode.

appid

string?

6787***816de

βœ…

Your unique merchant Id claim account Only KYB-verified appid can receive webhooks push.

merchant_transaction_id

string?

βœ…

merchant_transaction_id=xxx123

fiatCurrency

string?

EUR, USD, JPY

βœ…

Optional. The fiat currency code the user wants to pay with (ISO format). Fiat currencies

fiatAmount

number?

100

βœ…

Optional. Buy/Sell amount in the supported fiat or crypto currency format. Lmimits #Fiat currencies

cryptoToken

string?

usdc, eth, btc

βœ…

Optional. The crypto asset the user wants to buy or sell.

address

string?

'0xxxxx'

❌

Temporarily disabled due to security risks. The wallet address used to receive the crypto you purchase, or to transfer funds when you sell crypto.

EUR as fiat pay-in, buy SOL token

https://coindpay.xyz/wallet?crypto=buy&fiatCurrency=EUR&fiatAmount=100&cryptoToken=SOL


Sell Crypto

https://coindpay.xyz/wallet?crypto=sell USD as fiat pay-out, sell USDC token

https://coindpay.xyz/wallet?crypto=sell&fiatCurrency=USD&fiatAmount=100&cryptoToken=USDC

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