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In order to get micropayment whitelisted successfully, the quantity must meet our Exchange's minimum deposit requirement. Please refer to our website for more details:

<https://support.hashkey.com/hc/en-gb/articles/900003312086-HashKey-Exchange-Fee-Structure>

When the request parameter "quantity" is specified as the same value, the deposit random amount (Micropayment) will always remain the same. There will be no change unless the specified "quantity" value is changed

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Wallet signing verification is now supported!

Weight: 1

Request Parameters

PARAMETER	TYPE	Req 'd	Example Values	DESCRIPTION
coin	STRING	Y	USDT	Coin name
chainType	ENUM	Y	USDT_ETH	Coin_Chain
quantity	STRING	Y	0.1	Deposit Amount
walletId	STRING		1667406048590383617	Wallet Id
signAddress	STRING		0x7269BC4A66c755b951f068626201090F0C3098e9	The wallet address provided for Signature verification

Response Content

PARAMETER	TYPE	Example Values	DESCRIPTION
coin	STRING	BTC	Coin name
depositAddress	STRING	0x7c07adb0D2DE76241b262595860b16Cf90615aa0	Deposit Address (To)
depositAmount	STRING	0.0004	HashKey specified random deposit amount
addressExt	STRING	Other exchanges or wallets may refer to Memo as Digital ID, Tag, Memo, Note, Remark, or Comment.	ddressExt is a unique code used to identify a specific account or user, ensuring that funds are sent to the correct recipient.
chainType	STRING	Tron
signPhrase	STRING	It is hereby declared,on 2024/06/27,that I/we own the address 0x7269BC4A66c755b951f068626201090F0C3098e9.Serial Code:82155	This is a phrase that's required to be signed by user to verify wallet address via signing challenge

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