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U9 卡
教程
给卡充值
如何给 U9 卡充值？
如何给 U9 卡充值？
在【卡】页面选择要充值的卡片，进入【卡片详情】，点击【充值】。
输入充值金额（最低 1 U9）。
核对页面显示的金额和费用，按提示确认交易。
在卡片余额和【交易记录】中查看到账状态。
注：
1）充值使用您的钱包 U9 余额，U9 不收取充值手续费。2）充值在链上处理，通常在 30 分钟内到账。
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最近修改: 2026-10-14
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U9 卡
了解 U9 卡
什么是 U9 卡？
开通 U9 卡需要哪些步骤？
教程
完成身份认证
身份认证需要准备什么？
如何完成身份认证？
一次通过认证的小技巧
申请 U9 卡并首次充值
如何申请 U9 卡？
给卡充值
如何给 U9 卡充值？
将卡片余额提现到钱包
如何将卡片余额提现到钱包？
添加至 Apple Pay 或 Google Wallet
如何将 U9 卡添加至 Apple Pay？
如何将 U9 卡添加至 Google Wallet？
用卡支付
U9 卡可以在哪里使用？
如何查看卡片信息？
费用与限额
U9 卡收取哪些费用？
授权费、交易拒绝费等分别是什么？
外币支付和跨境交易如何收费？
U9 卡有哪些限额？
哪些国家和地区不支持 U9 卡？
常见问题
身份认证
身份认证需要多长时间？
为什么我的身份认证被拒绝了？
如何重新提交身份认证？
认证一直显示“审核中”怎么办？
可以修改已认证的信息吗？
申请、充值与提现
U9 卡有实体卡吗？可以在 ATM 取现吗？
卡片需要激活或设置 PIN 码吗？
为什么我的新卡还没有出现？
在申请 U9 卡的过程中可以退出吗？
为什么我的充值还没到账？
为什么我的提现还没到账？
支付与安全
支付被拒绝了怎么办？
为什么在加密货币交易所或订阅服务中支付失败？
交易被拒绝，为什么还被扣款了？
被重复扣款怎么办？
商户退款多久到账？
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