LMU AI Refunds Policy 退款政策

LMU AI Refunds Policy
Scope: api.lmuai.ai and related domains.
Operator: LMU AI LIMITED ("we", "us", "our").

1. Account Balance (Pay-as-you-go)
   Unused, paid account balance may be refunded upon request at any time, calculated based on your actual remaining balance at the time of the request. The refund amount will not exceed the amount actually paid for that balance, less a payment processing fee equal to 0.5% of the refund amount. Bonus credits, promotional credits, and referral rewards are non-refundable.
2. Subscription Plans (Weekly / Monthly)
   Subscription plans are one-time purchases with no automatic renewal; whether to renew is entirely your decision.
   2.1 No-Risk Refund (Full Refund)
   For a first-time plan purchase, you may request a full refund if the request is submitted within 7 days of purchasing a monthly plan or within 3 days of purchasing a weekly plan.
   2.2 Early Cancellation (Partial Refund)
   If the above full-refund conditions are not met, the used portion will be settled at the plan’s standard (non-discounted) price, and the remaining value will be refunded:

• Refund amount = Amount paid − (Standard plan price × usage ratio) − payment processing fee equal to 0.5% of the refund amount;
• The usage ratio is calculated as the higher of “days used ÷ total days” and “quota consumed ÷ total plan quota,” with days used rounded up to the nearest full day;
• Once a partial refund is processed, the corresponding subscription benefits, including the remaining term and quota, will terminate immediately;
• No refund will be issued if the calculated refund amount is zero or negative.
  2.3 Refund Requests Not Accepted in the Following Cases
• Weekly plans with less than 48 hours remaining, or monthly plans with less than 72 hours remaining;
• Accounts showing a pattern of repeated purchases and refund requests. We reserve the right to deny refunds or revoke eligibility for future discounts for such accounts.

3. Service Disruption Refunds
   If we confirm that a disruption or defect in our Service prevented you from using your purchased quota, you may choose to extend your plan term, receive credit for the affected usage, or receive a refund for the affected amount.
4. Refunds Due to Service Scope Changes
   If a refund becomes necessary because an upstream model provider discontinues its service or because we adjust the scope of the Service—for example, by discontinuing support for a specific model—you may request a refund limited to the affected quota or remaining term.
5. Non-Refundable Situations
   Refunds will not be issued in the following situations:

• The account has violated our Terms of Service;
• The plan quota has been substantially consumed;
• The request arises from changes made by an upstream provider that are beyond our control and do not materially affect the Service as a whole;
• The request does not meet the time limits or other conditions stated above.

6. How to Request a Refund
   To request a refund, email support@mail.lmuai.ai from your registered email address and include your order number. We will respond within 2 business days. Approved refunds will be processed to the original payment method within 5–10 business days. The actual time required for the funds to arrive depends on the payment processor.
   Last updated: August 19, 2026

LMU AI 退款政策
适用范围：api.lmuai.ai 及相关域名。
运营方：LMU AI LIMITED（以下简称“我们”）。

1. 账户余额（按量付费）
   对于账户中尚未使用的已付费余额，您可以随时申请退款。退款金额将根据您提出申请时账户内的实际剩余余额计算，但不得超过您为该部分余额实际支付的金额，并须扣除退款金额 0.5% 的支付处理费。赠送额度、促销额度及推荐奖励均不可退款。
2. 订阅计划（周付/月付）
   订阅计划均为一次性购买，不会自动续订；是否续订完全由您自行决定。
   2.1 无风险退款（全额退款）
   首次购买订阅计划的用户，如果在购买月付计划之日起 7 日内，或在购买周付计划之日起 3 日内提出申请，可以申请全额退款。
   2.2 提前取消（部分退款）
   如果不符合上述全额退款条件，已使用部分将按照该计划的标准价格（即非折扣价格）结算，剩余价值将予以退还：

• 退款金额 = 实际支付金额 −（计划标准价格 × 使用比例）− 退款金额 0.5% 的支付处理费；
• 使用比例按照“已使用天数 ÷ 总天数”与“已消耗额度 ÷ 计划总额度”两者中的较高值计算，其中已使用天数不足一日的部分按一整日向上取整；
• 部分退款处理完成后，相应的订阅权益（包括剩余有效期及剩余额度）将立即终止；
• 如果计算得出的退款金额为零或负数，则不予退款。
  2.3 以下情形不接受退款申请
• 周付计划的剩余有效期不足 48 小时，或月付计划的剩余有效期不足 72 小时；
• 账户存在反复购买后申请退款的行为模式。对于此类账户，我们保留拒绝退款或取消其今后享受折扣资格的权利。

3. 服务中断退款
   如果经我们确认，本服务发生的中断或缺陷导致您无法使用已购买的额度，您可以选择延长订阅计划的有效期、获得受影响使用额度的补偿，或获得受影响金额的退款。
4. 因服务范围变更而产生的退款
   如果因上游模型提供商终止服务，或因我们调整本服务的范围（例如停止支持某一特定模型）而需要退款，您可以就受影响的额度或剩余有效期申请退款。
5. 不予退款的情形
   以下情形不予退款：

• 账户存在违反我们的服务条款的行为；
• 计划额度已被大量使用；
• 退款申请因我们无法控制的上游提供商变更而提出，且该变更未对本服务的整体使用造成重大影响；
• 退款申请不符合上述申请时限或其他条件。

6. 如何申请退款
   请使用您的注册电子邮箱，将退款申请及订单编号发送至 support@mail.lmuai.ai。我们将在 2 个工作日内回复。经批准的退款将在 5 至 10 个工作日内按原支付方式处理，实际到账时间取决于支付处理机构。
   最后更新日期：2026 年 8 月 19 日