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Refund Policy

NixAPI is a prepaid, usage-based service. Please read this policy before topping up or consuming credits.

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1. Scope

This Refund Policy governs the purchase of prepaid credits from NixAPI (“NixAPI”, “we”, “us”) through the console at api.nixapi.com, refund requests and related fees. It forms part of our Terms of Service. Where it conflicts with mandatory consumer protection law in your jurisdiction, that law prevails to the extent required.

Credits purchased through resellers, agents or other third parties are subject to the refund terms of the party you bought them from.

2. About prepaid credits

  • API calls require prepaid credits associated with your account. Each request is deducted from your balance based on the prices and group multipliers shown in the console at the time of the request.
  • You can review the amount before paying. Payment processing fees and transaction charges may apply.
  • Credits are a prepayment for the Service only. They are not currency, bear no interest, and cannot be transferred between accounts or exchanged for cash.
  • Because each request incurs real cost with our upstream providers as soon as it is processed, usage cannot be reversed once it has occurred.

3. Refund window for unused credits

A refund of unused credits must be requested within 24 hours of the purchase being processed. If no request is received within that time, any unused credits from that purchase become non-refundable, except on closure of your account under section 7.

  • Only the principal amount of unused purchased credits is refunded. Payment processing fees are non-refundable in all circumstances.
  • If a purchase included bonus credits, any bonus credits already used are deducted from the refund.
  • Approved refunds are returned to the original payment method.
  • We may decline requests showing signs of abuse, such as repeated top-up-and-refund cycles or exploiting promotions.

4. Cryptocurrency payments

Payments made in cryptocurrency are strictly non-refundable, without exception — including within the 24-hour window, on account termination, and where credits are unused. Make sure you fully understand and accept this before completing a cryptocurrency transaction.

  • You are responsible for sending the correct amount, token and network to the address shown at checkout. Funds sent to a wrong address, on an unsupported network or in an unsupported token cannot be recovered or refunded.
  • Credits are added once the transaction is confirmed on-chain. Network fees (gas) are borne by you.
  • You represent and warrant that the cryptocurrency used for the purchase, and the source of those funds, do not constitute the proceeds of any financial or other crime. We may freeze credits and suspend the account if we have reason to suspect otherwise.

5. Non-refundable items

  • credits already consumed by API requests, including requests that returned errors, timed out, were cancelled by the client or were refused by content filters after reaching the upstream model;
  • unused credits requested after the 24-hour window, except on account closure under section 7;
  • promotional, bonus, sign-up, referral, gifted or compensation credits, and credits obtained from redemption codes;
  • payment processing fees and transaction charges;
  • any payment made in cryptocurrency (see section 4);
  • expired credits;
  • credits in accounts suspended or terminated for violating our Terms of Service or Acceptable Use Policy;
  • dissatisfaction with the quality, style or accuracy of model output, which is generated by third-party models and not guaranteed;
  • losses resulting from leaked or shared API keys.

6. Expiry of credits

We reserve the right to expire credits that remain unused 365 days after purchase. Expired credits are non-refundable and non-transferable. Promotional credits may carry a shorter validity period, as stated when they are issued.

7. Account termination

  • Termination by you. If you voluntarily request closure of your account, any remaining unused purchased credits will be refunded to the original payment method within 30 days of closure, except for cryptocurrency payments, which are non-refundable. Payment processing fees, promotional or bonus credits, and expired credits are not refunded. Once the account is closed, it cannot be restored.
  • Termination for breach. If we terminate your account because you breached our Terms of Service or Acceptable Use Policy — including malicious attacks, unauthorized reselling of API access, fraud or abuse of the interfaces — any unused credits are forfeited and will not be refunded.

8. Billing anomalies

In the following limited circumstances, we will make a billing adjustment after verifying our call logs and payment records:

  • Duplicate charges: if credits are deducted more than once for the same request because of a fault on our platform, the excess is returned to your account balance in full once verified.
  • Paid but not credited: if a payment succeeded but the credits did not arrive, we will credit your account or refund the payment once verified.
  • Unauthorized top-up: if your payment account was used without authorization to purchase credits, submit a written complaint with supporting evidence within 7 days of the transaction, and we will assist with a reversal.
  • Platform-wide outage: if a serious interruption attributable to NixAPI itself — not to an upstream provider — makes purchased credits entirely unusable for a prolonged period, we may, at our discretion, provide reasonable compensation in the form of account credit.

Compensation and corrections are made to your account balance, not in cash, unless stated otherwise above.

9. Upstream interruptions and model changes

NixAPI routes requests to third-party upstream providers that we do not control. Upstream outages, rate limits, degraded performance, model deprecations, behavior changes or price changes do not in themselves entitle you to a refund or compensation. Requests that fail before being processed by any upstream model are generally not charged.

10. Price changes

Prices and group multipliers may change, usually to follow upstream costs. We will try to announce changes in advance through the console or website, but changes driven by upstream providers may take effect immediately. New prices apply only to requests made after they take effect. If you do not accept a change, you may stop purchasing credits; unused credits remain subject to the refund window in section 3.

11. How to request a refund

Within the refund window, email support@nixapi.com from your registered email address or contact our online support, and include:

  • your account username or ID;
  • the order number, payment time and amount;
  • the reason for the request.

We aim to respond within 3 business days. Approved refunds are returned to the original payment method; the actual arrival time depends on the payment channel:

  • credit or debit card: typically 5 to 10 business days, depending on your issuing bank;
  • other payment methods: typically 3 to 7 business days.

12. Chargebacks

Please contact us before opening a chargeback or payment dispute — most issues can be resolved quickly. If a chargeback is filed without first contacting us, we may immediately suspend the account and all associated API keys while the dispute is pending, and we reserve the right to recover the disputed amount and related fees.

13. Changes and contact

We may update this policy from time to time. The version in effect at the time of your purchase applies to that purchase. This policy is provided in English and Chinese; if there is any inconsistency, the Chinese version prevails. Questions can be sent to support@nixapi.com.