Refund Policy

This version is no longer in force. It is published so you can read the terms that applied while it was. Read the version in force

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This policy applies to all paid products and services purchased through Apertis (apertis.ai) and related platforms, operated by Stima AI, LLC..

Applicable services include:

• Apertis API subscription plans (Lite, Pro, Max)
• Apertis API credit top-ups (Pay-As-You-Go)
• StimaChat credit purchases
• Playground, LJDIR-TW, and other related services

1. Self-Service Cancellation

You may cancel your subscription at any time from your account Settings page. Upon cancellation:

• Your subscription remains active until the end of your current billing period.
• For monthly plans, you retain full access through the end of the current month.
• For quarterly or yearly plans, you retain full access through all remaining monthly cycles until your next billing date.
• No further charges will be applied after the current billing period ends.
• You may reactivate your subscription at any time before the billing period ends.

2. Refund Eligibility

(1) Subscription Plans (3-Day Window)

For first-time subscriptions or plan upgrades, you may request a refund within 3 calendar days of the payment date, subject to the following conditions:

• Refund amounts are calculated based on the proportion of your monthly quota used. For example, if you have used 20% of your quota, you will receive a refund of 80% of the amount paid.
• Once a refund is processed, your subscription is immediately cancelled and any remaining quota is revoked.

(2) One-Time Purchases (API Credit Top-Ups, StimaChat Credits, etc.)

• If no credits or quota have been used, a full refund may be requested within 3 calendar days of payment.
• Partially used purchases are generally non-refundable. In special circumstances, a refund minus the used portion may be approved upon review.

(3) General Refund Conditions

Refunds may also be requested in the following situations:

• Service is unavailable due to a major technical failure on Apertis systems.
• Unauthorized third-party use of your account (supporting documentation required).
• Duplicate charges or accidental purchases made within 24 hours (supporting documentation required).

3. Non-Refundable Situations

Refunds are not available in the following cases:

• More than 3 calendar days have passed since the payment date.
• The request is for a recurring renewal charge (not a first-time subscription or plan upgrade).
• Services obtained through promotional offers, discount codes, or special campaigns.
• Issues caused by your own network environment, device, or third-party software.
• Payments that violate Stripe's refund policies.
• Force majeure events (natural disasters, government actions, strikes, etc.).
• Enterprise users with separate contractual agreements — such agreements take precedence.

4. Refund Process & Processing Time

To request a refund:

• Send an email to hi@apertis.ai with your account email address and reason for the request.
• Our support team will review your application within 3 business days.
• Approved refunds are issued to the original payment method via Stripe.

Estimated processing times:

• Credit cards: 7–14 business days after approval.
• Electronic payments (Apple Pay, Google Pay, etc.): 7–14 business days.
• Other payment methods: Up to 30 business days.
• Stripe processing fees are borne by Stima AI, LLC. and are not passed on to users.

5. Service Interruption Compensation

• Continuous outage of 24–48 hours: Service extension equivalent to twice the interruption period.
• Continuous outage exceeding 48 hours: Service extension equivalent to three times the interruption period, or a refund upon request.

6. Policy Changes

Significant changes to this policy will be communicated via website announcement and email notification. If no objection is raised within 3 days of notification, continued use of the service constitutes acceptance of the updated policy.

7. Contact & Governing Law

• Email: hi@apertis.ai
• Phone: +1 814-731-3793

This policy is governed by the laws of the State of Wyoming, United States.

Any disputes shall first be resolved through good-faith negotiation within 30 days. If unresolved, disputes shall be submitted to the courts of Sheridan County, Wyoming.