terms of service
last updated: january 2026
1. acceptance of terms
by accessing and using tio, you agree to be bound by these terms of service. if you do not agree to these terms, please do not use our service.
2. description of service
tio is a free knowledge engine that provides AI-generated definitions and explanations. we also operate an online store selling branded merchandise.
3. use of service
you agree to use tio only for lawful purposes. you may not use our service to:
- violate any applicable laws or regulations
- infringe on the rights of others
- attempt to gain unauthorized access to our systems
- interfere with or disrupt the service
4. store purchases
all store purchases are processed securely through Stripe. products are printed and shipped by our fulfillment partner, Printful.
- prices are listed in USD
- shipping times are estimates and may vary
- we are not responsible for delays caused by shipping carriers
5. refund policy
we offer refunds within 30 days of purchase for unworn, unwashed items in original condition.
- contact us to initiate a return
- defective or incorrect items will be replaced at no cost
- shipping costs for returns are the customer's responsibility unless the item is defective
- refunds are processed within 5-10 business days
6. intellectual property
all content, logos, and branding on tio are owned by us and protected by intellectual property laws. you may not reproduce, distribute, or create derivative works without permission.
7. disclaimer
tio is provided "as is" without warranties of any kind. we do not guarantee the accuracy, completeness, or reliability of any information provided by the service. AI-generated content should not be considered professional advice.
8. limitation of liability
to the maximum extent permitted by law, we shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of tio.
9. changes to terms
we may update these terms at any time. continued use of the service after changes constitutes acceptance of the new terms.
10. contact
for questions about these terms, contact us at legal@tio.to