Terms and Conditions

Last updated: April 16, 2026

These Terms and Conditions ("Terms") govern your use of the developer tools, APIs, and services provided by ys88.io ("we," "us," or "our"). By accessing our services or registering for API access, you agree to these Terms.

1. API Access and Use

Access to ys88.io APIs is granted subject to approval. You may not use our APIs to:

  • Send unsolicited communications (spam)
  • Violate any applicable laws or regulations
  • Resell or redistribute API access without written permission
  • Reverse engineer or attempt to extract source code from our services

We reserve the right to suspend or terminate API access for violations of these Terms.

2. Text Messaging Program

Program Name: ys88.io Messaging

Description: When you opt in, you may receive text messages from ys88.io related to your developer account, including API notifications, usage alerts, and service updates.

Message Frequency: Message frequency varies based on your account activity. You may receive up to 10 messages per month.

Message and Data Rates: Message and data rates may apply. Check with your wireless carrier for details.

3. Opt-In and Consent

By providing your phone number during registration and checking the consent box, you expressly consent to receive text messages from ys88.io. Consent is not a condition of accessing our services.

4. Opt-Out Instructions

You may opt out of receiving text messages at any time by replying STOP to any message. After opting out, you will receive a final confirmation and no further messages.

5. E-Signature Services

ys88.io provides access to electronic signature functionality for document workflows. By using these features, you agree that:

  • Electronic signatures created through our service are legally binding where permitted by applicable law
  • You are responsible for ensuring you have the right to send documents for signature
  • You will not use e-signature features for fraudulent, deceptive, or unlawful purposes

6. Supported Carriers

Messages are supported on all major U.S. wireless carriers, including AT&T, Verizon, T-Mobile, and others. Carriers are not liable for delayed or undelivered messages.

7. Intellectual Property

All content, APIs, and software provided by ys88.io remain our property. Your use of our APIs does not grant you any ownership rights.

8. Limitation of Liability

ys88.io is not responsible for incomplete, lost, late, or misdirected messages, including those undeliverable due to carrier issues or incompatibilities. Our total liability for any claim arising from use of our services is limited to the amount paid by you in the three months preceding the claim.

9. Privacy

Your use of our services is also governed by our Privacy Policy, which is incorporated into these Terms by reference.

10. Changes to Terms

We reserve the right to modify these Terms at any time. Updated Terms will be posted on this page with a revised effective date. Continued use of our services after changes constitutes acceptance of the modified Terms.

11. Contact Us

If you have questions about these Terms, please contact us at:

ys88.io
Email: [email protected]