Effective date: 27 September 2026
These Terms and Conditions (“Terms”) govern your use of Onelyn’s website, merchant dashboard, customer app and related services (together, the “Service”). The Service is operated by Goutham Raj S, trading as Onelyn. (“Onelyn”, “we”, “us”).
By creating an account, making a payment or using the Service, you agree to these Terms. If you do not agree, please do not use the Service.
1. The Service
Onelyn is a customer engagement and loyalty software service for retail merchants, including digital bills, rewards, offers, customer insights and WhatsApp/SMS messaging to the merchant’s own customers.
2. Accounts
2.1 You must be at least 18 years old and able to enter into a binding contract under Indian law to register as a merchant. 2.2 You must give accurate business details and keep them up to date. 2.3 You are responsible for keeping your login secure and for all activity under your account. Tell us immediately at [email protected] if you suspect unauthorised access.
3. Subscription and Payment
3.1 The Store Plan is billed monthly in advance at the price shown on our Pricing page at the time you subscribe. 3.2 Founding Merchant Price: Merchants who subscribe at the Founding Merchant Price keep that price for as long as their subscription remains continuously active. If the subscription is cancelled or lapses for non-payment, re-subscribing will be at the standard price then in effect. 3.3 Subscriptions renew automatically each month through Razorpay (including UPI Autopay) until cancelled. 3.4 All payments are processed securely by Razorpay. Onelyn does not store your card, UPI or bank account details. 3.5 We will give at least 30 days’ notice of any price change that affects your existing subscription. 3.6 If a renewal payment fails, we may pause features until payment is completed.
4. Messaging Credits
4.1 WhatsApp and SMS messages are paid for with prepaid messaging credits, bought from the dashboard. 4.2 Credits are deducted per message at the rates shown on the Pricing page. 4.3 Credits are valid for [12 months] from purchase, are linked to your merchant account, cannot be transferred, and cannot be exchanged for cash except as set out in our Refund & Cancellation Policy. 4.4 If a message fails because of a fault on Onelyn’s side, the credits for that message are returned to your balance. 4.5 We may revise credit rates with prior notice on the dashboard. Credits already purchased will be honoured at the rate in effect when they were bought.
5. Your Responsibilities When Messaging Customers
Messages are sent only when you, the merchant, initiate or approve them. You agree that: 5.1 You will only message customers who have shared their phone number with your store and have not opted out. 5.2 You will honour opt-out requests promptly. 5.3 You will comply with applicable law, including TRAI regulations on commercial communications, the Digital Personal Data Protection Act, 2023, and WhatsApp’s business policies. 5.4 You will not send messages that are false, misleading, abusive, obscene, illegal, or that promote prohibited goods or services. We may suspend messaging on accounts that break these rules or receive high complaint rates.
6. Acceptable Use
You must not: misuse or attempt to break the Service’s security; reverse-engineer or copy the Service; resell the Service without our written permission; upload malware; or use the Service for any unlawful purpose.
7. Data
7.1 Your store’s customer data belongs to you. Onelyn uses it only to provide the Service to you, as described in our Privacy Policy. 7.2 Your customer data is never shared with or visible to other merchants. 7.3 You are responsible for having a lawful basis to share your customers’ data with Onelyn.
8. Intellectual Property
The Onelyn name, logo, software, LYN and all website content belong to Onelyn. You get a limited, non-exclusive, non-transferable right to use the Service during your subscription. Your own content (store name, logo, offers) remains yours.
9. Third-Party Services
The Service relies on third-party providers such as messaging platforms, telecom operators, payment processors and hosting providers. We are not responsible for delays, blocks or outages caused by these providers.
10. Availability
We aim to keep the Service available at all times but do not guarantee uninterrupted service. We will try to give advance notice of planned maintenance.
11. Refunds and Cancellation
Refunds and cancellations are governed by our Refund & Cancellation Policy.
12. Disclaimer
The Service, including AI suggestions, is provided “as is”. Suggestions are recommendations only; business decisions remain yours. We do not guarantee any particular increase in sales or customer return rates.
13. Limitation of Liability
To the extent permitted by law, Onelyn is not liable for indirect, incidental or consequential losses, including lost profits or data. Our total liability for any claim is limited to the amount you paid to Onelyn in the 3 months before the claim arose.
14. Indemnity
You agree to indemnify Onelyn against claims arising from your breach of these Terms, your messaging practices, or your violation of any law or third-party right.
15. Suspension and Termination
You may cancel at any time from the dashboard or by emailing [email protected]. We may suspend or terminate accounts that breach these Terms, with notice where reasonably possible. On termination, you may request an export of your data within 30 days, after which it will be deleted as described in our Privacy Policy.
16. Changes to These Terms
We may update these Terms. Material changes will be notified by email or on the dashboard at least 15 days before they take effect.
17. Governing Law
These Terms are governed by the laws of India. Courts in Chennai, Tamil Nadu have exclusive jurisdiction.
18. Contact
Questions about these Terms: [email protected], or see our Contact page.