Service delivery, termination and refunds

How the service is delivered

This is an English translation provided for convenience; if it differs from the Vietnamese version, the Vietnamese version prevails.

• STEYG Code: a base URL and an OpenAI- and Anthropic-compatible API key to call the models in our catalog from Claude Code, Codex CLI, Cursor, Cline or your own code. The plan activates automatically when payment is confirmed; you create API keys on the STEYG Code page of the dashboard and use them right away.
• STEYG AI and the STEYG One modules are used directly in the browser; access to paid modules opens automatically when payment is confirmed.
• There is no physical delivery and no shipping fee.

Duration, devices and usage

• Duration: monthly plans 30 days; yearly plans 365 days with the budget granted per 30-day cycle; trial 7 days. Details in the Service conditions and limitations (in Vietnamese).
• Devices: works from any computer, server or tool that can send HTTPS requests; the dashboard runs in modern browsers on desktop and mobile.
• Concurrent devices: unlimited. Every request carrying your API key draws from the same budget.
• Main features: model calls through Chat Completions, Responses, Messages, Embeddings and Batch; budget and usage tracking by day and by model; creating and revoking API keys.
• Limitations: see the Service conditions and limitations (in Vietnamese).

When the service ends

• The plan period expires: the service stops at the end of the period unless you pay for a new one. Unused budget is not refunded and does not carry over.
• You stop: you can stop using the service at any time, with no notice and no minimum term. The plan stays usable until the end of the paid period; the remaining budget and time are not refunded, except in the cases under When you get a refund.
• You ask us to delete your account: the service ends when the account is deleted, and all API keys are revoked.
• We suspend or terminate for a breach of the Terms of Service (for example abuse, attacks on the system, unauthorized resale), with an email stating the reason. If the breach is not serious, we refund the unspent budget.
• We discontinue the plan you are on: you are notified in advance by email and refunded the unspent budget of the current period.

When termination takes effect

Send a termination request to the support email from your registered email, or through the hotline, Zalo or Facebook page and then confirm by email. We confirm by email within 1 business day of receiving the request.

The service ends at the time stated in your request; if you state none, at the time we receive it. There is no termination fee and no further charge.

When we terminate for a breach, the termination time is the one stated in our notice email.

When you get a refund

• The fault is STEYG's — prolonged unavailability, an incorrect charge, or a payment that did not activate the plan: we refund the unspent budget or the reconciled difference. Send the request within 30 days of the transaction, with request IDs if you have them.
• Overpaid, duplicate or wrong-amount transfers: we return the money not used to activate a plan, or activate the matching plan if you prefer.
• STEYG suspends your account for a reason other than a serious breach, or discontinues the plan you are on: we refund the unspent budget.
• Budget already used is not refunded, because the inference cost has actually been incurred with the model provider.
• Requests that fail before execution are not charged: the held amount returns to your budget automatically, with no request needed.
• The free trial involves no payment, so there is nothing to refund.

How refunds are paid

The refund equals the share of the transaction's budget left unused, multiplied by the amount you paid for that transaction; for an incorrect charge, exactly the reconciled difference.

• Send the request to the support email from your registered email, or through the hotline, Zalo or Facebook page and then confirm by email, with the transaction ID or payment time.
• We reply within 1 business day, and approve or decline with reasons within 7 business days.
• Refunds are paid by bank transfer in VND to the bank account that made the payment, or to another account you confirm from your registered email, within 7 business days of agreeing the amount. We bear any transfer fee.
• After the refund, the corresponding budget or plan is withdrawn from the account.