Last updated: March 2026
STEMIND is sold by Paddle.com as the Merchant of Record. All billing, payment processing, and refunds are handled by Paddle on our behalf.
✅ No-questions-asked refund within 30 days
If you are not satisfied for any reason within 30 days of your initial purchase (Starter or Lab plan), you are entitled to a full refund of the amount paid.
Renewal payments are also eligible for a refund if requested within 30 days of the renewal charge date.
Option A — Email Us
Contact us at billing@stemind.io with your account email and the Paddle invoice number. We process refunds within 3–5 business days.
Option B — Contact Paddle Directly
Use Paddle's buyer support: paddle.com/legal/checkout-buyer-protection
You may cancel your subscription at any time from Settings → Billing. Upon cancellation, your plan remains active until the end of the current billing period. No further charges will be made after cancellation.
⚠️ Note on AI runs
AI usage credits consumed (EXPLORE ~$0.50, DEVELOP ~$3.00, VALIDATE ~$8.00 per run) are non-refundable once the run completes successfully, as these costs are passed directly to our AI providers. Subscription fees are fully refundable within the 30-day window.
For any billing questions: billing@stemind.io · We typically respond within one business day.