Payment Policy
Last updated: June 4, 2026
1. Payment Methods
- International: Visa, Mastercard, American Express via Stripe.
- Vietnam: Bank transfer (VietQR), domestic ATM/debit cards, e-wallets (MoMo, ZaloPay, VNPay).
- Enterprise: Wire transfer / invoice (NET-30 terms available).
2. Billing Cycle
- Subscriptions are billed monthly or annually (annual = 2 months free).
- Billing starts after the 30-day Pro trial ends.
- Invoices are issued at the beginning of each billing cycle.
- All prices are listed in USD. VND equivalent shown at checkout for Vietnam customers.
3. Free Trial
- New accounts receive a 30-day Pro trial at no cost.
- No credit card required to start the trial.
- After trial expiry, the account downgrades to Free plan automatically.
- No charge is made unless you explicitly upgrade.
4. Price Changes
- We provide at least 30 days written notice before any price increase.
- Existing annual subscribers are grandfathered until renewal.
- You may cancel before the new price takes effect.
5. Failed Payments
- If payment fails, we retry up to 3 times over 7 days.
- After 3 failed attempts, the account is downgraded to Free plan.
- Your data is retained for 30 days after downgrade. Export via
GET /v1/export.
- DNA-protected memories (preference, decision, identity) are never deleted.
6. Taxes
- Prices exclude applicable taxes (VAT, sales tax).
- Vietnam customers: 10% VAT is added at checkout.
- Tax invoices (hoa don GTGT) available upon request for Vietnam business customers.
7. Contact
Billing questions: [email protected]
MemoryAI Software Solutions JSC ยท Tax ID: 0111444272
No. 5, Cho Alley, Thuong Xuyen, Dai Xuyen, Hanoi, Vietnam