Are subscriptions automatically debited?
No. VietBilling creates a renewal URL for the next period and reports the payment state.
Subscription Billing
One subscription state your backend can trust.
Track the current period, payment state, and renewal lifecycle without disconnected tables. Keep subscription state consistent across your stack.
Start for freeOutcome
Your application grants access only after a valid webhook or confirmed API response.
01
Create Checkout
Send customer_id and product_id with an idempotency key.
02
Confirm Payment
The configured provider receives funds and VietBilling completes the Checkout.
03
Synchronize access
Receive subscription.created and store subscription_id in your backend.
Integrate from your backend
API keys are server secrets. Never expose them in browser or mobile code.
BASE_URL="https://api.vietbilling.com/public/v2"
curl "$BASE_URL/subscriptions/$SUBSCRIPTION_ID" \
-H "Authorization: Bearer vb_live_..."FAQ
Which state should grant access?
Use a verified webhook or the Public API subscription result.