Billing flows and payment lifecycle

One-time payment

1) Operator selects a plan in the billing UI. 2) A NOWPayments checkout invoice is created. 3) Operator completes payment via the NOWPayments checkout page. 4) NOWPayments webhook confirms payment status. 5) Workspace plan is upgraded upon confirmed payment.

Recurring billing

1) Operator subscribes with an email address for recurring billing. 2) Recurring invoices are generated based on the plan cycle. 3) Payment reminders are sent to the billing email.

Prepaid credit

1) Operator initiates a balance payment in the billing UI. 2) Payment is processed via NOWPayments. 3) Workspace credit balance is updated.

30-day grace period

1) Operator cancels the subscription in the billing UI. 2) A 30-day grace period applies before access is downgraded. 3) During the grace period, all plan features remain available. 4) After the grace period, the workspace reverts to the Starter plan.

Webhook-verified

Payments are confirmed via the NOWPayments webhook at POST /webhooks/nowpayments. The webhook handler verifies the HMAC-SHA512 signature before processing the event.