v52

latestOpenAPI 3.0.1AGPL-3.0raw.githubusercontent.com2026-08-01255473862.7 KB

Webhook Events

checkout.session.initiated

Fired when a Checkout Session is created and a payment URL is returned to the customer. Doc-only for parsing.

post/webhook-events/checkout.session.initiated

Response

Webhook payload

event_type'subscription.created' | 'subscription.draft.created' | 'subscription.activated' | 'subscription.updated' | 'subscription.paused' | 'subscription.cancelled' | 'subscription.resumed' | 'subscription.phase.created' | 'subscription.phase.updated' | 'subscription.phase.deleted' | 'feature.created' | 'feature.updated' | 'feature.deleted' | 'feature.wallet_balance.alert' | 'entitlement.created' | 'entitlement.updated' | 'entitlement.deleted' | 'wallet.created' | 'wallet.updated' | 'wallet.terminated' | 'wallet.transaction.created' | 'wallet.transaction.updated' | 'payment.created' | 'payment.updated' | 'payment.failed' | 'payment.success' | 'payment.pending' | 'customer.created' | 'customer.updated' | 'customer.deleted' | 'invoice.update.finalized' | 'invoice.update.payment' | 'invoice.update.voided' | 'invoice.update' | 'invoice.payment.overdue' | 'wallet.credit_balance.dropped' | 'wallet.credit_balance.recovered' | 'wallet.ongoing_balance.dropped' | 'wallet.ongoing_balance.recovered' | 'wallet.ongoing_balance.updated' | 'subscription.spend.threshold_reached' | 'subscription.spend.threshold_recovered' | 'subscription.line_item_spend.threshold_reached' | 'subscription.line_item_spend.threshold_recovered' | 'subscription.group_spend.threshold_reached' | 'subscription.group_spend.threshold_recovered' | 'entitlement.grant.exhausted' | 'subscription.renewal.due' | 'invoice.communication.triggered' | 'credit_note.created' | 'credit_note.updated' | 'checkout.session.initiated' | 'checkout.session.completed' | 'checkout.session.failed' | 'checkout.session.expired' | 'event.rejected'