Checkout Started Event

Event Type: cart.checkout_started

When sent: When a customer begins the checkout process (cart converted to checkout).

Not sent when: Checkout is initiated via SDK API calls.

This represents high purchase intent - use for conversion tracking and urgent remarketing.

Example webhook payload

Webhook Payload Schema

Checkout started event data (when cart is converted to checkout)

Property

Type

Description

storeIdrequired

string (uuid)

Store identifier

customerId

string (uuid)

Customer identifier

occurredAtrequired

string (date-time)

When the event occurred

externalReference

string

External reference for tracking

cartIdrequired

string (uuid)

Cart identifier that was converted

checkoutIdrequired

string (uuid)

Checkout identifier

itemsrequired

object[]

Checkout items

totalsrequired

object

Order totals DTO for webhook events

customerrequired

object

Customer information for webhook events

checkoutStartedAtrequired

string (date-time)

When checkout was started