Order actions are called in order to complete an action, such as 'Validate'. If provided the action is not completed if the response is not successful (e.g. http status code 400), note however that in case of a time constraint the action might be completed without a successful response.
Order notifications are called after an event has occurred, such as order reaching 'Completed' state.
{ "id": "o_yClTSySjyAuuBjmiBlHCjuEcTf", "merchant": "string", "channel": "string", "reference": "string", "created": "2019-08-24T14:15:22Z", "lastModified": "2019-08-24T14:15:22Z", "state": { "currentStatus": "checkout", "transitions": [ … ] }, "culture": "string", "currency": "string", "country": "string", "cart": { "reference": "string", "items": [ … ], "discounts": [ … ], "total": { … }, "attributes": { … } }, "shippings": [ { … } ], "payments": [ { … } ], "customer": { "billing": { … }, "shipping": { … }, "type": "Person", "attributes": { … } }, "consents": [ { … } ], "validations": [ { … } ], "hooks": [ { … } ], "notifications": [ { … } ], "total": { "includingVat": 1234, "excludingVat": 987.2 }, "attributes": { "property1": null, "property2": null } }