Create Webhookpost https://a.klaviyo.com/api/webhooksCreate a new WebhookRate limits:Burst: 1/sSteady: 15/m Scopes: webhooks:writeQuery Paramsfields[webhook]array of stringsFor more information please visit https://developers.klaviyo.com/en/v2026-04-15/reference/api-overview#sparse-fieldsetsfields[webhook]ADD stringBody Paramsdataobjectrequireddata objectHeadersrevisionstringrequiredDefaults to 2026-04-15API endpoint revision (format: YYYY-MM-DD[.suffix])Responses 201Success 4XXClient Error 5XXServer ErrorUpdated over 1 year ago