s3_url is a signed link to the notification's HTML (the same content the app opens from the notification center). The link is valid for 24 hours; call this endpoint again for a fresh one. s3_url is empty when the notification has no content beyond its title.curl --location 'https://api.plusvibe.ai/api/v1/notification/get?workspace_id=6764274d64169c4e88eec418¬ification_id=6a1b2c3d4e5f60718293a4b5' \
--header 'x-api-key: <api-key>'{
"_id": "6a1b2c3d4e5f60718293a4b5",
"type": "ALERT",
"title": "Attention Required: Campaign 'Q4 Outreach' auto paused",
"created_at": "2026-11-10T12:12:56.771Z",
"is_read": 0,
"s3_url": "https://bucket.s3.eu-central-1.amazonaws.com/notification/2026/11/notification-6a1b2c3d4e5f60718293a4b5.html?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Expires=86400&X-Amz-Signature=..."
}