OnyxMetric
Annotations

Create Annotation

Pins a note to a date or date range on the site's traffic chart.

POST /api/sites/:site/annotations

Creates an annotation. Any member with access to the site can create site annotations; organization-wide annotations (scope: "organization") require an admin or owner role.

Path Parameters

Prop

Type

Request Body

Prop

Type

Response

Prop

Type

Example

curl -X POST "https://app.onyxmetric.com/api/sites/123/annotations" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "title": "Deployed v2.3.0",
    "date": "2026-08-24T14:10:00Z",
    "color": "sky",
    "scope": "organization"
  }'
{ "success": true, "annotationId": 43 }