Umami · Schema
Session
Visitor session record
Cookieless TrackingOpen-SourcePrivacyWeb AnalyticsWebsite AnalyticsProduct AnalyticsEvent TrackingSelf-HostedGDPRSession ReplayHeatmapsMarketing Attribution
Properties
| Name | Type | Description |
|---|---|---|
| id | string | Session identifier |
| websiteId | string | Website identifier |
| browser | string | Browser name |
| os | string | Operating system |
| device | string | Device type |
| screen | string | Screen resolution |
| language | string | Browser language |
| country | string | Country code |
| createdAt | string | Session start timestamp |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12",
"$id": "https://raw.githubusercontent.com/api-evangelist/umami/refs/heads/main/json-schema/umami-session-schema.json",
"title": "Session",
"description": "Visitor session record",
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "Session identifier",
"format": "uuid",
"examples": [
"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
]
},
"websiteId": {
"type": "string",
"description": "Website identifier",
"format": "uuid",
"examples": [
"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
]
},
"browser": {
"type": "string",
"description": "Browser name",
"examples": [
"Chrome"
]
},
"os": {
"type": "string",
"description": "Operating system",
"examples": [
"Windows"
]
},
"device": {
"type": "string",
"description": "Device type",
"examples": [
"desktop"
]
},
"screen": {
"type": "string",
"description": "Screen resolution",
"examples": [
"1920x1080"
]
},
"language": {
"type": "string",
"description": "Browser language",
"examples": [
"en-US"
]
},
"country": {
"type": "string",
"description": "Country code",
"examples": [
"US"
]
},
"createdAt": {
"type": "string",
"description": "Session start timestamp",
"format": "date-time",
"examples": [
"2026-01-15T10:00:00.000Z"
]
}
}
}
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