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Expose

Record split test exposures

Last updated: May 19, 2026

This endpoint records that a visitor has seen a particular split test variation. The SDK calls this automatically when you call get().

Record Exposures

POST /v1/split-testing/expose Public key

Record one or more split test exposure events. The SDK batches these and sends them after a short delay.

Parameter	Type	Required	Description
propertyId (body)	string	✓	The property the tests belong to
exposures (body)	array	✓	Array of exposure events

Response

{ "success": true }

Example

bash

curl -X POST "https://api.sessionsight.com/v1/split-testing/expose" \
  -H "x-api-key: YOUR_PUBLIC_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "propertyId": "",
  "exposures": ""
}'

Exposure Object

Each item in the exposures array has:

Field	Type	Description
`splitTestKey`	`string`	The test key
`variationKey`	`string`	The variation the visitor was assigned to
`sessionId`	`string`	Session the exposure belongs to. Visitor and user identity are resolved from the session on the backend.
`timestamp`	`number`	Unix timestamp in milliseconds
`attributes`	`object`	Visitor attributes at the time of exposure