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GET
Read one experiment

Authorizations

X-Auth-Token
string
header
required

Project API key for sending traces and accessing project-scoped resources. Format: sk-lw-... (no underscore). Obtain one by creating a project via the Admin API or the LangWatch UI.

Path Parameters

slug
string
required

The experiment's slug, or its id

Response

Success

id
string
required
slug
string
required
name
string | null
required
type
string
required
workflowId
string | null
required
createdAt
string
required
updatedAt
string
required
runsCount
number
required
lastRunAt
string | null
required
Last modified on August 26, 2026