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POST
Save a dataset version

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

slugOrId
string
required

Body

application/json
name
string
Required string length: 1 - 120

Response

200 - application/json

Success

id
string
required
Minimum string length: 1
projectId
string
required
Minimum string length: 1
datasetId
string
required
Minimum string length: 1
version
integer
required
Required range: x <= 9007199254740991
name
string | null
required
trigger
enum<string>
required
Available options:
autosave,
manual,
experiment_run,
restore,
initial
contentHash
string
required
Minimum string length: 1
columnTypes
object[]
required
rowCount
integer
required
Required range: 0 <= x <= 9007199254740991
sizeBytes
integer
required
Required range: 0 <= x <= 9007199254740991
chunkCount
integer
required
Required range: 0 <= x <= 9007199254740991
restoredFromVersion
integer | null
required
Required range: 0 < x <= 9007199254740991
authorId
string | null
required
authorKind
enum<string> | null
required
Available options:
user,
api_key,
system
pinned
boolean
required
runCount
integer
required
Required range: 0 <= x <= 9007199254740991
createdAt
string<date-time>
required
Last modified on November 3, 2026