Checkpoints
Save sampler weights
Save sampler-compatible weights without optimizer state for generation. Poll the returned request identifier before sampling from the checkpoint.
Header parameters
Foundry-Features
enum
required
A feature flag opt-in required when using preview operations or modifying persisted preview resources.
Path parameters
sessionId
string
required
Identifier of the fine-tuning session whose sampler weights will be saved.
Query parameters
api-version
string
required
The API version to use for this operation.
Request Body
Explicit checkpoint identifier or sequence identifiers for the sampler weights.
path
string
Explicit sampler checkpoint identifier. Required unless both sequence identifiers are supplied.
sampling_session_seq_id
integer
Ordinal of this sampling session within the training run. Required with seq_id when path is omitted.
seq_id
integer
Training step sequence number. Required with sampling_session_seq_id when path is omitted.
type
enum
Existing request command tag for saving sampler-compatible weights. If omitted, the service defaults to "save_weights_for_sampler".
Responses
The request has succeeded.
Body
request_id
string
required
Request identifier to pass to the session's request-status endpoint.
status
enum
required
Indicates that the request has not yet completed.
Request
POST /fine_tuning/sessions/{sessionId}/checkpoint_sample HTTP/1.1Response
Status: 200
Content-Type: application/jsonStatus: 4XX
Content-Type: application/jsonStatus: 5XX
Content-Type: application/json