Read list Fine Tuning Job Checkpoints.

Contract-preserving GET Endpoint for list Fine Tuning Job Checkpoints in the OpenAI API. Model and resource-specific values are supplied by the caller at runtime.

All 288 OpenAI Platform REST endpoints from a fixed MIT-licensed official revision, including typed SSE streaming and Realtime call management. Hub provides documentation and an independent SDK/CLI, but never proxies model, account, or usage data; callers connect directly with local API keys.

Request

operationId: listFineTuningJobCheckpoints
Server: https://api.openai.com/v1
Authentication: ApiKeyAuth, AdminApiKeyAuth

Request parameters

`fine_tuning_job_id`

pathstringrequired

fine tuning job id value in the OpenAI API contract.

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`after`

querystring

after value in the OpenAI API contract.

`limit`

queryinteger

limit value in the OpenAI API contract.

Responses

`200`

ListFineTuningJobCheckpointsResponseapplication/json

Successful supplier response.

Properties: datafirst_idhas_morelast_idobject

{
  "data": {
    "created_at": 0,
    "metrics": {
      "full_valid_loss": 0,
      "full_valid_mean_token_accuracy": 0,
      "step": 0,
      "train_loss": 0,
      "train_mean_token_accuracy": 0,
      "valid_loss": 0,
      "valid_mean_token_accuracy": 0
    },
    "object": "fine_tuning.job.checkpoint",
    "step_number": 0
  },
  "has_more": false,
  "object": "list"
}