---
title: "Update Training Job"
method: PATCH
path: "/v1/training/jobs/{job_id}"
tags: ["training-jobs"]
---

# Update Training Job

`PATCH /v1/training/jobs/{job_id}`

## Request

- Base URL: `https://api.fastino.ai`
- URL: `https://api.fastino.ai/v1/training/jobs/{job_id}`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer
- TypeScript: <https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/docs/v1/training/jobs/:job_id/patch.ts> (a function with typed inputs; its response is checked against the schema)

Patch a training job. Currently exposes only ``project_id``.

Send ``project_id: null`` to unassign the job. Moving a job changes only
its project association; related resources are not moved automatically.

## Path parameters

- `job_id` string, required

## Request body

- TrainingJobUpdate: Thin PATCH body for ``PATCH /v1/training/jobs/{job_id}``. Exposes only ``project_id``. Send ``null`` to unassign the training job from its current project. Unknown fields are rejected with HTTP 422. Moving a job changes only its project association. Related resources remain in their current projects and must be moved separately.
  - `project_id` string, nullable: Project ID (UUID) to assign the training job to, or null to unassign.

## Response `200`

Successful Response

- UpdateResourceProjectResponse: Response for project assignment update.
  - `message` string, required
  - `success` boolean, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-13** `5ebfd9fe8f46`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/changes/v1/training/jobs/:job_id/patch.md)

---

[API](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api.md) - [All operations](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fastino-ai/apis/pioneer-inference-api/revisions/81465e18c1d2?raw)