---
title: "Create job execution"
method: POST
path: "/jobs/{jobId}/executions"
tags: ["jobs"]
---

# Create job execution

`POST /jobs/{jobId}/executions`

Triggers a new execution of the batch job. Each execution runs multiple tasks in parallel according to the job's configured concurrency. Tasks can be parameterized via the request body.

## Path parameters

- `jobId` string, required

## Request body

- CreateJobExecutionRequest — Request to create a job execution
  - `env` object — Environment variable overrides (optional, will merge with job's environment variables)
  - `executionId` string — Execution ID (optional, will be generated if not provided)
  - `id` string — Unique message ID
  - `jobId` string — Job ID
  - `memory` integer — Memory override in megabytes (optional, must be lower than or equal to job's configured memory)
  - `tasks` object[] — Array of task parameters for parallel execution
  - `workspaceId` string — Workspace ID

## Response `200`

successful operation

- CreateJobExecutionOutput — Response returned when a job execution is successfully created. Contains identifiers and the tasks that will be executed.
  - `executionId` string — Unique identifier for the created execution. Use this ID to track execution status, retrieve logs, or cancel the execution.
  - `id` string — Unique identifier for this request, used for idempotency and tracking. Auto-generated if not provided in the request.
  - `jobId` string — Name of the job that this execution belongs to
  - `tasks` object[] — Array of task configurations that will be executed in parallel according to the job's concurrency settings. Each task can have custom parameters.
  - `workspaceId` string — Name of the workspace where the job execution was created

## Other responses

- `400` — bad request
- `500` — internal server error

---

[API](https://skmtc.net/blaxel/apis/blaxel-control-plane.md) · [All operations](https://skmtc.net/blaxel/apis/blaxel-control-plane/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/blaxel/blaxel-control-plane/versions/dfa264bc72ee/schema)