---
title: "GA4GH: Launch run"
method: POST
path: "/ga4gh/wes/v1/runs"
tags: ["ga4gh"]
---

# GA4GH: Launch run

`POST /ga4gh/wes/v1/runs`

Uses the GA4GH workflow execution service API to launch a new run. Runs are launched in the user workspace context by default. To launch in an organization workspace context, include the `workspaceId` in `workflow_engine_parameters`. Runs are launched with the workspace primary compute environment by default. To launch with a different compute environment, include the `computeEnvId` in `workflow_engine_parameters`.

## Request body

- RunRequest
  - `tags` object
  - `workflow_engine_parameters` object
  - `workflow_params` string
  - `workflow_type` string
  - `workflow_type_version` string
  - `workflow_url` string

## Response `200`

OK

- RunId
  - `run_id` string

## Other responses

- `400` — Bad request
- `403` — Operation not allowed

---

[API](https://skmtc.net/seqeralabs/apis/seqera-api.md) · [All operations](https://skmtc.net/seqeralabs/apis/seqera-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/seqeralabs/seqera-api/revisions/13316c9fe5ff/schema)