---
title: "POST /workflows/{workflowId}/preflight"
method: POST
path: "/workflows/{workflowId}/preflight"
---

# POST /workflows/{workflowId}/preflight

`POST /workflows/{workflowId}/preflight`

## Path parameters

- `workflowId` string, required

## Headers

- `Idempotency-Key` string, required

## Request body

- WorkflowRequest
  - `confirmationId` string
  - `expectedWorkflowRevision` string
  - `input` WorkflowInput
    - `url` string, uri
    - `values` object
  - `nodeConfigs` object
  - `workflowId` string

## Response `200`

Frozen revision, effects, and optional confirmation

---

[API](https://skmtc.dev/overlap/apis/overlap-internal-domain-api.md) · [All operations](https://skmtc.dev/overlap/apis/overlap-internal-domain-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/overlap/overlap-internal-domain-api/revisions/a7c23a61171f/schema)