---
title: "Verify Graval Launch Config Instance"
method: PUT
path: "/instances/launch_config/{config_id}/graval"
tags: ["Instances"]
---

# Verify Graval Launch Config Instance

`PUT /instances/launch_config/{config_id}/graval`

Verify Graval launch config instance by validating PoVW proof and symmetric key usage.

## Path parameters

- `config_id` string, required

## Headers

- `Authorization` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-26** `8d909638091e` — 1 info
  - endpoint added
- **2026-08-22** `05d9af05d87e` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/chutes/apis/fastapi/changes/instances/launch_config/:config_id/graval/put.md)

---

[API](https://skmtc.dev/chutes/apis/fastapi.md) · [All operations](https://skmtc.dev/chutes/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/chutes/fastapi/revisions/7be1aa2fe1a0/schema)