---
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`

## Request

- Base URL: `https://api.chutes.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.chutes.ai/instances/launch_config/{config_id}/graval`
- Auth: none declared

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

- string

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `23e8895b217d`: 1 breaking, 2 info
  - the response's body type changed from no type to `string` for status `200`
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-08-26** `8d909638091e`: 1 info
  - endpoint added
- **2026-08-22** `05d9af05d87e`: 1 breaking
  - api path removed without deprecation

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

---

[API](https://skmtc.dev/chutes/apis/chutes-api.md) - [All operations](https://skmtc.dev/chutes/apis/chutes-api/llms.txt) - [OpenAPI document](https://skmtc.dev/chutes/apis/chutes-api/revisions/8add5b0e22da?raw)