---
title: "Check Arena Model Config Handler"
method: POST
path: "/arena/model-config/check"
---

# Check Arena Model Config Handler

`POST /arena/model-config/check`

Start the LLMConfig capability checks the Arena admin flow gates on.

Spawned rather than awaited: Modal cuts a web endpoint request off
at 150s, and a cold worker plus three provider calls can outlast
that. The caller polls the companion route for the report.

## Request body

- CheckArenaModelConfigRequest — A candidate `arena_model_configs.config` JSON to validate and exercise.
  - `config` object, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/creativemode/apis/creativemode-api.md) · [All operations](https://skmtc.dev/creativemode/apis/creativemode-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/creativemode/creativemode-api/revisions/eb480f5f0703/schema)