---
title: "First preview without a key"
method: POST
path: "/v1/try"
---

# First preview without a key

`POST /v1/try`

## Request

- Base URL: `https://render.janction.jp`
- URL: `https://render.janction.jp/v1/try`
- Auth: API key in header `X-API-Key`

Render once without a key. JSON {scene_script | scene_url, frames?, width?, height?, samples?, camera?, environment?, blender?, engine?}. Renders a 720p preview and returns the image links together with an API key created for you (label 'guest'); use it as X-API-Key afterwards. One free try per network per 24 hours, then POST /v1/keys. Waits up to about a minute; if the GPU is lent out it returns the queued job and the key (poll GET /v1/jobs/{id}).

## Request body

- object
  - `scene_script` string
  - `scene_url` string, uri
  - `frames` integer[]: preview: 1-4 frame numbers
  - `width` integer: final: at most 1920x1080 pixels per frame on free time, 3840x2160 with prepaid credit; preview: scaled to 1280x720
  - `height` integer: final: at most 1920x1080 pixels per frame on free time, 3840x2160 with prepaid credit; preview: scaled to 1280x720
  - `samples` integer
  - `camera` string
  - `environment` string
  - `blender` string
  - `engine` string

## Response `200`

Successful Response

- object

---

[API](https://skmtc.dev/janction/apis/janction-render-api.md) · [All operations](https://skmtc.dev/janction/apis/janction-render-api/llms.txt) · [OpenAPI document](https://skmtc.dev/janction/apis/janction-render-api/revisions/a633fd52ea1f?raw)