FLUX.2 [flex] APIドキュメント

import os, time, requests

API = "https://cheapergen.com/api/v1"
headers = {"Authorization": f"Bearer {os.environ['CHEAPERGEN_API_KEY']}"}

# 1. Submit the job
job = requests.post(f"{API}/run/bfl/flux-2-flex/text-to-image", headers=headers, json={
    "prompt": "リネンのテーブルに置かれたドライフラワー入りの陶器の花瓶を撮影したエディトリアル写真。北側からの柔らかな光、フィルム粒子。",
    "aspect_ratio": "1:1",
    "resolution": "1MP"
}).json()

# 2. Poll until it finishes (or pass "webhook_url" and skip polling)
while job["status"] in ("queued", "running"):
    time.sleep(3)
    job = requests.get(f"{API}/generations/{job['id']}", headers=headers).json()

print(job["status"], job["output"]["images"][0]["url"] if job["status"] == "succeeded" else job["error"])

curl -X POST https://cheapergen.com/api/v1/run/bfl/flux-2-flex/text-to-image \
  -H "Authorization: Bearer $CHEAPERGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "prompt": "リネンのテーブルに置かれたドライフラワー入りの陶器の花瓶を撮影したエディトリアル写真。北側からの柔らかな光、フィルム粒子。",
  "aspect_ratio": "1:1",
  "resolution": "1MP"
}'

{
  "id": "gen_8c2QmX1nq0k4",
  "object": "generation",
  "model": "bfl/flux-2-flex",
  "endpoint": "bfl/flux-2-flex/text-to-image",
  "mode": "text-to-image",
  "status": "succeeded",
  "input": {
    "prompt": "リネンのテーブルに置かれたドライフラワー入りの陶器の花瓶を撮影したエディトリアル写真。北側からの柔らかな光、フィルム粒子。",
    "aspect_ratio": "1:1",
    "resolution": "1MP"
  },
  "output": {
    "images": [
      {
        "url": "https://cdn.cheapergen.com/outputs/gen_8c2Q-0.png",
        "content_type": "image/png",
        "width": 2048,
        "height": 2048
      }
    ]
  },
  "error": null,
  "cost": {
    "amount_usd": 0.2255,
    "currency": "usd",
    "estimated": false,
    "official_usd": 0.264,
    "list_price_source": "official",
    "list_price_label": "Official",
    "saved_usd": 0.0385
  },
  "source": "api",
  "created_at": "2026-10-15T09:21:04Z",
  "started_at": "2026-10-15T09:21:06Z",
  "completed_at": "2026-10-15T09:22:31Z"
}