FLUX.2 Klein API (4B), free to try

curl -X POST 'https://api.deapi.ai/api/v2/images/generations' \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "Flux_2_Klein_4B_BF16",
    "prompt": "Close-up portrait of an elderly fisherman with a weathered face and a grey knitted cap, overcast harbor light, 85mm photo",
    "width": 1024,
    "height": 1024,
    "steps": 4,
    "seed": 20261020
  }'

import time, requests

API = "https://api.deapi.ai/api/v2"
HEADERS = {"Authorization": "Bearer YOUR_API_KEY", "Accept": "application/json"}

job = requests.post(f"{API}/images/generations", headers=HEADERS, json={
    "model": "Flux_2_Klein_4B_BF16",
    "prompt": "Isometric 3D illustration of a tiny bookshop at night in the rain",
    "width": 1024, "height": 1024, "steps": 4, "seed": 20261020,
}).json()["data"]

while True:
    status = requests.get(f"{API}/jobs/{job['request_id']}", headers=HEADERS).json()["data"]
    if status["status"] in ("done", "error"):
        break
    time.sleep(2)

print(status.get("result_url"))