Doubao-Seedream-5.5 API

export FELO_API_KEY="YOUR_API_KEY"

curl --fail-with-body --max-time 60 "https://openapi.felo.ai/api/v1/images/generations" \
  -H "Authorization: Bearer $FELO_API_KEY" \
  -H "Content-Type: application/json" \
  -o created.json \
  -d '{
  "prompt": "A studio product photo of a ceramic coffee cup on warm linen, soft morning light",
  "model": "doubao-seedream-5-5-261028"
}'

python3 - <<'PY'
import json, os, time
from pathlib import Path
from urllib.parse import quote
from urllib.request import Request, urlopen

task = json.loads(Path("created.json").read_text())
task_id = task["task_id"]
url = "https://openapi.felo.ai/api/v1/images/generations/" + quote(task_id, safe="")
headers = {"Authorization": "Bearer " + os.environ["FELO_API_KEY"]}
deadline = time.monotonic() + 1800

while task["status"] in ("queued", "running"):
    if time.monotonic() >= deadline:
        raise TimeoutError(f"Keep task_id={task_id} to resume polling")
    time.sleep(3)
    with urlopen(Request(url, headers=headers), timeout=60) as response:
        task = json.load(response)
    if task.get("task_id") != task_id or task.get("kind") != "image":
        raise ValueError("Unexpected task response")
    print(task["status"])

if task["status"] != "succeeded":
    raise RuntimeError(task.get("error") or task["status"])
if not task.get("outputs"):
    raise ValueError("Task succeeded without image outputs")
Path("task.json").write_text(json.dumps(task))
print("Saved task.json")
PY

python3 - <<'PY'
import base64, json
from pathlib import Path
from urllib.request import urlopen

task = json.loads(Path("task.json").read_text())
if task.get("status") != "succeeded" or not task.get("outputs"):
    raise ValueError("No completed image outputs")
extensions = {"image/png": ".png", "image/jpeg": ".jpg", "image/webp": ".webp", "image/gif": ".gif", "image/avif": ".avif"}

for index, output in enumerate(task["outputs"], 1):
    item = output if isinstance(output, dict) else {}
    url = output if isinstance(output, str) else item.get("url") or item.get("unsigned_url")
    mime = item.get("media_type") or "image/png"
    if url and url.startswith("https://"):
        with urlopen(url, timeout=60) as response:
            data = response.read()
            mime = response.headers.get_content_type()
    elif url and url.startswith("data:image/") and ";base64," in url:
        header, encoded = url.split(",", 1)
        mime = header[5:].split(";", 1)[0]
        data = base64.b64decode(encoded, validate=True)
    elif item.get("b64_json"):
        data = base64.b64decode(item["b64_json"], validate=True)
    else:
        raise ValueError("Unrecognized image output")
    path = Path(f"image-{index}" + extensions.get(mime, ".bin"))
    path.write_bytes(data)
    print(path)
PY