def generate_sign(uri_path): device_time = int(time.time()) sign_str = f"9e2c|{uri_path[-7:]}|7|5.8.0|{device_time}||11ac" sign = hashlib.md5(sign_str.encode()).hexdigest() return sign, device_time

def edit_image_with_reference(sessionid, prompt, image_uri, ratio="16:9"): uri = "/mweb/v1/aigc_draft/generate" sign, device_time = generate_sign(uri)

RATIO_VALUES = {"21:9": 0, "16:9": 1, "3:2": 2, "4:3": 3, "1:1": 8, "3:4": 4, "2:3": 5, "9:16": 6}
DIMENSIONS_2K = {
    "21:9": (3024, 1296), "16:9": (2560, 1440), "3:2": (2496, 1664),
    "4:3": (2304, 1728), "1:1": (2048, 2048), "3:4": (1728, 2304),
    "2:3": (1664, 2496), "9:16": (1440, 2560)
}

image_ratio = RATIO_VALUES.get(ratio, 1)
width, height = DIMENSIONS_2K.get(ratio, (2560, 1440))

component_id = str(uuid.uuid4())
model = "high_aes_general_v30l:general_v3.0_18b"

draft_content = {
    "type": "draft",
    "id": str(uuid.uuid4()),
    "min_version": "3.3.8",
    "is_from_tsn": True,
    "version": "3.3.8",
    "main_component_id": component_id,
    "component_list": [{
        "type": "image_base_component",
        "id": component_id,
        "min_version": "3.3.8",
        "metadata": {
            "type": "",
            "id": str(uuid.uuid4()),
            "created_platform": 3,
            "created_platform_version": "",
            "created_time_in_ms": int(time.time() * 1000),
            "created_did": ""
        },
        "generate_type": "blend",
        "aigc_mode": "workbench",
        "abilities": {
            "type": "",
            "id": str(uuid.uuid4()),
            "blend": {
                "type": "",
                "id": str(uuid.uuid4()),
                "min_features": [],
                "core_param": {
                    "type": "",
                    "id": str(uuid.uuid4()),
                    "model": model,
                    "prompt": prompt + "##",
                    "sample_strength": 0.5,
                    "image_ratio": image_ratio,
                    "large_image_info": {
                        "type": "",
                        "id": str(uuid.uuid4()),
                        "height": height,
                        "width": width,
                        "resolution_type": "2k"
                    }
                },
                "ability_list": [{
                    "type": "",
                    "id": str(uuid.uuid4()),
                    "name": "byte_edit",
                    "image_uri_list": [image_uri],
                    "image_list": [{
                        "type": "image",
                        "id": str(uuid.uuid4()),
                        "source_from": "upload",
                        "platform_type": 1,
                        "name": "",
                        "image_uri": image_uri,
                        "width": 0,
                        "height": 0,
                        "format": "",
                        "uri": image_uri
                    }],
                    "strength": 0.5
                }],
                "history_option": {"type": "", "id": str(uuid.uuid4())},
                "prompt_placeholder_info_list": [{"type": "", "id": str(uuid.uuid4()), "ability_index": 0}],
                "postedit_param": {"type": "", "id": str(uuid.uuid4()), "generate_type": 0}
            }
        }
    }]
}

headers = {
    "Content-Type": "application/json",
    "Accept": "application/json, text/plain, */*",
    "Appid": "513695",
    "Appvr": "5.8.0",
    "Pf": "7",
    "Origin": "https://jimeng.jianying.com",
    "Referer": "https://jimeng.jianying.com",
    "Cookie": f"sessionid={sessionid}",
    "Device-Time": str(device_time),
    "Sign": sign,
    "Sign-Ver": "1"
}

data = {
    "extend": {"root_model": model, "template_id": ""},
    "submit_id": str(uuid.uuid4()),
    "draft_content": json.dumps(draft_content),
    "http_common_info": {"aid": 513695}
}

resp = requests.post(
    f"https://jimeng.jianying.com{uri}",
    params={"aid": 513695, "device_platform": "web", "region": "CN", "da_version": "3.3.8"},
    headers=headers,
    json=data
)
return resp.json()


### 查询结果
```python
def query_result(sessionid, history_id):
    uri = "/mweb/v1/get_history_by_ids"
    sign, device_time = generate_sign(uri)
    
    headers = {
        "Content-Type": "application/json",
        "Appid": "513695",
        "Pf": "7",
        "Cookie": f"sessionid={sessionid}",
        "Device-Time": str(device_time),
        "Sign": sign,
        "Sign-Ver": "1"
    }
    
    resp = requests.post(
        f"https://jimeng.jianying.com{uri}",
        params={"aid": 513695, "device_platform": "web", "region": "CN"},
        headers=headers,
        json={"history_ids": [history_id], "http_common_info": {"aid": 513695}}
    )
    return resp.json()

内网 MCP API

端点

curl -X POST 'https://dreamina-agent-operation.bytedance.net/dreamina/mcp/v1/image_generate' \
  -H 'Content-Type: application/json' \
  -H 'cookie: <认证cookie>' \
  -d '{
    "generate_type": "seedEdit40",
    "agent_scene": "creation_agent_v40",
    "prompt": "将背景改为夜景",
    "ratio": "2:3",
    "resource_uri_list": ["<tos_uri>"],
    "submit_id": "<uuid>"
  }'

参数说明

字段	类型	必填	说明
prompt	string	是	编辑指令
image_uri	string	是	参考图 URI (通过 upload_image 获取)
ratio	string	是	图片比例 (16:9, 1:1, 9:16 等)

功能

图像编辑：添加/去除物品、修改背景、添加滤镜、改变姿势
参考生图：基于参考图生成新场景
画面微调：prompt 填 "画面微调"

比例选项

21:9, 16:9, 3:2, 4:3, 1:1, 3:4, 2:3, 9:16

注意

需要先上传图片获取 image_uri (见 dreamina-upload-image)
未指定数量时生成 1张
公网 API 使用 blend + byte_edit 模式

dreamina-edit-image

edit_image 图片编辑工具

公网 API (推荐)

端点

完整请求示例

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