# Vidu Image-to-Video Status

> Video Generation

Query the status and result URLs for an asynchronous task.

## Endpoint

`GET https://api.modelverse.cn/v1/tasks/status`

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| task_id | query | string | Yes | Asynchronous task identifier returned by `/v1/tasks/submit`. |

## Responses

- **200** — Task status response.
- **400** — Invalid request parameters.
- **default** — Error response.

## OpenAPI Definition

```json
{
  "openapi": "3.1.0",
  "x-language": "en-US",
  "info": {
    "title": "ModelVerse Vidu Img2Video Task API",
    "version": "1.0.0",
    "description": "Self-contained OpenAPI 3.1 schema for the ModelVerse Vidu image-to-video\nasynchronous task API documented in `Vidu-Img2Video.md`.\n"
  },
  "servers": [
    {
      "url": "https://api.modelverse.cn",
      "description": "ModelVerse API endpoint documented for this model."
    }
  ],
  "tags": [
    {
      "name": "Vidu Img2Video",
      "description": "Vidu image-to-video asynchronous task operations."
    }
  ],
  "paths": {
    "/v1/tasks/submit": {
      "post": {
        "tags": [
          "Vidu Img2Video"
        ],
        "operationId": "submitViduImg2VideoTask",
        "summary": "Vidu Image-to-Video",
        "description": "Submit an asynchronous image-to-video generation task.",
        "security": [
          {
            "bearerAuth": []
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/ViduImg2VideoSubmitRequest"
              },
              "examples": {
                "q3ProWithAudio": {
                  "summary": "Submit a q3-pro image-to-video task with audio",
                  "value": {
                    "model": "viduq3-pro",
                    "input": {
                      "first_frame_url": "https://prod-ss-images.s3.cn-northwest-1.amazonaws.com.cn/vidu-maas/template/image2video.png",
                      "prompt": "make it dance."
                    },
                    "parameters": {
                      "vidu_type": "img2video",
                      "duration": 5,
                      "resolution": "1080p",
                      "movement_amplitude": "auto",
                      "audio": true
                    }
                  }
                },
                "base64FirstFrame": {
                  "summary": "Submit with a Base64-encoded first frame",
                  "value": {
                    "model": "viduq2-pro-fast",
                    "input": {
                      "first_frame_url": "data:image/png;base64,{base64_encode}",
                      "prompt": "make it dance."
                    },
                    "parameters": {
                      "vidu_type": "img2video",
                      "duration": 5,
                      "resolution": "720p",
                      "seed": 42,
                      "bgm": false,
                      "audio": false
                    }
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Task submitted successfully.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoSubmitResponse"
                },
                "examples": {
                  "submitted": {
                    "summary": "Submitted task",
                    "value": {
                      "output": {
                        "task_id": "task_id"
                      },
                      "request_id": "request_id"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoErrorResponse"
                },
                "examples": {
                  "paramError": {
                    "$ref": "#/components/examples/ViduImg2VideoParamError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/ViduImg2VideoParamError"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/v1/tasks/status": {
      "get": {
        "tags": [
          "Vidu Img2Video"
        ],
        "operationId": "getViduImg2VideoTaskStatus",
        "summary": "Vidu Image-to-Video Status",
        "description": "Query the status and result URLs for an asynchronous task.",
        "security": [
          {
            "bearerAuth": []
          }
        ],
        "parameters": [
          {
            "name": "task_id",
            "in": "query",
            "required": true,
            "description": "Asynchronous task identifier returned by `/v1/tasks/submit`.",
            "schema": {
              "type": "string"
            },
            "examples": {
              "placeholder": {
                "summary": "Source documentation placeholder",
                "value": "task_id"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Task status response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoStatusResponse"
                },
                "examples": {
                  "success": {
                    "summary": "Successful task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Success",
                        "urls": [
                          "https://xxxxx/xxxx.mp4"
                        ],
                        "submit_time": 1756959000,
                        "finish_time": 1756959050
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  },
                  "failure": {
                    "summary": "Failed task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Failure",
                        "submit_time": 1756959000,
                        "finish_time": 1756959019,
                        "error_message": "error_message"
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoErrorResponse"
                },
                "examples": {
                  "paramError": {
                    "$ref": "#/components/examples/ViduImg2VideoParamError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ViduImg2VideoErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/ViduImg2VideoParamError"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "API key",
        "description": "ModelVerse API key sent in the `Authorization: Bearer <API_KEY>` header."
      }
    },
    "schemas": {
      "ViduImg2VideoSubmitRequest": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "model",
          "input",
          "parameters"
        ],
        "properties": {
          "model": {
            "type": "string",
            "description": "Vidu image-to-video model name. This schema is pinned to the\n`Vidu-Img2Video` source document and only allows its documented\nimage-to-video model values.\n",
            "enum": [
              "viduq3-pro",
              "viduq2-pro",
              "viduq2-turbo",
              "viduq2-pro-fast"
            ]
          },
          "input": {
            "$ref": "#/components/schemas/ViduImg2VideoInput"
          },
          "parameters": {
            "$ref": "#/components/schemas/ViduImg2VideoParameters"
          }
        }
      },
      "ViduImg2VideoInput": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "first_frame_url"
        ],
        "properties": {
          "first_frame_url": {
            "type": "string",
            "description": "First-frame image as a URL or Base64-encoded image. Supported image\nformats are png, jpeg, jpg, and webp. The image aspect ratio must be\nless than 1:4 or 4:1, and the image must not exceed 50 MB. Base64\nvalues use the form `data:image/png;base64,{base64_encode}`.\n",
            "examples": [
              "https://prod-ss-images.s3.cn-northwest-1.amazonaws.com.cn/vidu-maas/template/image2video.png",
              "data:image/png;base64,{base64_encode}"
            ]
          },
          "prompt": {
            "type": "string",
            "maxLength": 2000,
            "description": "Text prompt used to guide video generation.",
            "examples": [
              "make it dance."
            ]
          }
        }
      },
      "ViduImg2VideoParameters": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "vidu_type"
        ],
        "properties": {
          "vidu_type": {
            "type": "string",
            "const": "img2video",
            "description": "Vidu interface type for image-to-video generation."
          },
          "duration": {
            "type": "integer",
            "minimum": 1,
            "maximum": 16,
            "default": 5,
            "x-model-constraints": {
              "viduq3-pro": {
                "default": 5,
                "minimum": 1,
                "maximum": 16
              },
              "viduq2-pro": {
                "default": 5,
                "minimum": 1,
                "maximum": 10
              },
              "viduq2-turbo": {
                "default": 5,
                "minimum": 1,
                "maximum": 10
              },
              "viduq2-pro-fast": {
                "default": 5,
                "minimum": 1,
                "maximum": 10
              }
            },
            "description": "Video duration in seconds. `viduq3-pro` defaults to 5 and supports\n1-16 seconds. `viduq2-pro`, `viduq2-turbo`, and `viduq2-pro-fast`\ndefault to 5 and support 1-10 seconds.\n"
          },
          "seed": {
            "type": "integer",
            "default": 0,
            "description": "Random seed. The default value 0 uses a random seed."
          },
          "resolution": {
            "type": "string",
            "default": "720p",
            "x-model-constraints": {
              "viduq3-pro": {
                "default": "720p",
                "enum": [
                  "360p",
                  "540p",
                  "720p",
                  "1080p",
                  "2K"
                ]
              },
              "viduq2-pro": {
                "default": "720p",
                "enum": [
                  "360p",
                  "540p",
                  "720p",
                  "1080p"
                ]
              },
              "viduq2-turbo": {
                "default": "720p",
                "enum": [
                  "360p",
                  "540p",
                  "720p",
                  "1080p"
                ]
              },
              "viduq2-pro-fast": {
                "default": "720p",
                "enum": [
                  "720p",
                  "1080p"
                ]
              }
            },
            "description": "Output resolution. `viduq3-pro` supports 360p, 540p, 720p, 1080p,\nand 2K for 1-16 second videos. `viduq2-pro`, `viduq2-turbo`, and\n`viduq2-pro-fast` support documented 1-10 second resolutions, with\n`viduq2-pro-fast` not supporting 360p or 540p.\n",
            "enum": [
              "360p",
              "540p",
              "720p",
              "1080p",
              "2K"
            ]
          },
          "movement_amplitude": {
            "type": "string",
            "default": "auto",
            "description": "Motion amplitude. The source documentation notes that this\nparameter does not take effect for q2 and q3 models.\n",
            "enum": [
              "auto",
              "small",
              "medium",
              "large"
            ]
          },
          "bgm": {
            "type": "boolean",
            "default": false,
            "description": "Whether to add background music. The source documentation notes\nthat this parameter does not take effect for q3 models.\n"
          },
          "audio": {
            "type": "boolean",
            "default": false,
            "x-model-constraints": {
              "viduq3-pro": {
                "default": true,
                "enum": [
                  true
                ]
              },
              "viduq2-pro": {
                "default": false,
                "enum": [
                  false,
                  true
                ]
              },
              "viduq2-turbo": {
                "default": false,
                "enum": [
                  false,
                  true
                ]
              },
              "viduq2-pro-fast": {
                "default": false,
                "enum": [
                  false,
                  true
                ]
              }
            },
            "description": "Whether to use direct audio/video output. `false` outputs a silent\nvideo, while `true` outputs video with dialogue and background\naudio. When true, `voice_id` may take effect. For q3 models this\ndefaults to true and cannot be disabled.\n"
          },
          "voice_id": {
            "type": "string",
            "description": "Voice ID used to decide the video's voice timbre. If empty, the\nsystem automatically recommends a voice. The source documentation\nnotes that this parameter does not take effect for q3 models.\n"
          }
        }
      },
      "ViduImg2VideoSubmitResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "task_id"
            ],
            "properties": {
              "task_id": {
                "type": "string",
                "description": "Unique identifier of the asynchronous task."
              }
            }
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "ViduImg2VideoStatusResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "$ref": "#/components/schemas/ViduImg2VideoStatusOutput"
          },
          "usage": {
            "$ref": "#/components/schemas/ViduImg2VideoUsage"
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "ViduImg2VideoStatusOutput": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "task_id",
          "task_status"
        ],
        "properties": {
          "task_id": {
            "type": "string",
            "description": "Unique identifier of the asynchronous task."
          },
          "task_status": {
            "$ref": "#/components/schemas/ViduImg2VideoTaskStatus"
          },
          "urls": {
            "type": "array",
            "description": "Video result URL list.",
            "items": {
              "type": "string",
              "format": "uri"
            }
          },
          "submit_time": {
            "type": "integer",
            "format": "int64",
            "description": "Task submission timestamp."
          },
          "finish_time": {
            "type": "integer",
            "format": "int64",
            "description": "Task completion timestamp."
          },
          "error_message": {
            "type": "string",
            "description": "Error message returned when the task fails."
          }
        }
      },
      "ViduImg2VideoTaskStatus": {
        "type": "string",
        "description": "Task status.",
        "enum": [
          "Pending",
          "Running",
          "Success",
          "Failure"
        ]
      },
      "ViduImg2VideoUsage": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "duration": {
            "type": "integer",
            "description": "Video duration in seconds."
          }
        }
      },
      "ViduImg2VideoErrorResponse": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "$ref": "#/components/schemas/ViduImg2VideoErrorObject"
          }
        }
      },
      "ViduImg2VideoErrorObject": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "message",
          "type"
        ],
        "properties": {
          "message": {
            "type": "string",
            "description": "Error message."
          },
          "type": {
            "type": "string",
            "description": "Error type.",
            "examples": [
              "invalid_request_error"
            ]
          },
          "code": {
            "type": [
              "string",
              "null"
            ],
            "description": "Error code.",
            "examples": [
              "param_error"
            ]
          },
          "param": {
            "type": [
              "string",
              "null"
            ],
            "description": "Related request parameter, if any."
          }
        }
      }
    },
    "examples": {
      "ViduImg2VideoParamError": {
        "summary": "Invalid parameter error",
        "value": {
          "error": {
            "message": "Invalid param",
            "type": "invalid_request_error",
            "code": "param_error",
            "param": "parameters.duration"
          }
        }
      }
    }
  }
}
```