# Pixverse v6 Video Generation

> Video Generation

Submit an asynchronous Pixverse v6 video generation task. The source
document includes text-to-video, first/last-frame-to-video,
reference-image-to-video, and video-extension request modes.

## Endpoint

`POST https://api.modelverse.cn/v1/tasks/submit`

## Request Body

## Responses

- **200** — Task submitted successfully.
- **400** — Invalid request parameters.
- **401** — Invalid or missing bearer token.
- **default** — Error response.

## OpenAPI Definition

```json
{
  "openapi": "3.1.0",
  "x-language": "en-US",
  "info": {
    "title": "ModelVerse Pixverse v6 Video Task API",
    "version": "1.0.0",
    "description": "Self-contained OpenAPI 3.1 schema for the ModelVerse Pixverse v6\nasynchronous video generation task API documented in\n"
  },
  "servers": [
    {
      "url": "https://api.modelverse.cn",
      "description": "ModelVerse API endpoint documented for this model."
    }
  ],
  "tags": [
    {
      "name": "Pixverse v6",
      "description": "Pixverse v6 asynchronous video generation operations."
    }
  ],
  "paths": {
    "/v1/tasks/submit": {
      "post": {
        "tags": [
          "Pixverse v6"
        ],
        "operationId": "submitPixverseV6Task",
        "summary": "Pixverse v6 Video Generation",
        "description": "Submit an asynchronous Pixverse v6 video generation task. The source\ndocument includes text-to-video, first/last-frame-to-video,\nreference-image-to-video, and video-extension request modes.\n",
        "security": [
          {
            "bearerAuth": []
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/PixverseV6SubmitRequest"
              },
              "examples": {
                "textToVideo": {
                  "summary": "Source text-to-video request",
                  "value": {
                    "model": "pixverse-v6",
                    "input": {
                      "prompt": "Convert to quick pencil sketch"
                    },
                    "parameters": {
                      "resolution": "720p",
                      "aspect_ratio": "16:9",
                      "duration": 5
                    }
                  }
                },
                "firstLastFrameToVideo": {
                  "summary": "Source first/last-frame-to-video request",
                  "value": {
                    "model": "pixverse-v6",
                    "input": {
                      "first_frame_url": "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg",
                      "last_frame_url": "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg",
                      "prompt": "Convert to quick pencil sketch"
                    },
                    "parameters": {
                      "resolution": "720p",
                      "duration": 5
                    }
                  }
                },
                "referenceImageToVideo": {
                  "summary": "Source reference-image-to-video request",
                  "value": {
                    "model": "pixverse-v6",
                    "input": {
                      "img_url": "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg",
                      "prompt": "Convert to quick pencil sketch"
                    },
                    "parameters": {
                      "resolution": "720p",
                      "duration": 5
                    }
                  }
                },
                "videoExtend": {
                  "summary": "Source video-extension request",
                  "value": {
                    "model": "pixverse-v6",
                    "input": {
                      "video_url": "https://umodelverse-inference.cn-wlcb.ufileos.com/maxcot-dance.mp4",
                      "prompt": "Convert to quick pencil sketch"
                    },
                    "parameters": {
                      "resolution": "720p",
                      "duration": 5
                    }
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Task submitted successfully.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6SubmitResponse"
                },
                "examples": {
                  "submitted": {
                    "summary": "Submitted task",
                    "value": {
                      "output": {
                        "task_id": "task_id"
                      },
                      "request_id": "request_id"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "paramError": {
                    "$ref": "#/components/examples/PixverseV6ParamError"
                  }
                }
              }
            }
          },
          "401": {
            "description": "Invalid or missing bearer token.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "authError": {
                    "$ref": "#/components/examples/PixverseV6AuthError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/PixverseV6ParamError"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/v1/tasks/status": {
      "get": {
        "tags": [
          "Pixverse v6"
        ],
        "operationId": "getPixverseV6TaskStatus",
        "summary": "Pixverse v6 Task Status",
        "description": "Query the status and result URLs for an asynchronous Pixverse v6 task.",
        "security": [
          {
            "bearerAuth": []
          }
        ],
        "parameters": [
          {
            "name": "task_id",
            "in": "query",
            "required": true,
            "description": "Asynchronous task identifier returned by `/v1/tasks/submit`.",
            "schema": {
              "type": "string"
            },
            "examples": {
              "documented": {
                "summary": "Source documentation placeholder",
                "value": "task_id"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Task status response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6StatusResponse"
                },
                "examples": {
                  "success": {
                    "summary": "Successful task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Success",
                        "urls": [
                          "https://xxxxx/xxxx.mp4"
                        ],
                        "submit_time": 1756959000,
                        "finish_time": 1756959050
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  },
                  "failure": {
                    "summary": "Failed task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Failure",
                        "submit_time": 1756959000,
                        "finish_time": 1756959019,
                        "error_message": "error_message"
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid task identifier or request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "paramError": {
                    "$ref": "#/components/examples/PixverseV6ParamError"
                  }
                }
              }
            }
          },
          "401": {
            "description": "Invalid or missing bearer token.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "authError": {
                    "$ref": "#/components/examples/PixverseV6AuthError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/PixverseV6ErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/PixverseV6ParamError"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer",
        "bearerFormat": "API key",
        "description": "ModelVerse API key sent in the `Authorization: Bearer <API_KEY>` header."
      }
    },
    "schemas": {
      "PixverseV6SubmitRequest": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "model",
          "input"
        ],
        "properties": {
          "model": {
            "type": "string",
            "const": "pixverse-v6",
            "description": "Model name. This schema is pinned to `pixverse-v6`."
          },
          "input": {
            "$ref": "#/components/schemas/PixverseV6Input"
          },
          "parameters": {
            "$ref": "#/components/schemas/PixverseV6Parameters"
          }
        }
      },
      "PixverseV6Input": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "prompt"
        ],
        "dependentRequired": {
          "first_frame_url": [
            "last_frame_url"
          ],
          "last_frame_url": [
            "first_frame_url"
          ]
        },
        "properties": {
          "first_frame_url": {
            "type": "string",
            "description": "First-frame image as a URL or Base64 value. Required together with\n`last_frame_url` for the documented first/last-frame-to-video mode.\n",
            "examples": [
              "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg"
            ]
          },
          "last_frame_url": {
            "type": "string",
            "description": "Last-frame image as a URL or Base64 value. Required together with\n`first_frame_url` for the documented first/last-frame-to-video mode.\n",
            "examples": [
              "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg"
            ]
          },
          "img_url": {
            "type": "string",
            "description": "Reference image as a URL or Base64 value. Required for the\ndocumented reference-image-to-video mode.\n",
            "examples": [
              "https://umodelverse-inference.cn-wlcb.ufileos.com/ucloud-maxcot.jpg"
            ]
          },
          "video_url": {
            "type": "string",
            "format": "uri",
            "description": "Reference video URL. Required for the documented video-extension mode.",
            "examples": [
              "https://umodelverse-inference.cn-wlcb.ufileos.com/maxcot-dance.mp4"
            ]
          },
          "prompt": {
            "type": "string",
            "minLength": 1,
            "description": "Prompt used to guide video generation.",
            "examples": [
              "Convert to quick pencil sketch"
            ]
          }
        }
      },
      "PixverseV6Parameters": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "resolution": {
            "type": "string",
            "description": "Generated video resolution tier.",
            "enum": [
              "1080p",
              "720p",
              "540p",
              "360p"
            ]
          },
          "aspect_ratio": {
            "type": "string",
            "description": "Generated video aspect ratio. The source document says this is only\neffective for text-only generation without a reference image or video.\n",
            "enum": [
              "16:9",
              "4:3",
              "1:1",
              "3:4",
              "9:16",
              "2:3",
              "3:2",
              "21:9"
            ]
          },
          "duration": {
            "type": "integer",
            "minimum": 1,
            "maximum": 15,
            "description": "Generated video duration in seconds."
          },
          "generate_audio": {
            "type": "integer",
            "description": "Documented integer flag controlling whether the generated video includes audio."
          },
          "seed": {
            "type": "integer",
            "minimum": 0,
            "maximum": 2147483647,
            "description": "Random seed."
          }
        }
      },
      "PixverseV6SubmitResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "$ref": "#/components/schemas/PixverseV6SubmitOutput"
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "PixverseV6SubmitOutput": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "task_id"
        ],
        "properties": {
          "task_id": {
            "type": "string",
            "description": "Unique identifier of the asynchronous task."
          }
        }
      },
      "PixverseV6StatusResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "$ref": "#/components/schemas/PixverseV6StatusOutput"
          },
          "usage": {
            "$ref": "#/components/schemas/PixverseV6Usage"
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "PixverseV6StatusOutput": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "task_id",
          "task_status"
        ],
        "properties": {
          "task_id": {
            "type": "string",
            "description": "Unique identifier of the asynchronous task."
          },
          "task_status": {
            "$ref": "#/components/schemas/PixverseV6TaskStatus"
          },
          "urls": {
            "type": "array",
            "description": "Video result URL list.",
            "items": {
              "type": "string",
              "format": "uri"
            }
          },
          "submit_time": {
            "type": "integer",
            "format": "int64",
            "description": "Task submission timestamp."
          },
          "finish_time": {
            "type": "integer",
            "format": "int64",
            "description": "Task completion timestamp."
          },
          "error_message": {
            "type": "string",
            "description": "Error message returned when the task fails."
          }
        }
      },
      "PixverseV6TaskStatus": {
        "type": "string",
        "description": "Asynchronous task status.",
        "enum": [
          "Pending",
          "Running",
          "Success",
          "Failure"
        ]
      },
      "PixverseV6Usage": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "duration": {
            "type": "integer",
            "description": "Task execution duration in seconds."
          }
        }
      },
      "PixverseV6ErrorResponse": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "$ref": "#/components/schemas/PixverseV6ErrorObject"
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier, if available."
          }
        }
      },
      "PixverseV6ErrorObject": {
        "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": "Request parameter related to the error."
          }
        }
      }
    },
    "examples": {
      "PixverseV6ParamError": {
        "summary": "Invalid parameter error",
        "value": {
          "error": {
            "message": "Invalid param",
            "type": "invalid_request_error",
            "code": "param_error",
            "param": "parameters.duration"
          },
          "request_id": "request_id"
        }
      },
      "PixverseV6AuthError": {
        "summary": "Invalid bearer token error",
        "value": {
          "error": {
            "message": "Validate Certification failed",
            "type": "invalid_request_error",
            "code": "auth_error",
            "param": null
          },
          "request_id": "request_id"
        }
      }
    }
  }
}
```