---
title: PixVerse Extend-Video
url: https://runapi.ai/zh-CN/docs/api/pixverse/extend-video.md
canonical: https://runapi.ai/zh-CN/docs/api/pixverse/extend-video
locale: zh-CN
---

# PixVerse Extend-Video

## 概览

使用支持的模型提交Extend Video请求。使用返回的 Task ID 查询状态，或提供 callback_url 接收下方列出的投递。

### 快速开始

1. 创建 API Key，并将其设置为 RUNAPI_API_KEY。
2. 选择一个支持的模型，并发送与该模型 Schema 匹配的 POST 请求。
3. 保存返回的任务 ID，随后轮询到终态，或处理下方列出的回调。

## 端点

POST /api/v1/pixverse/extend_video

基础 URL: https://runapi.ai

API 版本: v1

身份验证: Authorization: Bearer YOUR_API_TOKEN

## 支持的模型

打开模型页可查看当前价格、限流和商业使用详情。

- [PixVerse](/models/pixverse)

## 请求 Schema

字段和允许的取值取决于所选模型。提供 callback_url 后，它会收到下方列出的 Task 投递。

### pixverse-v6

```json
{
  "callback_url": {
    "description": "Webhook URL for async notifications.",
    "type": "string"
  },
  "duration_seconds": {
    "default": 5,
    "description": "Duration in seconds.",
    "max": 15,
    "min": 1,
    "required": true,
    "type": "integer"
  },
  "enable_audio": {
    "default": false,
    "description": "Enable synchronized audio generation.",
    "type": "boolean"
  },
  "model": {
    "description": "Model slug.",
    "required": true,
    "type": "string"
  },
  "output_resolution": {
    "default": "720p",
    "description": "Output resolution.",
    "enum": [
      "360p",
      "540p",
      "720p",
      "1080p"
    ],
    "required": true,
    "type": "string"
  },
  "prompt": {
    "description": "Video continuation description.",
    "length": true,
    "max": 5000,
    "min": 3,
    "required": true,
    "type": "string"
  },
  "seed": {
    "description": "Random seed.",
    "max": 2147483647,
    "min": 0,
    "type": "integer"
  },
  "source_task_id": {
    "description": "Completed PixVerse video task ID to extend.",
    "required": true,
    "type": "string"
  }
}
```

## 创建已接受

HTTP 202 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "processing"
      ],
      "type": "string"
    },
    "task_replayed": {
      "type": "boolean"
    }
  },
  "required": [
    "id",
    "status",
    "billing"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "billing": {
    "refund": null,
    "reservation": null,
    "settlement": null
  },
  "id": "tsk_reference_demo",
  "status": "processing"
}
```

## 轮询处理中

HTTP 200 - GET /api/v1/pixverse/extend_video/:id

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "processing"
      ],
      "type": "string"
    }
  },
  "required": [
    "id",
    "status",
    "billing"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "billing": {
    "refund": null,
    "reservation": null,
    "settlement": null
  },
  "id": "tsk_reference_demo",
  "status": "processing"
}
```

## 轮询已完成

HTTP 200 - GET /api/v1/pixverse/extend_video/:id

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "completed"
      ],
      "type": "string"
    },
    "videos": {
      "items": {
        "properties": {
          "url": {
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object",
        "unevaluatedProperties": false
      },
      "type": "array"
    }
  },
  "required": [
    "id",
    "status",
    "videos",
    "billing"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "billing": {
    "refund": null,
    "reservation": null,
    "settlement": null
  },
  "id": "tsk_reference_demo",
  "status": "completed",
  "videos": [
    {
      "url": "https://file.runapi.ai/reference-video.mp4"
    }
  ]
}
```

## 轮询失败

HTTP 200 - GET /api/v1/pixverse/extend_video/:id

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "type": "string"
    },
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "failed"
      ],
      "type": "string"
    }
  },
  "required": [
    "id",
    "status",
    "error",
    "billing"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "billing": {
    "refund": null,
    "reservation": null,
    "settlement": null
  },
  "error": "Task processing failed.",
  "id": "tsk_reference_demo",
  "status": "failed"
}
```

## 客户回调：已完成

HTTP 200 - POST callback_url

### 响应 Schema

```json
{
  "properties": {
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "completed"
      ],
      "type": "string"
    },
    "videos": {
      "items": {
        "properties": {
          "url": {
            "type": "string"
          }
        },
        "required": [
          "url"
        ],
        "type": "object",
        "unevaluatedProperties": false
      },
      "type": "array"
    }
  },
  "required": [
    "id",
    "status",
    "videos"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "id": "tsk_reference_demo",
  "status": "completed",
  "videos": [
    {
      "url": "https://file.runapi.ai/reference-video.mp4"
    }
  ]
}
```

## 客户回调：失败

HTTP 200 - POST callback_url

### 响应 Schema

```json
{
  "properties": {
    "error": {
      "oneOf": [
        {
          "type": "string"
        },
        {
          "properties": {
            "code": {
              "type": "string"
            },
            "message": {
              "type": "string"
            }
          },
          "required": [
            "code",
            "message"
          ],
          "type": "object",
          "unevaluatedProperties": false
        }
      ]
    },
    "id": {
      "type": "string"
    },
    "status": {
      "enum": [
        "failed"
      ],
      "type": "string"
    }
  },
  "required": [
    "id",
    "status",
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "generation_failed",
    "message": "Task processing failed."
  },
  "id": "tsk_reference_demo",
  "status": "failed"
}
```

## 错误

HTTP 401 - POST /api/v1/pixverse/extend_video

此响应不包含正文。

## 错误

HTTP 401 - GET /api/v1/pixverse/extend_video/:id

此响应不包含正文。

## 错误

HTTP 400 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "model_must_be_one_of_pixverse-v6",
    "message": "model must be one of: pixverse-v6"
  }
}
```

## 错误

HTTP 402 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "insufficient_balance",
    "message": "Insufficient balance"
  }
}
```

## 错误

HTTP 403 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "api_token_credit_limit_exceeded",
    "message": "API key credit limit exceeded"
  }
}
```

## 错误

HTTP 409 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "request_conflict",
    "message": "The request uses features that are not supported for the selected model"
  }
}
```

## 错误

HTTP 429 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "rate_limited",
    "message": "Rate limit reached. Please retry later."
  }
}
```

## 错误

HTTP 503 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "service_unavailable",
    "message": "Service under maintenance, please try again later"
  }
}
```

## 错误

HTTP 504 - POST /api/v1/pixverse/extend_video

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "billing": {
    "refund": null,
    "reservation": null,
    "settlement": null
  },
  "error": {
    "code": "timeout_error",
    "message": "The request timed out"
  }
}
```

## 错误

HTTP 404 - GET /api/v1/pixverse/extend_video/:id

### 响应 Schema

```json
{
  "properties": {
    "billing": {
      "properties": {
        "refund": {
          "oneOf": [
            {
              "properties": {
                "refunded_at": {
                  "type": "string"
                }
              },
              "required": [
                "refunded_at"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "reservation": {
          "oneOf": [
            {
              "properties": {
                "amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "amount_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        },
        "settlement": {
          "oneOf": [
            {
              "properties": {
                "amount_micro_cents": {
                  "type": "integer"
                },
                "charged_amount_cents": {
                  "type": "integer"
                }
              },
              "required": [
                "charged_amount_cents",
                "amount_micro_cents"
              ],
              "type": "object",
              "unevaluatedProperties": false
            },
            {
              "enum": [
                null
              ]
            }
          ]
        }
      },
      "required": [
        "reservation",
        "settlement",
        "refund"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    "error": {
      "properties": {
        "code": {
          "type": "string"
        },
        "message": {
          "type": "string"
        }
      },
      "required": [
        "code",
        "message"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}
```

### 响应示例

```json
{
  "error": {
    "code": "not_found",
    "message": "Task with id 'tsk_reference_demo' not found"
  }
}
```

## 生成的代码示例

直接使用 cURL，或安装所用语言的 SDK。每个示例都会提交本参考中经过验证的请求。

### curl

```curl
curl -X POST https://runapi.ai/api/v1/pixverse/extend_video \
  -H 'Authorization: Bearer YOUR_API_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{"model":"pixverse-v6","source_task_id":"550e8400-e29b-41d4-a716-446655440000","prompt":"Continue the scene as the lanterns rise.","output_resolution":"720p","duration_seconds":5}'
```

### javascript

#### 安装

```bash
npm install @runapi.ai/pixverse
```

```javascript
import { PixVerseClient } from "@runapi.ai/pixverse";

const client = new PixVerseClient({ apiKey: process.env.RUNAPI_API_KEY });
const task = await client.extendVideo.create({
  "model": "pixverse-v6",
  "source_task_id": "550e8400-e29b-41d4-a716-446655440000",
  "prompt": "Continue the scene as the lanterns rise.",
  "output_resolution": "720p",
  "duration_seconds": 5
});
```

### python

#### 安装

```bash
pip install runapi-pixverse
```

```python
import os
from runapi.pixverse import PixVerseClient

client = PixVerseClient(api_key=os.environ["RUNAPI_API_KEY"])
task = client.extend_video.create(
  model="pixverse-v6",
  source_task_id="550e8400-e29b-41d4-a716-446655440000",
  prompt="Continue the scene as the lanterns rise.",
  output_resolution="720p",
  duration_seconds=5
)
```

### go

#### 安装

```bash
go get github.com/runapi-ai/pixverse-sdk/go@latest
```

```go
package main

import (
  "context"
  "log"
  "os"

  "github.com/runapi-ai/core-sdk/go/option"
  pixverse "github.com/runapi-ai/pixverse-sdk/go/pixverse"
)

func main() {
  client, err := pixverse.NewClient(option.WithAPIKey(os.Getenv("RUNAPI_API_KEY")))
  if err != nil {
    log.Fatal(err)
  }

  task, err := client.ExtendVideo.Create(context.Background(), pixverse.ExtendVideoParams{
    SourceTaskID: "550e8400-e29b-41d4-a716-446655440000",
    CommonVideoParams: pixverse.CommonVideoParams{Model: pixverse.Model("pixverse-v6"), Prompt: "Continue the scene as the lanterns rise.", OutputResolution: pixverse.OutputResolution("720p"), DurationSeconds: 5},
  })
  if err != nil {
    log.Fatal(err)
  }
  _ = task
}
```

### ruby

#### 安装

```bash
gem install runapi-pixverse
```

```ruby
require "runapi/pixverse"

client = RunApi::PixVerse::Client.new(api_key: ENV.fetch("RUNAPI_API_KEY"))
task = client.extend_video.create(
  model: "pixverse-v6",
  source_task_id: "550e8400-e29b-41d4-a716-446655440000",
  prompt: "Continue the scene as the lanterns rise.",
  output_resolution: "720p",
  duration_seconds: 5
)
```

### java

#### 安装

```kotlin
implementation("ai.runapi:runapi-pixverse")
```

```java
import ai.runapi.pixverse.PixVerseClient;
import ai.runapi.pixverse.types.ExtendVideoParams;
import ai.runapi.core.polling.TaskCreateResponse;

public final class Example {
  public static void main(String[] args) {
    PixVerseClient client = PixVerseClient.builder()
        .apiKey(System.getenv("RUNAPI_API_KEY"))
        .build();
    TaskCreateResponse task = client.extendVideo().create(
        ExtendVideoParams.builder()
        .model("pixverse-v6")
        .sourceTaskId("550e8400-e29b-41d4-a716-446655440000")
        .prompt("Continue the scene as the lanterns rise.")
        .outputResolution("720p")
        .durationSeconds(5)
            .build()
    );
  }
}
```

### php

#### 安装

```bash
composer require runapi-ai/pixverse
```

```php
<?php

require __DIR__ . '/vendor/autoload.php';

use RunApi\Core\ClientOptions;
use RunApi\Pixverse\PixverseClient;

$client = new PixverseClient(new ClientOptions(apiKey: getenv('RUNAPI_API_KEY')));
$task = $client->extendVideo->create([
  "model" => "pixverse-v6",
  "source_task_id" => "550e8400-e29b-41d4-a716-446655440000",
  "prompt" => "Continue the scene as the lanterns rise.",
  "output_resolution" => "720p",
  "duration_seconds" => 5
]);
```

## 相关指南

- [API 身份验证](/docs/guides/authentication)
- [快速开始](/docs/guides/task-api/quickstart)