# Wan-AI Wan2.5 Text-to-Video

> Video Generation

Submit an asynchronous text-to-video generation task.

## Endpoint

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

## Request Body

## Responses

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

## OpenAPI Definition

```json
{
  "openapi": "3.1.0",
  "x-language": "en-US",
  "info": {
    "title": "ModelVerse Wan-AI/Wan2.5-T2V Video Task API",
    "version": "1.0.0",
    "description": "OpenAPI 3.1 schema for the Wan-AI/Wan2.5-T2V text-to-video asynchronous task API.\n"
  },
  "servers": [
    {
      "url": "https://api.modelverse.cn",
      "description": "ModelVerse API endpoint documented for this model."
    }
  ],
  "tags": [
    {
      "name": "Wan-AI/Wan2.5-T2V",
      "description": "Text-to-video asynchronous task operations."
    }
  ],
  "paths": {
    "/v1/tasks/submit": {
      "post": {
        "tags": [
          "Wan-AI/Wan2.5-T2V"
        ],
        "operationId": "submitWanAIWan25T2VTask",
        "summary": "Wan-AI Wan2.5 Text-to-Video",
        "description": "Submit an asynchronous text-to-video generation task.",
        "security": [
          {
            "apiKeyAuth": []
          }
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/WanAIWan25T2VTaskSubmitRequest"
              },
              "examples": {
                "basic": {
                  "summary": "Basic text-to-video request",
                  "value": {
                    "model": "Wan-AI/Wan2.5-T2V",
                    "input": {
                      "prompt": "A beautiful girl is dancing"
                    },
                    "parameters": {
                      "size": "832x480",
                      "duration": 5
                    }
                  }
                },
                "withAudio": {
                  "summary": "Text-to-video request with audio guidance",
                  "value": {
                    "model": "Wan-AI/Wan2.5-T2V",
                    "input": {
                      "prompt": "A beautiful girl is dancing",
                      "audio_url": "https://example.com/audio.mp3"
                    },
                    "parameters": {
                      "size": "832x480",
                      "duration": 5
                    }
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Task submitted successfully.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/TaskSubmitResponse"
                },
                "examples": {
                  "submitted": {
                    "summary": "Submitted task",
                    "value": {
                      "output": {
                        "task_id": "task_id"
                      },
                      "request_id": "request_id"
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "examples": {
                  "invalidParameter": {
                    "$ref": "#/components/examples/InvalidParameterError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/InvalidParameterError"
                  }
                }
              }
            }
          }
        }
      }
    },
    "/v1/tasks/status": {
      "get": {
        "tags": [
          "Wan-AI/Wan2.5-T2V"
        ],
        "operationId": "getWanAIWan25T2VTaskStatus",
        "summary": "Wan-AI Wan2.5 Text-to-Video Status",
        "description": "Query the status and result URLs for an asynchronous task.",
        "security": [
          {
            "apiKeyAuth": []
          }
        ],
        "parameters": [
          {
            "name": "task_id",
            "in": "query",
            "required": true,
            "description": "Asynchronous task identifier returned by `/v1/tasks/submit`.",
            "schema": {
              "type": "string"
            },
            "examples": {
              "taskId": {
                "value": "task_id"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Task status response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/TaskStatusResponse"
                },
                "examples": {
                  "success": {
                    "summary": "Successful task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Success",
                        "urls": [
                          "https://xxxxx/xxxx.mp4"
                        ],
                        "submit_time": 1756959000,
                        "finish_time": 1756959050
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  },
                  "failure": {
                    "summary": "Failed task",
                    "value": {
                      "output": {
                        "task_id": "task_id",
                        "task_status": "Failure",
                        "submit_time": 1756959000,
                        "finish_time": 1756959019,
                        "error_message": "error_message"
                      },
                      "usage": {
                        "duration": 5
                      },
                      "request_id": ""
                    }
                  }
                }
              }
            }
          },
          "400": {
            "description": "Invalid task identifier or request parameters.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "examples": {
                  "invalidParameter": {
                    "$ref": "#/components/examples/InvalidParameterError"
                  }
                }
              }
            }
          },
          "default": {
            "description": "Error response.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                },
                "examples": {
                  "error": {
                    "$ref": "#/components/examples/InvalidParameterError"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "apiKeyAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "Authorization",
        "description": "ModelVerse API key, passed in the `Authorization` header as shown in the source examples."
      }
    },
    "schemas": {
      "WanAIWan25T2VTaskSubmitRequest": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "model",
          "input",
          "parameters"
        ],
        "properties": {
          "model": {
            "type": "string",
            "const": "Wan-AI/Wan2.5-T2V",
            "description": "Model name. Fixed to `Wan-AI/Wan2.5-T2V` for this API document."
          },
          "input": {
            "$ref": "#/components/schemas/WanAIWan25T2VInput"
          },
          "parameters": {
            "$ref": "#/components/schemas/WanAIWan25T2VParameters"
          }
        }
      },
      "WanAIWan25T2VInput": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "prompt"
        ],
        "properties": {
          "prompt": {
            "type": "string",
            "minLength": 1,
            "description": "Prompt used to guide video generation."
          },
          "negative_prompt": {
            "type": "string",
            "description": "Negative prompt used to limit undesired content."
          },
          "audio_url": {
            "type": "string",
            "format": "uri",
            "description": "Optional audio file URL used to guide generation."
          }
        }
      },
      "WanAIWan25T2VParameters": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "size"
        ],
        "properties": {
          "size": {
            "type": "string",
            "description": "Generated video size. The documented choices map to 480P, 720P, and 1080P landscape or portrait resolutions.",
            "enum": [
              "832x480",
              "480x832",
              "1280x720",
              "720x1280",
              "1920x1080",
              "1080x1920"
            ]
          },
          "duration": {
            "type": "integer",
            "description": "Generated video duration in seconds.",
            "enum": [
              5,
              10
            ],
            "default": 5
          },
          "prompt_extend": {
            "type": "boolean",
            "description": "Whether to enable intelligent prompt rewriting by a large model. This can improve short prompts but may increase latency.",
            "default": false
          },
          "seed": {
            "type": "integer",
            "minimum": -1,
            "maximum": 2147483647,
            "description": "Random seed. `-1` means random."
          }
        }
      },
      "TaskSubmitResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "task_id"
            ],
            "properties": {
              "task_id": {
                "type": "string",
                "description": "Unique asynchronous task identifier."
              }
            }
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "TaskStatusResponse": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "output",
          "request_id"
        ],
        "properties": {
          "output": {
            "type": "object",
            "additionalProperties": false,
            "required": [
              "task_id",
              "task_status"
            ],
            "properties": {
              "task_id": {
                "type": "string",
                "description": "Unique asynchronous task identifier."
              },
              "task_status": {
                "$ref": "#/components/schemas/TaskStatus"
              },
              "urls": {
                "type": "array",
                "description": "Video result URL list.",
                "items": {
                  "type": "string",
                  "format": "uri"
                }
              },
              "submit_time": {
                "type": "integer",
                "format": "int64",
                "description": "Task submission Unix timestamp in seconds."
              },
              "finish_time": {
                "type": "integer",
                "format": "int64",
                "description": "Task completion Unix timestamp in seconds."
              },
              "error_message": {
                "type": "string",
                "description": "Error message returned when the task fails."
              }
            }
          },
          "usage": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "duration": {
                "type": "integer",
                "description": "Task execution duration in seconds."
              }
            }
          },
          "request_id": {
            "type": "string",
            "description": "Unique request identifier."
          }
        }
      },
      "TaskStatus": {
        "type": "string",
        "description": "Task status.",
        "enum": [
          "Pending",
          "Running",
          "Success",
          "Failure"
        ]
      },
      "ErrorResponse": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "error"
        ],
        "properties": {
          "error": {
            "$ref": "#/components/schemas/ErrorObject"
          }
        }
      },
      "ErrorObject": {
        "type": "object",
        "additionalProperties": true,
        "required": [
          "message",
          "type"
        ],
        "properties": {
          "message": {
            "type": "string",
            "description": "Error message."
          },
          "type": {
            "type": "string",
            "description": "Error type.",
            "enum": [
              "invalid_request_error",
              "timeout",
              "rate_limit_error",
              "internal_error"
            ]
          },
          "code": {
            "type": [
              "string",
              "null"
            ],
            "description": "Error code."
          },
          "param": {
            "type": [
              "string",
              "null"
            ],
            "description": "Request id or parameter name related to the error."
          }
        }
      }
    },
    "examples": {
      "InvalidParameterError": {
        "summary": "Invalid parameter error",
        "value": {
          "error": {
            "message": "Invalid param",
            "type": "invalid_request_error",
            "code": "param_error",
            "param": "request_id"
          }
        }
      }
    }
  }
}
```