{
  "openapi": "3.1.0",
  "info": {
    "title": "SeedRouter SD Video",
    "version": "1.0.0",
    "description": "Video with generated audio from a prompt, a first frame or references. Asynchronous task delivery; media by URL only; callbacks are not offered; tasks cannot be cancelled."
  },
  "servers": [
    {
      "url": "https://api.seedrouter.ai/v1"
    }
  ],
  "security": [
    {
      "bearerAuth": []
    }
  ],
  "paths": {
    "/videos/generations": {
      "post": {
        "summary": "Create a video generation task",
        "operationId": "createVideoTask",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/VideoRequest"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Accepted. Poll the returned id; no video is returned by this call.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/TaskAccepted"
                }
              }
            }
          },
          "400": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "401": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "402": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "403": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "429": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "503": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    },
    "/tasks/{task_id}": {
      "get": {
        "summary": "Read an owned image task",
        "operationId": "getImageTask",
        "parameters": [
          {
            "name": "task_id",
            "in": "path",
            "required": true,
            "schema": {
              "type": "string",
              "pattern": "^task_[A-Za-z0-9]{1,64}$"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Processing, completed or failed task. Polling timeout is not a task failure.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/Task"
                }
              }
            }
          },
          "401": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "403": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          },
          "404": {
            "description": "Public error; no infrastructure details.",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/ErrorResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer"
      }
    },
    "schemas": {
      "VideoRequest": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "model": {
            "type": "string",
            "enum": [
              "sd-video"
            ]
          },
          "mode": {
            "type": "string",
            "enum": [
              "text_to_video",
              "image_to_video",
              "reference_to_video",
              "t2v",
              "i2v",
              "ref2va"
            ],
            "default": "reference_to_video",
            "description": "t2v, i2v and ref2va are accepted as aliases. Fields of another mode return 400 when they carry a value; an empty list or null passes."
          },
          "prompt": {
            "type": "string",
            "minLength": 1,
            "maxLength": 32000
          },
          "duration": {
            "type": "integer",
            "minimum": 5,
            "maximum": 15,
            "default": 5
          },
          "resolution": {
            "type": "string",
            "enum": [
              "480p",
              "768p"
            ],
            "default": "768p"
          },
          "prompt_enhancement": {
            "type": "string",
            "enum": [
              "turbo",
              "quality",
              "disabled"
            ],
            "default": "turbo"
          },
          "aspect_ratio": {
            "type": "string",
            "enum": [
              "21:9",
              "16:9",
              "4:3",
              "1:1",
              "3:4",
              "9:16",
              "adaptive"
            ],
            "description": "Default 16:9 for text_to_video and adaptive (the first reference) for reference_to_video; adaptive is reference_to_video only. image_to_video follows the first frame."
          },
          "seed": {
            "type": "integer",
            "minimum": 0,
            "maximum": 4294967295,
            "description": "Unsigned 32-bit. Random when omitted."
          },
          "image": {
            "anyOf": [
              {
                "type": "object",
                "properties": {
                  "type": {
                    "type": "string",
                    "const": "url"
                  },
                  "url": {
                    "type": "string",
                    "format": "uri"
                  }
                },
                "required": [
                  "type",
                  "url"
                ],
                "additionalProperties": false
              },
              {
                "type": "null"
              }
            ],
            "description": "image_to_video only, required there: {\"type\": \"url\", \"url\": \"https://...\"}, an image of 16 MB or less."
          },
          "reference_images": {
            "anyOf": [
              {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "type": {
                      "type": "string",
                      "const": "url"
                    },
                    "url": {
                      "type": "string",
                      "format": "uri"
                    }
                  },
                  "required": [
                    "type",
                    "url"
                  ],
                  "additionalProperties": false
                }
              },
              {
                "type": "null"
              }
            ],
            "default": [],
            "description": "reference_to_video only. Up to 9 images of 16 MB or less, as {\"type\": \"url\", \"url\": \"https://...\"}; 12 references in total. Base64 and asset ids are not accepted."
          },
          "reference_videos": {
            "anyOf": [
              {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "type": {
                      "type": "string",
                      "const": "url"
                    },
                    "url": {
                      "type": "string",
                      "format": "uri"
                    }
                  },
                  "required": [
                    "type",
                    "url"
                  ],
                  "additionalProperties": false
                }
              },
              {
                "type": "null"
              }
            ],
            "default": [],
            "description": "reference_to_video only. Up to 3 videos of 32 MB or less, as {\"type\": \"url\", \"url\": \"https://...\"}; 12 references in total. Base64 and asset ids are not accepted."
          },
          "reference_audio": {
            "anyOf": [
              {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "type": {
                      "type": "string",
                      "const": "url"
                    },
                    "url": {
                      "type": "string",
                      "format": "uri"
                    }
                  },
                  "required": [
                    "type",
                    "url"
                  ],
                  "additionalProperties": false
                }
              },
              {
                "type": "null"
              }
            ],
            "default": [],
            "description": "reference_to_video only. Up to 3 audio of 32 MB or less, as {\"type\": \"url\", \"url\": \"https://...\"}; 12 references in total. Base64 and asset ids are not accepted."
          }
        },
        "required": [
          "model",
          "prompt"
        ],
        "additionalProperties": false
      },
      "TaskAccepted": {
        "type": "object",
        "required": [
          "id",
          "model",
          "status",
          "created_at"
        ],
        "properties": {
          "id": {
            "type": "string"
          },
          "model": {
            "enum": [
              "sd-video"
            ]
          },
          "status": {
            "const": "processing"
          },
          "created_at": {
            "type": "integer"
          }
        }
      },
      "Task": {
        "type": "object",
        "required": [
          "id",
          "model",
          "status",
          "created_at"
        ],
        "properties": {
          "id": {
            "type": "string"
          },
          "model": {
            "enum": [
              "sd-video"
            ]
          },
          "status": {
            "enum": [
              "processing",
              "completed",
              "failed"
            ]
          },
          "created_at": {
            "type": "integer"
          },
          "finished_at": {
            "type": "integer"
          },
          "output": {
            "type": "object",
            "properties": {
              "video_url": {
                "type": "string",
                "format": "uri"
              },
              "duration": {
                "type": "integer"
              },
              "width": {
                "type": "integer"
              },
              "height": {
                "type": "integer"
              },
              "aspect_ratio": {
                "type": "string",
                "description": "The reduced pixel ratio of the delivered video, for example 23:15 when adaptive."
              },
              "seed": {
                "type": "integer"
              }
            }
          },
          "error": {
            "$ref": "#/components/schemas/Error"
          }
        }
      },
      "Error": {
        "type": "object",
        "required": [
          "code",
          "message"
        ],
        "properties": {
          "code": {
            "type": "integer",
            "enum": [
              10001,
              10002,
              20001,
              20002,
              30001,
              30002,
              50001,
              50002,
              50003,
              60001,
              60002,
              60003,
              60004,
              90001
            ]
          },
          "message": {
            "type": "string"
          }
        }
      },
      "ErrorResponse": {
        "type": "object",
        "properties": {
          "error": {
            "$ref": "#/components/schemas/Error"
          }
        }
      }
    }
  }
}