# Create music from video

Source: https://recoupable.dev/docs/api-reference/complete/content/post-music-video-to-music

Generate background music from video files. Upload 1–10 video files via multipart/form-data (max 200 MB total). The AI analyzes the video content and generates music that matches the mood, pacing, and style. Optionally provide a text description and style tags to guide the output.

## POST /api/music/video-to-music

Full OpenAPI specification: https://recoupable.dev/docs/spec/content.json

## Authentication

This operation requires one of the security alternatives in the specification below. Security scheme definitions are included where present in the published specification.

[Authentication guide](https://recoupable.dev/docs/authentication)

## Operation and referenced schemas

```json
{
  "openapi": "3.1.0",
  "info": {
    "title": "Recoup API - Content",
    "description": "API documentation for the Recoup platform - an AI agent platform for the music industry",
    "license": {
      "name": "MIT"
    },
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "https://api.recoupable.dev"
    }
  ],
  "paths": {
    "/api/music/video-to-music": {
      "post": {
        "description": "Generate background music from video files. Upload 1–10 video files via multipart/form-data (max 200 MB total). The AI analyzes the video content and generates music that matches the mood, pacing, and style. Optionally provide a text description and style tags to guide the output.",
        "security": [
          {
            "apiKeyAuth": []
          },
          {
            "bearerAuth": []
          }
        ],
        "requestBody": {
          "description": "Video files and optional generation parameters",
          "required": true,
          "content": {
            "multipart/form-data": {
              "schema": {
                "type": "object",
                "properties": {
                  "files": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "format": "binary"
                    },
                    "minItems": 1,
                    "maxItems": 10,
                    "description": "Video files to analyze (max 200 MB total)"
                  },
                  "description": {
                    "type": "string",
                    "maxLength": 1000,
                    "description": "Optional text description to guide the music generation"
                  },
                  "tags": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    },
                    "maxItems": 10,
                    "description": "Optional style tags to influence the output (max 10)"
                  },
                  "sign_with_c2pa": {
                    "type": "boolean",
                    "default": false,
                    "description": "Sign the output with C2PA content credentials"
                  },
                  "output_format": {
                    "type": "string",
                    "description": "Audio output format (e.g. mp3_44100_192)"
                  }
                },
                "required": [
                  "files"
                ]
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Background music generated successfully",
            "headers": {
              "song-id": {
                "schema": {
                  "type": "string"
                },
                "description": "Unique identifier for the generated song"
              }
            },
            "content": {
              "audio/mpeg": {
                "schema": {
                  "type": "string",
                  "format": "binary"
                }
              }
            }
          },
          "400": {
            "description": "Validation failed — invalid or missing request body fields",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/MusicErrorResponse"
                }
              }
            }
          },
          "401": {
            "description": "Unauthorized — invalid or missing API key",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/MusicErrorResponse"
                }
              }
            }
          },
          "500": {
            "description": "Internal server error",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/MusicErrorResponse"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "MusicErrorResponse": {
        "type": "object",
        "required": [
          "error"
        ],
        "description": "Error response from a music endpoint.",
        "properties": {
          "error": {
            "type": "string",
            "description": "Error message describing what went wrong."
          }
        }
      }
    },
    "securitySchemes": {
      "apiKeyAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "x-api-key",
        "description": "Your Recoup API key. [Learn more](/quickstart#api-keys)."
      },
      "bearerAuth": {
        "type": "http",
        "scheme": "bearer"
      }
    }
  }
}
```