API REFERENCE

Create music from video

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POST/api/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.

Authentication

x-api-key in header

bearerAuth bearer

Request

cURL

curl --request POST \
  --url 'https://api.recoupable.dev/api/music/video-to-music' \
  --header 'x-api-key: YOUR_API_KEY' \
  --form 'files=@YOUR_FILE_PATH'

Request body required

Video files and optional generation parameters

multipart/form-data

filesarray<string>required

Video files to analyze (max 200 MB total)

minItems: 1 · maxItems: 10

Item properties

string

descriptionstring

Optional text description to guide the music generation

maxLength: 1000

tagsarray<string>

Optional style tags to influence the output (max 10)

maxItems: 10

Item properties

string

sign_with_c2paboolean

Sign the output with C2PA content credentials

Default: false

output_formatstring

Audio output format (e.g. mp3_44100_192)

Responses

200Background music generated successfully

song-idresponse header

Unique identifier for the generated song

audio/mpeg

string

400Validation failed — invalid or missing request body fields

application/json

errorstringrequired

Error message describing what went wrong.

401Unauthorized — invalid or missing API key

application/json

errorstringrequired

Error message describing what went wrong.

500Internal server error

application/json

errorstringrequired

Error message describing what went wrong.

Full specification

Download the OpenAPI file for complete schemas, constraints, and examples.

Download content.json

View operation source

json

{
  "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"
          }
        }
      }
    }
  }
}