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MiniMax video remix ​

Remix a completed 768P video to 2K.

http
POST /v1/videos/video_abc123/remix

Available models ​

Headers ​

NameTypeRequiredDescription
stringYesRequest authentication. Use a Bearer Token, for example: .
stringYesContent type. Must be .

Request parameters ​

NameTypeRequiredDescription
stringYesGateway task ID of the source video (the returned by the creation endpoint). The gateway automatically maps it to the upstream task ID.

Request body ​

NameTypeRequiredDescription
stringYesModel name. See Available models above.
stringNoPrompt. - Not required when remixing by task ID. - Required when remixing via , and must exactly match the final sent to the model when generating the 768P source video.
integerNoRemix video duration in seconds. Used for billing pre-deduction; should match the source video duration.
stringNoFirst-frame image from the original task. Required as-is when using the method and the original task was image-to-video.
arrayNoImage inputs from the original task (first frame, last frame). Must match the original generation when using the method.
objectNoExtended config. See child fields below.
stringNo768P source video URL (remix by source video). Must meet MiniMax-H3 768P output specs: has audio track, 24 fps, width and height divisible by 32, area ≤ 768×1344, total frames 107–362.
integerNoSource video duration in seconds. Used for billing pre-deduction; the caller must pass it explicitly.
stringNoReference video used by the original task. Must match the original generation when using the method.
stringNoReference audio used by the original task. Must match the original generation when using the method.
booleanNoWhether to add an AIGC watermark. Defaults to .

Request example ​

bash
curl -X POST https://octopusx.ai/v1/videos/task_a1bxxxxxe5f6/remix \
  -H "Authorization: Bearer <token>" \
  -H "Content-Type: application/json" \
  -d '
{
  "model": "MiniMax-H3"
}'

Response example ​

json
{
  "id": "task_a1bxxxxxe5f6",
  "task_id": "task_a1bxxxxxe5f6",
  "object": "video",
  "model": "MiniMax-H3",
  "status": "queued",
  "progress": 0,
  "created_at": 1785125529
}