MiniMax H3 Max extend video

Video URL

URL of the video to extendRequired · video_url

Prompt

What happens nextRequired · prompt

Aspect ratio

Output aspect ratioOptional · aspect_ratio

Enable prompt expansion

Automatically enhance the prompt using the source video to help keep the continuation consistentOptional · enable_prompt_expansion

Reference audio URLs

Optional audio references for the continuation (2-15 seconds each, 15 seconds combined)Optional · reference_audio_urls

Output

'extended' returns the source and new footage as one video (extended or continuation)Optional · output

Duration

Seconds of new footage to addOptional · duration

Seed

Seed for the continuationOptional · seed

Enable safety checker

Moderate the source video and the promptOptional · enable_safety_checker

Resolution

Output video resolution (480P, 768P, 1080P or 2K)Optional · resolution

Price

Usage based, at the cost the provider reports for the call

Billing

Billed at the exact provider cost, without a per-call cap. The initial reservation is an estimate; additional usage is debited and unused funds are refunded.

Price checked

7 October 2026

Your agent reads the schema and the price with inspect_tool before it runs the tool.

MCP call

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cURL command

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TypeScript

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