Video: Edit & Effects

flux-3-video-extend (balanced)

Continue an existing video clip with prompt-guided motion using FLUX 3. Input: prompt, video_url, resolution, duration, generate_audio. Output: video. Use for: extending or chaining video clips.

post/api/v1/flux-3-video-extend

Request

  • Base URL: https://api.muapi.ai
  • URL: https://api.muapi.ai/api/v1/flux-3-video-extend
  • Auth: one of:
    • API key in header x-api-key
    • OAuth 2 (client credentials, token URL https://api.muapi.ai/oauth/token)

Query parameters

webhookstring
team_idinteger nullable

Headers

x-api-keystring
x-embed-codestring nullable
x-agent-embed-codestring nullable
x-whitelabel-studiostring nullable
authorizationstring nullable

Request body

promptstring required
video_urlstring uri required
aspect_ratio'21:9' | '2:1' | '16:9' | '4:3' | '1:1' | '3:4' | '9:16' nullable
resolution'720p' | '1080p'
durationinteger
generate_audioboolean
webhook_urlstring uri nullable

Response

Successful Response

unknown required

Changes

No recorded changes to this operation across all 2 revisions of this API.