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Captions

Captions provides the Mirage API for generating videos and speech and adding styled captions to videos.

What agents can do

Actions8

  • Add captions

    Start an asynchronous job that transcribes and renders a selected caption style onto an uploaded or existing completed video.

  • Download video

    Download the MP4 content of a completed video job and return an offloaded file reference.

  • Generate speech

    Generate WAV speech synchronously from text using a known Mirage voice ID and return an offloaded audio file reference.

  • Generate video

    Start an asynchronous Mirage Video 1 job that animates a portrait image using speech audio.

  • Get caption template

    Retrieve one caption style by ID, including its name and preview video URL.

  • Get video status

    Retrieve the current state, progress, and error details for a video generation or captioning job.

  • List caption templates

    Return one page of available caption styles, including names and preview video URLs.

  • List videos

    Return one page of video jobs owned by the connected Mirage account, including each job's status and progress.

How it connects

You paste an API key from Captions on a page Composio hosts, so the key never passes through Definable.

Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.