Video

InfiniteTalk

InfiniteTalk turns a portrait and audio track into a talking or singing avatar video with lip synchronization and per-audio-second billing.

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Portrait + audio

Optional mask image

480p / 720p

Audio up to 600 seconds

Generated preview

InfiniteTalk

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Create with InfiniteTalk

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Authentication & Integration

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Integrate with AI

Copy a prompt for your AI assistant to install APIXO MCP, read the live schema, and wire this model into your app.

Endpoints

POSThttps://api.apixo.ai/api/v1/generateTask/infinitetalkCreate task

GEThttps://api.apixo.ai/api/v1/statusTask/infinitetalk?taskId={taskId}Poll status

Request body

request_type

async

Use callback with callback_url for webhooks.

input

object

Mode, prompt, references, size, duration, and audio settings.

Parameters

request_typerequired

Typeselect

Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback

callback_urlconditional

Typetext

Public HTTPS URL for callback delivery.Only in request_type=callback

moderequired

Typeselect

Choose the video workflow supported by this model.image-to-video

promptrequired

Typestring

Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.

resolutionrequired

Typeselect

Choose the output resolution tier.480p · 720p

seedoptional

Typetext

Use -1 for random output, or 0-2147483647 for reproducible generation.

Parameter	Type	Required	Description
`request_type`	select	required	Use async to poll statusTask, or callback to receive a webhook when the result is ready.async · callback
`callback_url`	text	conditional	Public HTTPS URL for callback delivery.Only in request_type=callback
`mode`	select	required	Choose the video workflow supported by this model.image-to-video
`prompt`	string	required	Describe the subject, action, scene, camera movement, lighting, and audio cues for the final video.
`resolution`	select	required	Choose the output resolution tier.480p · 720p
`seed`	text	optional	Use -1 for random output, or 0-2147483647 for reproducible generation.

File parameters (URL arrays)

image_urls[mode=image-to-video]Upload one source portrait plus an optional mask image.Only in mode=image-to-video

audio_urls[mode=image-to-video]Upload audio references for multimodal generation when supported.Only in mode=image-to-video

Example (cURL)

curl -X POST "https://api.apixo.ai/api/v1/generateTask/infinitetalk" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "request_type": "async",
    "input": {
      "mode": "image-to-video",
      "image_urls": [
        "https://example.com/portrait.png"
      ],
      "audio_urls": [
        "https://example.com/voice.mp3"
      ],
      "prompt": "make the portrait speak naturally with subtle head motion",
      "resolution": "480p",
      "seed": -1
    }
  }'

Full API documentation

InfiniteTalk Tips

Create video generation with InfiniteTalk

Use InfiniteTalk through APIXO to try prompts, inspect examples, compare costs, and keep useful settings ready for future generations.

Create

Start with an idea

Pick a model, tune the settings, and create in one place.

Write an idea

Describe what you want to make.

Use an example

Start from a ready-made style.

Adjust the look

Tune the key settings quickly.

Create

Generate when everything feels right.

Keep results

Save what you want to revisit.

Try again

Make the next version faster.

InfiniteTalk API Technical Specs

Current InfiniteTalk capabilities and important creation limits.

InfiniteTalk Modes

Audio-driven talking avatar video

InfiniteTalk Output

Portrait + audio

InfiniteTalk Controls

Optional mask image / 480p / 720p

InfiniteTalk Latency

Depends on audio length

Talking Avatar API

Key InfiniteTalk capabilities

InfiniteTalk video generation

Use InfiniteTalk for Audio-driven talking avatar video creation with simple controls for prompts, references, and output settings.

InfiniteTalk reference control

Upload supported reference assets where available, then keep refining the same idea on the model page.

InfiniteTalk generation status

Keep track of longer video generations while the result is being prepared.

What can you build with InfiniteTalk?

InfiniteTalk product videos

Create product reveals, ecommerce ads, launch clips, and campaign motion assets.

InfiniteTalk social creative

Generate short videos for social channels and iterate quickly across prompt, duration, resolution, and ratio settings.

InfiniteTalk storyboard workflows

Use text prompts and references to validate scenes, shots, and motion ideas before committing production budget.

Read FAQ

InfiniteTalk notes and questions

Audio input must be exactly one public MP3, WAV, or M4A URL.

Audio is limited to 128 MB and 600 seconds.

Image input supports one portrait plus one optional mask image.

Prompt is optional, but cannot be blank when provided.

Longer audio generally takes longer to process and should use callback delivery in production.

Yes. Use the Create tab to try prompts, upload supported inputs, and adjust settings directly in the browser.

APIXO

Create with InfiniteTalk

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