Swap in a new audio track and keep every mouth movement in sync. No reshoot, no retraining, no manual animation.
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Reshooting a video to update one hook, repair a missed line, or record a translation is slow and expensive. Vidione's Lip Sync API replaces that whole cycle. Send a source video with a new audio track and receive a finished result that follows the original performance.
Built for emotion, timing, and speaking style, the model carries the character of the new recording across the frame without subject-by-subject training. Marketing teams can test alternate openings, product teams can patch approved edits, and localization teams can ship every market version from a single shoot.
Step 01
Make a request with a source video and replacement audio. Standard video and audio files are supported, including subjects up to 4K, clips up to 10 minutes, and files as large as 5GB. No reference footage or training set is needed.
Step 02
The model finds the face and rebuilds the mouth and lower face to match the new track. Emotion and speaking style carry over from the recording, so the delivery feels like the speaker's own. Results return in a fraction of the time a retake would take.
Step 03
The API returns a finished video at the resolution you sent, with the mouth aligned to the new audio. Pair it with translated voiceovers to deliver localized versions for every market.
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One take can become endless versions. Switch in a new opening for a paid social test, insert a corrected line, or replace the voiceover with a translation while the lips continue to match. No reshoot, no re-record, and no manual mouth animation. The original visual take stays intact whether the final cut is headed to short-form feeds, vertical stories, or a brand channel.
The model transfers emotion and speaking style from the new audio so the result feels like the speaker's own delivery instead of a pasted overlay. It is designed for difficult footage too: a hand crossing the face, low light, quick camera movement, close framing, and edits from multiple angles. Strong mouth detail and extreme perspectives are handled with the polish needed for brand-safe publishing.
Call it over REST or run it as a managed deployment, and process footage up to 4K and 10 minutes at $0.07 per second, with the same price at every resolution. Zero-shot processing means no per-face setup, so teams can batch thousands of clips across different speakers, animated subjects, and non-human characters. Pair the sync endpoint with image-to-video generation, captions, and translation to turn one shoot into every version you need.
An AI lip sync API is a video-to-video endpoint that re-renders a speaker's mouth to follow a new audio track. You provide a source video and separate audio file, then receive a finished video aligned to the new recording. Vidione's sync model also carries across emotion and speaking style, so the result feels performed rather than pasted on.
Processing costs $0.07 per second of video, with the same rate at every resolution. A one-minute clip costs $4.20 whether it is 720p or 4K, so higher-resolution deliverables do not add another processing tier. There is no per-speaker training fee and no fine-tuning step.
No. The endpoint is zero-shot, so it can work with a new face on the first request without training data, reference clips, or a setup phase. Send a video and an audio track and the model handles the sync directly, making large multi-speaker pipelines practical.
The API accepts standard video and audio files, supports subjects up to 4K, handles clips up to 10 minutes, and accepts files up to 5GB. It returns the completed video at the resolution supplied in the source request.
Clear, well-lit footage with a visible speaker generally gives the fastest path to a polished result. The model is also designed to handle lower light, movement, close framing, hands or objects crossing the face, and footage assembled from several angles.
Yes. Pair a translated voiceover with the original video and the endpoint creates a localized version with the mouth aligned to the new language. Teams can generate multiple market versions from one approved shoot without recording the original performance again.
The first four clips I made with Vidione passed 40,000 impressions on LinkedIn.
I found Vidione at exactly the right time. Cleaner audio and better eye contact make our UGC work harder.
With Vidione, I skipped the tutorial marathon and went straight into making the work.
Beyond simple cuts, Vidione makes my videos feel considered and ready to publish.
Turn one approved performance into polished alternate lines, voiceovers, and market-ready versions with a developer-friendly endpoint.
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Generate expressive presenter-led scenes from a single image, then refine, caption, translate, and export every version in one workflow.
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Explore a growing set of creative models for short-form video, image generation, voices, presenters, and fast production experiments.
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The Lip Sync 2.0 API is one endpoint inside Vidione's wider video creation platform. Generate presenter-led video from a single image, create voices and visuals, then refine what comes back: trim it, caption it, translate it, and place it inside your brand system so each version feels made by your team rather than by a machine. From first generation through dubbing, branding, and export, Vidione turns one video into every version you need in minutes.
