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Infinitalk API-AI lip-sync generator
InfiniteTalk API by MeiGen-AI is an advanced AI lip sync video API that turns images or text with audio into lifelike talking avatars. It supports image-to-talking-video, natural facial expressions, precise lip-sync, and infinite-length talking videos. With UniRoute, you can test it free online—no local setup needed.
Pricing
| Tier | UniRoute | Market |
|---|---|---|
| lip sync · up to 15 secondss-480p | $0.015 | $0.20 |
| lip sync · up to 15 secondss-720p | $0.06 | $0.40 |
per second
About this model
Upload a single portrait image and an audio file to generate a realistic AI talking video. The InfiniteTalk AI Lip-Sync Generator API ensures natural facial expressions, synchronized head movements, and accurate lip synchronization for professional-quality outputs.
Deep dive
InfiniteTalk Image-to-Talking-Video API
Upload a single portrait image and an audio file to generate a realistic AI talking video. The InfiniteTalk AI Lip-Sync Generator API ensures natural facial expressions, synchronized head movements, and accurate lip synchronization for professional-quality outputs.
InfiniteTalk Text + Audio Lip-Sync Video API
Provide a text script along with an audio input to create a lip-synced talking head video. This makes InfiniteTalk a powerful AI lip-sync generator API for speeches, quotes, podcasts, and personalized content narration.
Wan 2.1 as the Video Generation Backbone
Wan 2.1 is an image-to-video model that generates continuous video frames from a single image. Within the InfiniteTalk AI API, Wan 2.1 acts as the visual backbone, ensuring motion stability and temporal consistency for long-form video generation.
Call it with one request
Works with the OpenAI SDK — just change the base URL.
curl https://api.uniroute.dev/v1/video/generations \
-H "Authorization: Bearer $UNIROUTE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "infinitalk",
"prompt": "Drone shot over a neon city at night",
"duration": 8
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