Video Lipsync - Parameters Reference

Kling

Kling Lipsync

Model ID: model_kling-lip-sync

InputLabelTypeDefaultMinMaxAllowed ValuesNotes
videoUrlVideoassetId2-10s, <100MB, 720p–1080p
audioFileLip Sync Audio FileassetIdrequired if text not provided
textLip Sync Textstringrequired if audio not provided
voiceIdAI Voice Liststringen_AOT(40+ voices available)used when text provided
voiceSpeedVoice Speednumber10.82

Kling AI Avatar V2 Pro

Model ID: model_kling-video-ai-avatar-v2-pro

InputLabelTypeDefaultNotes
imageImageassetIdrequired avatar image
audioAudioassetIdrequired
textAdd Descriptionstringoptional cue

Bytedance

Bytedance OmniHuman 1.5

Model ID: model_bytedance-omni-human-1-5

InputLabelTypeDefaultNotes
imageImageassetIdrequired
audioAudioassetIdrequired (recommended ≤15s for best quality)

Bytedance OmniHuman

Model ID: model_bytedance-omni-human

InputLabelTypeDefaultNotes
imageImageassetIdrequired
audioAudioassetIdrequired (recommended ≤15s for best quality)

Pixverse

Pixverse Lipsync

Model ID: model_pixverse-lipsync

InputLabelTypeDefaultAllowed ValuesNotes
videoVideoassetIdrequired
audioAudioassetIdrequired if text not provided
textText To Speechstring""required if audio not provided
voiceIdVoicestringAutoEmily, James, Isabella, Liam, Chloe, Adrian, Harper, Ava, Sophia, Julia, Mason, Jack, Oliver, Ethan, Autoused when text provided

Creatify

Creatify Lipsync

Model ID: model_creatify-lipsync

InputLabelTypeDefaultNotes
videoUrlVideoassetIdrequired
audioUrlAudioassetIdrequired
loopLoopbooleantruewhether to loop audio

Creatify Aurora (Avatar)

Model ID: model_creatify-aurora

InputLabelTypeDefaultMinMaxAllowed ValuesNotes
imageAvatar ImageassetIdNoneNoneNoneNoneRequired. Input avatar image
audioAudioassetIdNoneNoneNoneNoneRequired. Input audio file
promptPromptstringNoneNone2048NoneOptional text prompt to guide generation
guidanceScalePrompt Guidancenumber105NoneHigher values follow the prompt more closely
audioGuidanceScaleAudio Guidancenumber205NoneHigher values follow the audio more closely
resolutionResolutionstring720pNoneNone480p, 720pOutput video resolution

Sync Labs

Sync Lipsync React 1

Model ID: model_sync-lipsync-react-1

InputLabelTypeDefaultMinMaxAllowed ValuesNotes
videoVideoassetIdNoneNoneNoneNoneRequired. Input video file
audioAudioassetIdNoneNoneNoneNoneRequired. Input audio file. Maximum duration is 15 seconds.
emotionEmotionstringneutralNoneNonehappy, angry, sad, neutral, disgusted, surprisedEmotion prompt for generation
modelModeModel ModestringfaceNoneNonelips, face, headControls edit region and movement scope
lipsyncModeLipsync ModestringbounceNoneNoneloop, bounce, cut_off, silence, remapBehavior when audio and video durations differ
temperatureTemperaturenumber0.501NoneControls expressiveness of lipsync

Sync Lipsync v2 Pro

Model ID: model_sync-lipsync-v2-pro

InputLabelTypeDefaultMinMaxAllowed ValuesNotes
videoVideoassetIdrequired
audioAudioassetIdrequired
syncModeSync Modestringlooploop, bounce, cut_off, silence, remaplipsync behavior when lengths mismatch
temperatureTemperaturenumber0.501expressiveness
activeSpeakerActive Speakerbooleanfalsedetects active speaker