Sync Labs

Sync Labs (sync.so) provides studio-grade AI lip-sync and visual dubbing APIs. Their technology synchronizes video lip movements with any audio track using state-of-the-art neural networks, enabling professional video dubbing, content localization, and personalized video generation at scale. Backed by Y Combinator.

APIs

API	Description
Sync Labs API	AI lip-sync REST API: single generation, batch, assets, models
Python SDK	Official Python 3.8+ SDK (pip install syncsdk)
TypeScript SDK	Official Node.js 18+ SDK (npm i @sync.so/sdk)

Models

Model	Description	Cost/sec
sync-3	Most powerful, 4K native, professional grade	$0.133
lipsync-2-pro	Premium quality, enhanced facial detail	$0.067
lipsync-2	General purpose, preserves speaking style	$0.035
lipsync-1.9	Fastest, maximum speed for simple videos	$0.020
react-1	Expressive lip sync with emotions	Custom

OpenAPI Specifications

Spec	File
Sync Labs API v2	openapi/sync-labs-openapi.yml

Capabilities

Shared Per-API Definitions

Capability	Description
Sync Labs API	Generation, batch, assets, models, cost estimation

Workflow Capabilities

Workflow	Description
Video Dubbing	Full dubbing workflow: generate, batch, estimate, monitor

Artifacts

Type	Resource
Spectral Rules	rules/sync-labs-rules.yml
JSON Schema - Generation	json-schema/sync-labs-generation-schema.json
JSON Structure - Generation	json-structure/sync-labs-generation-structure.json
JSON-LD Context	json-ld/sync-labs-context.jsonld
Example - Create Generation	examples/sync-labs-create-generation-example.json
Vocabulary	vocabulary/sync-labs-vocabulary.yml

Links

• Website: https://sync.so
• Documentation: https://sync.so/docs/introduction
• Quickstart: https://sync.so/docs/quickstart
• Pricing: https://sync.so/pricing
• API Keys: https://sync.so/settings/api-keys
• Y Combinator: https://www.ycombinator.com/companies/sync-2
• Contact: hello@sync.so

Maintainers

Kin Lane | kin@apievangelist.com