> For the documentation index, fetch https://sync.so/docs/llms.txt. Append .md to a page URL for Markdown. Documentation-search MCP: https://sync.so/docs/_mcp/server. # Product ## Docs - [How AI Lip Sync Works](https://sync.so/docs/product/how-ai-lip-sync-works.md): Learn how AI lip sync technology works. Understand how sync. labs' models detect faces, generate lip movements, and blend them into video for realistic results. - [Use Cases](https://sync.so/docs/product/use-cases.md): Explore how teams use the sync. labs lip sync API for e-learning, marketing, content localization, entertainment, and personalized video at scale. - [Billing](https://sync.so/docs/product/billing.md): sync. labs API pricing and billing guide. Subscription plans, usage-based billing, cost estimation, and payment details for lip sync generation. - [Integrations](https://sync.so/docs/product/integrations.md): All sync. labs integrations: ChatGPT, Adobe Premiere, DaVinci Resolve, MCP Server, ComfyUI, ElevenLabs, SDKs, and REST API. - [Experimental Features](https://sync.so/docs/product/experimental-features.md): Early access to new sync. labs features before general availability. Enable experimental lip sync models, UI improvements, and API enhancements. - [Generation Times & Performance](https://sync.so/docs/product/generation-times.md): Understand expected generation times for sync. labs lip sync models, what affects processing speed, and how to troubleshoot slow or stuck generations. - [Troubleshooting](https://sync.so/docs/product/troubleshooting.md): Common issues and solutions for the sync. labs lip sync API. Fix authentication errors, stuck generations, rate limits, lip sync quality, billing, TTS failures, upload formats, and more.