Lipsync API guide (JSON-RPC)

Updated 2026-06-18 · Endpoint: https://prod-api.revidapi.com/json-rpc

Programmatic lipsync for apps, backends and n8n.

Authentication

Authorization: ApiKey lk_<your_key>

Create key at lipsync.revidapi.com/api-keys.

3-step flow

1. Upload audio — createUpload → PUT S3 → finalizeUpload
2. Create job — createLipSyncJob with avatarId + audioId
3. Poll — getLipSyncJob every 5–10s → output.cdnUrl