Changelog

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Lucy 2.1, Virtual Try-On & Team Accounts

• Lucy 2.1 - New flagship realtime and batch video editing model (lucy-2.1). Available across JavaScript, Python, Android, and Swift SDKs
• Virtual Try-On - Launched lucy-2.1-vton for realtime and batch virtual try-on, with a new e-commerce integration guide
• Canonical SDK model names - Unified model naming across all SDKs (e.g. lucy-2.1, lucy-image-2, lucy-restyle-2, lucy-clip, live-avatar) with deprecation warnings for legacy names
• -latest aliases - Use lucy-latest, lucy-vton-latest, lucy-restyle-latest, lucy-clip-latest, lucy-motion-latest, or lucy-image-latest to automatically target the newest model version without code changes
• Reference images for image editing - Added reference_image (file or URL) support to lucy-image-2 for image-to-image editing
• Team accounts - Create organizations with shared credits and billing, invite members by email, manage roles and ownership transfer, and scope API keys to an organization
• Auto top-up credits - Save a Stripe payment method and automatically refill credits when your balance drops below a threshold (now also available for organizations)
• Billing portal & receipts - Manage payment methods and invoices through a hosted Stripe portal, and download receipts directly from a redesigned transaction history
• API Terms of Service & DPA - Published formal API Terms of Service and Data Processing Addendum
• Realtime Playground - Added a mobile version selector and improved auto-sent image handling

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Client Tokens v2, Android SDK & Model Simplification

• Client tokens v2 - Client tokens now support configurable TTL, model scoping, and per-session constraints for finer-grained client-side access control
• Android SDK - Published the Decart Android SDK with realtime (android-realtime) and batch (android-queue) APIs, upload progress callbacks, and Android code snippets across the Lucy 2 docs
• LipSync Live pricing and guides - Added full pricing and a complete guide for realtime lip syncing
• Simpler model names - Renamed models across docs and the platform with consistent naming, and separated flagship from legacy models in the sidebar
• Lucy Edit consolidation - Unified Lucy Edit v1 and v2 into a single docs page with a version selector
• Mirage → Lucy Restyle Live - Renamed Mirage to Lucy Restyle Live across docs, the platform, and all SDKs

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Realtime SDK Overhaul & Lucy 2

• Lucy 2 Realtime - Launched Lucy 2 (lucy-2), a new realtime video-to-video model with character reference image support
• Session viewing - Other clients can now watch an active realtime session as read-only viewers using a subscribe token
• Unified set() method - Atomically replace session state (prompt and reference image) in a single call across JavaScript and Python SDKs
• Auto-reconnect - Realtime SDKs now automatically reconnect with exponential backoff when connections drop
• generationTick event - Track session duration and billing with a new periodic event during generation
• New connection states - Added "generating" and "reconnecting" states for better lifecycle visibility

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Lucy 2 RT Preview, Reference Images & Avatar Live

• Lucy 2 RT (Preview) - Early access to Lucy 2 realtime at 720p@20FPS
• Reference images - Added reference image support for Lucy Restyle Live, Lucy Restyle, Lucy Pro, and Lucy Edit models in realtime
• Avatar Live - New model for audio-driven avatar animation with MP3 support
• Server proxy - New server proxy integration and Next.js proxy adapter for backend-to-backend SDK usage
• React Native support - JavaScript SDK now supports file uploads from React Native
• Python 3.10+ - Python SDK now requires Python 3.10 or later

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Lucy Restyle & Client Tokens

• Lucy Restyle - New video restyling model (lucy-restyle-2) for transforming video aesthetics with up to 30-minute input
• Client tokens - New client tokens API for secure short-lived token creation in client-side apps
  • Unified generate endpoint - All model generation consolidated into a single API route
  • Image cropping - Crop uploaded images before processing in the Studio
  • Reduced image pricing - Lower pricing for image generation models

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Queue API & AWS Marketplace

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New Features

• Queue-based API - Introduced queue API pattern for video generation, enabling better handling of long-running jobs
• AWS Marketplace - Decart API Platform is now available on AWS Marketplace with integrated billing
• Showcase page - Added a new showcase page highlighting community creations and use cases
• Lucy Fast - Added Lucy Edit Fast model for quicker video-to-video transformations

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API & SDK Updates

• Updated model routes and code examples for job submission workflow
• Improved error messages when content violates Terms of Service
• Updated video pricing for 720p resolution

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Platform Improvements

• Enhanced billing page with AWS Marketplace support
• Improved credits reserve and deduction logic
• Better video expand functionality in the video player

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Lip Syncing, Motion & Platform Redesign

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New Features

• Lip Syncing - Added realtime lip-syncing capabilities to sync audio with video
• Lucy Motion - Introduced Lucy Motion model for object animation and movement
• Lucy Restyle Live v2 - Upgraded to Lucy Restyle Live v2 as the default realtime model with improved quality
• Video recording - Added ability to record sessions directly in the Realtime Playground

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Platform Redesign

• Launched redesigned homepage with improved navigation
• New model page in Studio with better organization
• Redesigned sign-in page and authentication flow
• Mobile-optimized Realtime Playground experience
• Renamed “Studio” to “Models” for clarity

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SDK & Documentation

• Released Python SDK documentation
• Added Swift SDK for iOS development
• Added comprehensive lip-syncing documentation
• Upgraded to Next.js 16 for improved performance

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Developer Experience

• Idle detection with warning dialog in Realtime Playground
• Improved ephemeral API key handling
• Added preset functionality for quick model configuration
• GDPR-compliant analytics with consent management