The Kling 3.0 series models API is now fully available Learn More Get Started Overview Quick Start Changelog API Reference General Info Rate Limits Callback Schema Video Generation Models Video Omni Text to Video Image to Video Reference to Video Motion Control Multi-elements to video Extend Video Lip Sync Avatar Text to Audio Video to Audio Text to Speech Voice Clone Image Recognize Element Effects Effect Templates NEW Video Effects Image Generation Models Image Omni Image Generation Reference to Image Extend Image AI Multi-Shot Virtual Try-On Others Query user info Pricing Billing Info Prepaid Resource Packs Protocols Privacy Policy of API Service Terms of API Service API Service Level Agreement Callback Protocol As for the Async task(image generation / video generation / virtual try-on),if you actively set the callback_url when you Create Task, the server will actively notify you when the task status changes, and the protocol is as follows: JSON Copy Collapse { "task_id": "string", // Task ID, generated by the system "task_status": "string", // Task status, Enum values: submitted, processing, succeed, failed "task_status_msg": "string", // Task status information, displaying the failure reason when the task fails (such as triggering the content risk control of the platform, etc.) "created_at": 1722769557708, // Task creation time, Unix timestamp, unit ms "updated_at": 1722769557708, // Task update time, Unix timestamp, unit ms "final_unit_deduction": "string", // The deduction units of task "task_info": { // Task creation parameters. Detailed information provided by the user during task creation. "parent_video": { "id": "string", // Generated video ID; globally unique "url": "string", // URL for generating images (To ensure information security, generated images/videos will be cleared after 30 days. Please make sure to save them promptly.) "duration": "string" // Total duration of the video before continuation, in s }, "external_task_id": "string" // Customer-defined task ID }, "task_result": { "images": [ // The result of image-related tasks { "index": int, // Image Number "url": "string" // URL for generating images, such as: https://h1.inkwai.com/bs2/upload-ylab-stunt/xxx.png (To ensure information security, generated images/videos will be cleared after 30 days. Please make sure to save them promptly.) } ], "videos": [ // The result of video-related tasks { "id": "string", // Generated video ID; globally unique "url": "string", // URL for generating videos (To ensure information security, generated images/videos will be cleared after 30 days. Please make sure to save them promptly.) "duration": "string" // Total video duration, unit: s (seconds) } ] } } Previous chapter:Rate Limits Next chapter:Models The Kling 3.0 Series Models API is Now Fully Available – All in One, One for All! Models Available in This Release Kling 3.0 Motion Control, Kling Video 3.0, Kling Video 3.0 Omni, Kling Image 3.0, Kling Image 3.0 Omni Refer to Key Highlights of the Models 3.0 All-in-One: A unified model for multi-modal input and output. Most powerful consistency across the universe: Subject consistency (supports cameo, subject with voice control, i2v + subject) and text consistency. Narrative control at your fingertips: More freedom, precision, and control—up to 15 seconds long, video scene cuts, ultra-high-definition storyboards/images, custom seconds. Upgraded native audio-visual output: Supports multiple speakers and languages (with accents). Kling 3.0 Motion Control Consistent Facial Identity from any angle Complex Emotions faithfully reproduced High fidelity Restoration, Even with Face Occlusions Consistent Facial Clarity Across Dynamic Framing User Guide -> Kling Video 3.0 Compared to 2.6, expected improvements: Supports subject upload in I2V scenarios for enhanced consistency Significant improvement in multi-character referencing, especially for three-person scenarios Supports Japanese, Korean, and Spanish in addition to Chinese and English Capable of generating certain dialects and accents Better distinction and control over different types of audio (speech, sound effects, BGM) Improved text retention in I2V scenarios Supports scene transitions, with up to 6 shots and customizable storyboarding User Guide -> Kling Video 3.0 Omni Compared to O1, expected improvements: Native audio-visual synchronization Supports video subject creation Further improved consistency in reference-based tasks, especially for characters and products Combined capabilities of reference + storyboarding + audio-visual sync significantly enhance usability Supports scene transitions, with up to 6 shots Extended generation duration up to 15 seconds User Guide -> Kling Image 3.0 Highly consistent feature retention Precise response to detail modifications Accurate control over style and tone Rich imaginative capabilities User Guide -> Kling Image 3.0 Omni Enhanced narrative sense New storyboard image set generation, retaining reference image features with scene relevance Direct output of 2K/4K ultra-high-definition images Further improved detail consistency User Guide -> Thank you for your support and understanding! 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