{"servers":[{"url":"https://api.modellix.ai/api/v1/skywork/skyreels-r2v"}],"post":{"description":"**[Core Function]** SkyReels Reference-to-Video (multiobject) generates a video from a prompt while preserving the subjects from 1-4 reference images. **[Strengths]** Multi-subject identity preservation, placing specific characters or objects into a newly generated scene. **[Best For]** Putting given characters/products into a new scene, multi-subject composition from reference photos. **[Limitations]** Do NOT use this to animate a single fixed frame (use skyreels-i2v) or for text-only generation (use skyreels-t2v). It requires 1-4 reference images and produces clips up to 5s. **[Routing]** Provide 1-4 subject reference images in ref_images; set aspect_ratio and duration (1-5s) as needed.","operationId":"skyreelsR2VAsync","requestBody":{"content":{"application/json":{"examples":{"basic":{"summary":"Two subject references","value":{"aspect_ratio":"16:9","duration":5,"prompt":"The two characters walk together through a neon-lit city","ref_images":["https://example.com/subject_a.png","https://example.com/subject_b.png"]}}},"schema":{"description":"SkyReels reference-to-video (multiobject) request. Preserves subjects from 1-4 reference images.","properties":{"aspect_ratio":{"default":"16:9","description":"Video aspect ratio.","enum":["16:9","4:3","1:1","9:16","3:4"],"example":"16:9","type":"string"},"duration":{"default":5,"description":"Video duration in seconds.","example":5,"maximum":5,"minimum":1,"type":"integer"},"prompt":{"description":"Text description of the video to generate (max 512 tokens).","example":"The two characters walk together through a neon-lit city","minLength":1,"type":"string"},"ref_images":{"description":"1-4 subject reference image URLs (jpg/jpeg/png/gif/bmp).","example":["https://example.com/subject_a.png","https://example.com/subject_b.png"],"items":{"minLength":1,"type":"string"},"maxItems":4,"minItems":1,"type":"array"}},"required":["prompt","ref_images"],"type":"object"}}},"required":true},"responses":{"200":{"content":{"application/json":{"example":{"code":0,"data":{"get_result":{"method":"GET","url":"https://api.modellix.ai/api/v1/tasks/task-skyreels-r2v-001"},"model_id":"skyreels/skyreels-r2v","status":"pending","task_id":"task-skyreels-r2v-001"},"message":"success"},"schema":{"properties":{"code":{"description":"Response code, 0 indicates success","example":0,"type":"integer"},"data":{"description":"Detailed data about the submitted asynchronous task.","properties":{"get_result":{"description":"API information to query the task result","properties":{"method":{"example":"GET","type":"string"},"url":{"example":"https://api.modellix.ai/api/v1/tasks/task-abc123","type":"string"}},"type":"object"},"model_id":{"description":"Model ID in `provider/model` format","example":"skyreels/skyreels-i2v","type":"string"},"status":{"description":"Task status","enum":["pending","processing"],"example":"pending","type":"string"},"task_id":{"description":"Unique task identifier for polling","example":"task-abc123","type":"string"}},"required":["status","task_id","model_id"],"type":"object"},"message":{"description":"Response message","example":"success","type":"string"}},"required":["code","message","data"],"type":"object"}}},"description":"Task submitted successfully"},"400":{"content":{"application/json":{"example":{"code":400,"message":"Invalid parameters: parameter 'prompt' is required"},"schema":{"properties":{"code":{"example":400,"type":"integer"},"message":{"example":"Invalid parameters: parameter 'prompt' is required","type":"string"}},"required":["code","message"],"type":"object"}}},"description":"Invalid request parameters"},"401":{"content":{"application/json":{"example":{"code":401,"message":"Authentication failed: invalid API key"},"schema":{"properties":{"code":{"example":400,"type":"integer"},"message":{"example":"Invalid parameters: parameter 'prompt' is required","type":"string"}},"required":["code","message"],"type":"object"}}},"description":"Unauthorized - Invalid or missing API Key"},"429":{"content":{"application/json":{"example":{"code":429,"message":"Rate limit exceeded: 100 requests per minute, retry after 60 seconds"},"schema":{"properties":{"code":{"example":400,"type":"integer"},"message":{"example":"Invalid parameters: parameter 'prompt' is required","type":"string"}},"required":["code","message"],"type":"object"}}},"description":"Too many requests - Rate limit exceeded","headers":{"X-RateLimit-Limit":{"description":"Maximum requests per minute","schema":{"example":100,"type":"integer"}},"X-RateLimit-Remaining":{"description":"Remaining quota in current window","schema":{"example":0,"type":"integer"}},"X-RateLimit-Reset":{"description":"Rate limit window reset time (Unix timestamp)","schema":{"example":1704067260,"type":"integer"}}}},"500":{"content":{"application/json":{"example":{"code":500,"message":"Internal server error"},"schema":{"properties":{"code":{"example":400,"type":"integer"},"message":{"example":"Invalid parameters: parameter 'prompt' is required","type":"string"}},"required":["code","message"],"type":"object"}}},"description":"Internal server error"}},"summary":"SkyReels Reference-to-Video (Multiobject)","x-mint":{"href":"skyreels/skyreels-r2v"}}}