{"info":{"title":"ModelRunner OpenAPI schema for qwen-image/v3.0/text-to-image","version":"0.1.0"},"paths":{"/health-check":{"get":{"summary":"Healthcheck","responses":{"200":{"content":{"application/json":{"schema":{"title":"Response Healthcheck Health Check Get"}}},"description":"Successful Response"}},"operationId":"healthcheck_health_check_get"}}},"openapi":"3.1.0","components":{"schemas":{"Input":{"type":"object","title":"Input","required":["prompt"],"properties":{"seed":{"type":"integer","title":"Seed","maximum":2147483647,"minimum":0,"x-order":4,"description":"Random seed for reproducible results. Omit for a different image each run."},"prompt":{"type":"string","title":"Prompt","x-order":0,"description":"What to generate. Long, explicit prompts work best: name each element, where it sits, and the exact wording of any text that should appear in the image (put that wording in quotes). Any language. The ceiling is roughly 4500 tokens, and a longer prompt is rejected rather than trimmed."},"watermark":{"type":"boolean","title":"Watermark","default":false,"x-order":5,"description":"Add a visible watermark to the generated image. Off by default."},"image_size":{"enum":["auto","1_1_1k","1_1_2k","4_3_1k","4_3_2k","3_4_1k","3_4_2k","16_9_1k","16_9_2k","9_16_1k","9_16_2k"],"type":"string","title":"Image Size","default":"auto","x-order":1,"description":"Output shape and resolution, as an aspect-ratio + resolution preset. 'auto' lets the model choose a shape that suits the prompt. Every size costs the same, so pick the shape the design needs."},"prompt_extend":{"type":"boolean","title":"Prompt Extend","default":true,"x-order":3,"description":"Rewrite and expand the prompt before generating. On by default, and it markedly improves short or vague descriptions. Set it to false when you have written a long, precise prompt and want it used as-is."},"negative_prompt":{"type":"string","title":"Negative Prompt","x-order":2,"description":"Describe what should be kept out of the image."}}},"Output":{"type":"array","items":{"type":"string","format":"uri"},"title":"Output","description":"Generated image URL(s). This model returns exactly one image per request."}}}}