{"openapi":"3.1.0","info":{"title":"Seedream 5.0 Pro API","version":"1.0.0","description":"Send each request once; the response returns when the image is ready.\nprompt is required unless layer_decomposition is true.\nlayer_decomposition requires exactly one PNG or JPEG image and size 1K, 1.5K, 2K or auto (default).\nbackground transparent requires exactly one image with an alpha channel, PNG output and no layer decomposition.\nExact sizes must total 921600–4624220 pixels with an aspect ratio from 1:16 to 16:1."},"servers":[{"url":"https://api.wanapi.app"}],"security":[{"bearerAuth":[]}],"paths":{"/v1/images/generations":{"post":{"summary":"Generate an image or split one into layers","requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Request"},"example":{"model":"bytedance/seedream-5.0-pro","prompt":"A minimalist magazine cover: a red fox in fresh snow at dawn, the bold serif title \"QUIET WILD\" across the top","size":"1K"}}}},"responses":{"200":{"description":"Generated images","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Response"}}}},"400":{"description":"Invalid parameters or content policy"},"401":{"description":"Authentication required"},"402":{"description":"Insufficient balance"},"429":{"description":"Too many requests"},"502":{"description":"Result not received; not charged"},"503":{"description":"Temporarily unavailable; not charged"}}}}},"components":{"securitySchemes":{"bearerAuth":{"type":"http","scheme":"bearer"}},"schemas":{"Request":{"type":"object","additionalProperties":false,"required":["model"],"properties":{"model":{"const":"bytedance/seedream-5.0-pro"},"prompt":{"type":"string"},"image":{"oneOf":[{"type":"string","description":"HTTP(S) URL or data:image/<lowercase format>;base64,... (JPEG, PNG, WebP, BMP, TIFF, GIF, HEIC or HEIF; up to 30 MB)."},{"type":"array","items":{"type":"string","description":"HTTP(S) URL or data:image/<lowercase format>;base64,... (JPEG, PNG, WebP, BMP, TIFF, GIF, HEIC or HEIF; up to 30 MB)."},"maxItems":10}]},"size":{"type":"string","default":"2K","description":"1K, 1.5K, 2K or WIDTHxHEIGHT; with layer_decomposition: 1K, 1.5K, 2K or auto."},"layer_decomposition":{"type":"boolean","default":false},"optimize_prompt_options":{"type":["object","null"],"additionalProperties":false,"properties":{"mode":{"enum":["standard","fast"],"default":"standard"}}},"output_format":{"enum":["jpeg","png"],"default":"jpeg"},"background":{"enum":["opaque","transparent"],"default":"opaque"},"watermark":{"type":"boolean","default":true},"nsfw_checker":{"type":"boolean","default":true},"response_format":{"enum":["url","b64_json"],"default":"url"},"n":{"const":1}}},"Response":{"type":"object","properties":{"created":{"type":"integer"},"data":{"type":"array","items":{"type":"object","properties":{"url":{"type":"string"},"b64_json":{"type":"string"},"size":{"type":"string"},"output_format":{"enum":["jpeg","png"]},"z_index":{"type":"integer"},"bounding_box":{"type":"object"},"name":{"type":"string"},"description":{"type":"string"}}}},"usage":{"type":"object","properties":{"input_images":{"type":"integer"},"generated_images":{"type":"integer"}}}}}}}}