{"uid":"cap_CeCnp3rcL7X8lOmqGHnLP","slug":"flux-pro-1-1-ultra-text-to-image-paysponge-x402-a7847422","name":"FLUX Pro 1.1 Ultra Text-to-Image (PaySponge x402)","description":"POST /fal-ai/flux-pro/v1.1-ultra","url":"https://fal.x402.paysponge.com/fal-ai/flux-pro/v1.1-ultra?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["prompt"],"properties":{"raw":{"type":"boolean","description":"Generate less processed, more natural-looking images."},"seed":{"type":"integer"},"prompt":{"type":"string","description":"Text prompt describing the desired output. Be concrete: name the subject, style, composition, and any key attributes. Longer prompts (50–200 words) typically produce more faithful results."},"image_url":{"type":"string","description":"Optional reference image URL."},"sync_mode":{"type":"boolean"},"num_images":{"type":"integer"},"aspect_ratio":{"enum":["21:9","16:9","4:3","3:2","1:1","2:3","3:4","9:16","9:21"],"type":"string"},"output_format":{"enum":["jpeg","png"],"type":"string"},"enhance_prompt":{"type":"boolean"},"safety_tolerance":{"enum":["1","2","3","4","5","6"],"type":"string"},"image_prompt_strength":{"type":"number","description":"Strength of the image prompt between 0 and 1."}},"additionalProperties":false},"responseSchema":{"type":"object","required":["request_id","response_url","status_url","cancel_url","queue_position"],"properties":{"cancel_url":{"type":"string","format":"uri"},"request_id":{"type":"string"},"status_url":{"type":"string","format":"uri"},"response_url":{"type":"string","format":"uri"},"queue_position":{"type":"integer"}},"additionalProperties":false},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lB_wBOvGPEchEVn12Suis","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Submits a FLUX Pro 1.1 Ultra text-to-image generation job via fal.ai through the PaySponge x402 payment wrapper, with support for image prompting, aspect ratio control, and raw rendering mode.","exampleAgentPrompt":"Generate a photorealistic 16:9 landscape image of a misty Japanese mountain village at dawn with wooden bridges and lanterns, using raw rendering mode for a natural look — make the prompt enhancement off and use seed 42.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing a request_id, a response_url to poll for the final image, a status_url to check job progress, a cancel_url to abort the job, and the current queue_position. The agent must poll the response_url or status_url asynchronously to retrieve the generated image once processing completes.","failureModes":["Payment not accepted or insufficient USDC balance — x402 payment handshake fails before job is submitted","Invalid aspect_ratio enum value — returns validation error","Prompt missing from request body — returns 400 bad request","image_url is unreachable or malformed — fal.ai backend rejects reference image","image_prompt_strength outside 0–1 range — validation error","Safety tolerance mismatch causes content rejection","Job queued but result never returned — must poll status_url and handle timeout","Rate limiting or capacity errors from fal.ai backend"],"whenToPreferThis":"Choose this endpoint when you need the highest-quality FLUX Pro image generation (Ultra tier) with optional image-to-image prompting, non-standard aspect ratios (e.g. 21:9 cinematic or 9:21 tall), or raw/natural rendering mode. Prefer over FLUX Pro v1.1 (non-Ultra) when maximum detail and flexibility are needed. Prefer over FLUX Schnell or FLUX Dev when quality outweighs speed. Use when the requester is willing to pay $0.06 USDC per image for top-tier output. Not ideal for rapid iteration or batch previews where cheaper/faster variants suffice.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T21:29:31.757Z","isFirstParty":false,"canonicalSlug":"flux-pro-1-1-ultra-text-to-image-paysponge-x402-a7847422"}