{"uid":"cap_KjwnuJgTAmfb1QDm2nz-D","slug":"payweave-fal-flux-dev-image-generation-e247a68c","name":"PayWeave Fal · FLUX Dev Image Generation","description":"Sub-second generative AI inference — image, video, audio.","url":"https://fal.payweave.services/models/fal-ai/flux/dev/run","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","required":["prompt"],"properties":{"seed":{"type":"integer","minimum":0,"description":"Random seed; omit for non-deterministic outputs."},"prompt":{"type":"string","maxLength":5000,"minLength":1,"description":"Text prompt describing the desired image."},"image_size":{"enum":["square_hd","square","portrait_4_3","portrait_16_9","landscape_4_3","landscape_16_9"],"type":"string"},"output_format":{"enum":["jpeg","png"],"type":"string"},"guidance_scale":{"type":"number","maximum":20,"minimum":0},"num_inference_steps":{"type":"integer","maximum":50,"minimum":1},"enable_safety_checker":{"type":"boolean"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.92","successRate":"1.00","reviews":1,"stars":"4.7","state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"5.0000","medianCents":"5.0000","p90Cents":"5.0000","minCents":"5.0000","maxCents":"5.0000","p95Cents":"5.0000","sampleCount":6,"varies":false,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HEitV2McmmxWXP_CMjK04","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates images from text prompts using the FLUX Dev model via fal.ai, billed at $0.05 USDC per call over x402","exampleAgentPrompt":"Generate an image of a misty mountain lake at sunrise with pine trees reflected in the water, using the FLUX Dev model — I want a high-quality photorealistic result.","exampleUseCases":[{"title":"Create product mockup images for e-commerce","prompt":"Generate a product photo of a sleek wireless headphone in matte black, sitting on a marble surface with soft studio lighting — I need this to look professional and polished for our online store."},{"title":"Produce custom social media graphics","prompt":"Create a vibrant illustration of a coffee cup with steam forming into abstract swirls, surrounded by autumn leaves — make it warm and inviting for our fall campaign."},{"title":"Generate concept art for creative projects","prompt":"Generate an image of a futuristic space station orbiting a purple planet with asteroid rings, rendered in a cinematic sci-fi style — I want something suitable as cover art for our upcoming game."}],"resultDescription":"Returns a JSON object with a fal request ID, the model name, status ('succeeded'), a CDN URL for the generated image (hosted on fal.ai with ~24-hour TTL), inference time in seconds, and the USD amount charged for the call.","failureModes":["Invalid or missing input object returns a 400-level error","Payment failure or insufficient USDC balance returns a 402 error preventing inference","Model overload or timeout may return an error field with a non-null message and no output","CDN URL expiration after ~24h means stored image links become invalid","Malformed prompt or unsupported input parameters may yield null output with an error string"],"whenToPreferThis":"Choose this endpoint when you need fast, pay-per-call text-to-image generation using the FLUX Dev model specifically, billed in USDC via x402 protocol with no subscription required. Ideal for agents that need on-demand image synthesis without managing API keys or monthly plans, especially when cost predictability ($0.05/call) matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":6,"lastUsedAt":"2026-09-15T02:49:00.882Z","lastSuccessfullyRanAt":"2026-09-15T02:49:00.882Z","lastHealthCheckAt":"2026-09-15T16:56:00.286Z","isFirstParty":false}