{"uid":"cap_jqWfwOVTYtu2KsrQ5BHFr","slug":"owlkey-image-generation-api-7f4c08c5","name":"OwlKey Image Generation API","description":"Prompt-to-image generation API for agents. Returns generated image data or URLs with OpenAI-compatible metadata.","url":"https://www.owlkeyapi.com/x402/services/image","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"n":{"type":"number","maximum":10,"minimum":1,"description":"Number of images."},"size":{"type":"string","description":"Image size, such as 1024x1024."},"model":{"type":"string","description":"Optional image model."},"prompt":{"type":"string","maxLength":4000,"minLength":1,"description":"Image generation prompt."},"quality":{"type":"string","description":"Optional image quality."},"background":{"type":"string","description":"Optional background mode."},"output_format":{"type":"string","description":"Optional output format."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.039","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":"$0.039/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.039","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.039","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y5lSZI6D4aHqj_i5wbPX4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.039","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 via a pay-per-call API, returning image data or URLs with OpenAI-compatible metadata.","exampleAgentPrompt":"Generate a photorealistic image of a golden retriever running on a sunny beach at sunset, 1024x1024 pixels, high quality, in PNG format.","exampleUseCases":[{"title":"Product mockup for e-commerce listing","prompt":"Create a single high-quality product image of a minimalist white ceramic coffee mug on a clean white background, 1024x1024, in PNG format."},{"title":"Social media visual for marketing campaign","prompt":"Generate 3 vibrant 1024x1024 images of a woman doing yoga at sunrise on a mountain top — I need options for our wellness brand's Instagram post."},{"title":"Concept art for game development","prompt":"Render a dark fantasy castle surrounded by storm clouds and lightning in a wide 1792x1024 format — high quality, for use as concept art in our game pitch."}],"resultDescription":"Returns generated image data or URLs in an OpenAI-compatible response format, including metadata such as the model used, number of images generated, and per-image data (base64 or URL depending on output format).","failureModes":["Prompt too long (exceeds 4000 characters) — validation error returned","Invalid size string format — may return an error or use a default size","Model not available or misspelled — fallback to default model or error","Payment failure via x402 protocol — request rejected without image generation","n value outside 1–10 range — validation error","Prompt contains policy-violating content — request rejected with content policy error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to generate images from text prompts in a pay-per-call, no-subscription model using the x402 micropayment protocol. It is well-suited for agents that need OpenAI-compatible image generation output without managing an OpenAI API key. Prefer it for agentic pipelines that require flexible per-request billing and support for options like background mode and output format selection.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:38:51.764Z","isFirstParty":false}