{"uid":"cap_Fm_tcMCcuEGLSdyc4mqbs","slug":"imgnai-katana-image-generation-api-c09c4ff6","name":"imgnAI Katana Image Generation API","description":"Pay-per-call AI gateway: Frontier/SOTA LLM, Image, and Video models - and proprietary low-cost imgnAI models. Includes GPT 5.5, Opus 4.8, GPT Image 2, Nano Banana 2, Seedance 2.0, Happy Horse, and Google Omni. Fully compatible with OpenAPI, HermesOS, and OpenClaw.","url":"https://kat.imgnai.com/v1/images/generations","method":"POST","headers":{},"bodySchema":{"type":"object","required":["model","prompt"],"properties":{"model":{"type":"string"},"prompt":{"type":"string"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0156","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.0156/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0156","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0156","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_I5uMOQ7BbID2boR6wN7N-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0156","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates AI images from text prompts using frontier and proprietary models via a pay-per-call gateway","exampleAgentPrompt":"Generate an image of a futuristic city skyline at sunset using the GPT Image 2 model, in 16:9 aspect ratio, no dark or gloomy tones, and give me 1 output.","exampleUseCases":null,"resultDescription":"Returns a JSON object with a status field, a request_id string, and a responses array containing the generated image data (likely URLs or base64-encoded images) from the requested model.","failureModes":["Invalid or unsupported model name returns an error","Missing required prompt field causes validation failure","Insufficient payment or x402 payment failure blocks the request","Invalid aspect_ratio string may cause generation error","num_outputs set too high may exceed model or billing limits","Prompt violates content policy and is rejected"],"whenToPreferThis":"Choose this endpoint when you need pay-per-call AI image generation without a subscription, want access to frontier models like GPT Image 2 alongside proprietary low-cost options like Nano Banana 2, or need OpenAI-compatible API access with crypto micropayment support (x402/USDC).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T02:43:46.038Z","isFirstParty":false}