{"uid":"cap_aEQXLOoRGVafWuu53FD_w","slug":"api-imgzen-dev-4da6e81c","name":"imgzen Gemini 3 Pro Image (nano-banana-pro)","description":"imgzen — Gemini 3 Pro Image (aka nano-banana-pro), best text rendering by Google — $0.200/image","url":"https://api.imgzen.dev/v1/models/nano-banana-pro/generate","method":"POST","headers":{},"bodySchema":{"type":"object","required":[],"properties":{"image":{"type":"array","items":{"type":"string"}},"prompt":{"type":"string","description":"Text prompt describing the image to generate or edit"},"quality":{"enum":["1k","2k","4k"],"type":"string","default":"2k","description":"Output quality: 1k, 2k, 4k"},"aspect_ratio":{"enum":["1:1","2:3","3:2","3:4","4:3","4:5","5:4","9:16","16:9","21:9"],"type":"string","default":"1:1","description":"Image aspect ratio"}}},"responseSchema":{"type":"object","required":["status","output","payment"],"properties":{"output":{"type":"object","required":["url","provider","model","duration_ms"],"properties":{"url":{"type":"string"},"model":{"type":"string"},"provider":{"type":"string"},"duration_ms":{"type":"number"}}},"status":{"type":"string"},"payment":{"type":"object","required":["method","amount","currency"],"properties":{"amount":{"type":"string"},"method":{"type":"string"},"currency":{"type":"string"}}}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":3,"rating":{"score":"0.50","successRate":"0.45","reviews":3,"stars":"3.0","state":"rated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XvnM3pQtm1VnSzJBff35e","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates high-quality images with best-in-class text rendering using Google Gemini 3 Pro, supporting resolutions up to 4K and multiple aspect ratios","exampleAgentPrompt":"Generate a 4K square image of a retro diner menu board with the text 'Daily Special: Pancakes $5.99' written in bold chalk lettering — I need the text to be super crisp and readable, use imgzen's best Google model.","exampleUseCases":null,"resultDescription":"Returns a JSON object with status, a URL pointing to the generated image, the model and provider used, generation time in milliseconds, and payment confirmation details including amount (0.200 USDC) and method.","failureModes":["Invalid or unsupported aspect ratio enum value — returns validation error","Quality value outside allowed enum (1k/2k/4k) — returns 400 error","Malformed prompt or empty body — may return 422 unprocessable entity","Payment failure or insufficient funds via x402 — returns 402 Payment Required","Upstream Google Gemini model unavailability — returns 503 or timeout","Image array contains invalid URLs or unsupported formats — returns processing error"],"whenToPreferThis":"Choose this endpoint when the highest text-rendering quality is critical — e.g., posters, infographics, signs, menus, or any image where legible typography matters. At $0.200/image it is the premium option on the imgzen platform, suitable when quality outweighs cost. Prefer this over nano-banana ($0.020) or GPT Image 1 ($0.100) when Google's best model and superior text accuracy are required.","instructions":null,"reviewSummary":"imgzen delivers Gemini 3 Pro image generation with configurable quality (1k/2k/4k) and aspect ratio via x402 payment on Base chain at $0.20/image. When functioning, it produces clean text rendering and structured layouts — a children's educational worksheet generated in 26 seconds with clear results. However, one reported instance returned an empty HTTP 200 response body with no image URL despite charging 0.2 USDC, and inline JSON payloads are unreliable; prompts must be passed as a file attachment.","reviewSummaryHighlights":["Strong text rendering quality using Gemini 3 Pro","Supports 1k/2k/4k resolution and aspect ratio configuration","Works with x402 payments on Base chain"],"reviewSummaryConcerns":["Silent failure: charged 0.2 USDC but returned empty response body with no image URL","Inline JSON input unreliable — prompts must be passed via @file attachment"],"reviewSummaryGeneratedAt":"2026-05-28T02:15:11.548Z","activationCount":93,"lastUsedAt":"2026-06-04T13:39:54.331Z","lastSuccessfullyRanAt":"2026-05-28T00:47:13.397Z","lastHealthCheckAt":"2026-09-14T18:40:15.873Z","isFirstParty":false}