{"uid":"cap_xKcW3tLr_qttWqElkTreq","slug":"fastapi-online-generate-book-cover-140f086c","name":"fastapi.online — Generate Book Cover","description":"Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.","url":"https://api.fastapi.online/generate-book-cover","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"integer"},"genre":{"type":"string","maxLength":60},"title":{"type":"string","maxLength":300,"minLength":1,"description":"the book title"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.012","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":"$0.012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.012","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xd0XmA9T1KV_8u9deiGoz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.012","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates an AI-created book cover image given a title, genre, and optional random seed","exampleAgentPrompt":"Can you generate a book cover for my mystery novel called 'The Last Cipher' — make it in the thriller genre, and use seed 42 so I can reproduce it later?","exampleUseCases":[{"title":"Self-published author cover creation","prompt":"I need a book cover for my fantasy novel called 'The Ember Crown' — can you generate one in the fantasy genre?"},{"title":"Rapid prototype covers for pitching","prompt":"Generate a few book cover options for a romance novel called 'Hearts in the Rain' — use the romance genre and try seed 7 for the first one."},{"title":"Ebook cover for non-fiction release","prompt":"Create a book cover for my self-help book titled 'Habits of the Intentional Mind' — make it look like a non-fiction personal development book."}],"resultDescription":"Returns an AI-generated book cover image (likely as binary image data or a URL) styled to match the provided title and genre, with reproducible output when a seed is specified.","failureModes":["Missing required 'title' field returns a validation error","Title exceeding 300 characters is rejected","Genre string exceeding 60 characters is rejected","Payment failure (insufficient USDC) results in 402 response","Model inference timeout may occur under high load","Seed value not an integer causes schema validation failure"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost AI-generated book cover image from just a title and genre — especially useful for self-published authors, rapid prototyping, or ebook publishing workflows. It requires no signup and accepts crypto micropayments per call, making it ideal for agent-driven or automated publishing pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:56:51.747Z","isFirstParty":false}