{"uid":"cap_9U8uDQ8D40wrb7Pw1p85y","slug":"fastapi-online-outline-generator-980dc37a","name":"fastapi.online — Outline Generator","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/outline-generate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"depth":{"type":"integer","maximum":4,"minimum":1},"topic":{"type":"string","maxLength":2000,"minLength":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tin31YZGBEAb8oxQfnkQk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a structured hierarchical outline for a given topic at a specified depth level","exampleAgentPrompt":"Generate a 3-level deep structured outline on the topic of 'The Future of Renewable Energy' so I can use it as a blueprint for my article.","exampleUseCases":[{"title":"Blog post structure planning","prompt":"I'm writing a blog post about personal finance for millennials — can you generate a 2-level outline so I have a solid structure to write from?"},{"title":"Academic paper outlining","prompt":"Help me create a 4-level deep outline for a research paper on the psychological effects of social media on teenagers."},{"title":"Course curriculum design","prompt":"I need to design a curriculum module on machine learning basics — generate a 3-level hierarchical outline covering all the key subtopics."}],"resultDescription":"A structured, hierarchical outline for the given topic, organized into sections and nested subsections up to the specified depth (1–4 levels). The output serves as a content blueprint with labeled headings and logical groupings.","failureModes":["Topic string missing or empty — returns 400 validation error","Depth value outside 1–4 range — returns validation error","Topic too long (over 2000 characters) — returns 422 unprocessable entity","Model inference timeout on complex topics — may return 500 or timeout","Payment not included or insufficient — returns 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when you need a structured, multi-level content outline generated automatically from just a topic string and depth setting. It is ideal for writers, educators, and agents building content pipelines who want a quick hierarchical skeleton without writing a full prompt to a general-purpose LLM. At $0.0015 per call with no signup required, it is cost-effective for high-volume outline generation workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:12:14.767Z","isFirstParty":false}