{"uid":"cap_DGlzpEG9geYoG04QJ-RUp","slug":"fastapi-online-email-draft-generator-57180563","name":"fastapi.online — Email Draft 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/email-draft","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"tone":{"type":"string","maxLength":40},"intent":{"type":"string","maxLength":4000,"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_oTYMdDMKoSKeN3QZVr6mH","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 draft email given a stated intent and optional tone, using a self-hosted AI model paid per call with crypto.","exampleAgentPrompt":"Draft me an email in a professional tone — the intent is to follow up with a client about the proposal I sent last week and gently ask if they have any questions or are ready to move forward.","exampleUseCases":[{"title":"Client follow-up after proposal","prompt":"Can you draft a professional email following up with a client who received a proposal from me five days ago? I want to check if they have questions and nudge them toward a decision without being pushy."},{"title":"Friendly cold outreach to a partner","prompt":"Write a friendly cold outreach email — the goal is to introduce my startup, Morning Bloom Coffee, to a potential distribution partner and ask for a 20-minute call to explore working together."},{"title":"Formal apology to a customer","prompt":"I need a formal apology email to send to a customer whose order arrived damaged. The tone should be sincere and professional, and I want to offer a replacement or refund."}],"resultDescription":"A fully composed email draft as text, ready to review, copy, and send — reflecting the stated intent and the requested tone (e.g. formal, friendly, apologetic).","failureModes":["Missing or empty 'intent' field returns a validation error (minLength:1 required)","Tone string exceeding 40 characters is rejected","Vague or contradictory intent may produce a generic or off-target draft","Model unavailability or self-hosted inference downtime returns a 5xx error","Insufficient payment or expired x402 token returns a 402 Payment Required error"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call AI email drafting service with no account signup, especially in automated agent workflows or crypto-native pipelines. It's ideal when you want a lightweight single-call solution rather than a full email platform SDK, and when paying per use with USDC is acceptable or preferred.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:11:14.020Z","isFirstParty":false}