{"uid":"cap_Z_0xbiWTDUYiF94osgnFC","slug":"fastapi-online-thank-you-note-generator-7f27ecc4","name":"fastapi.online — Thank You Note 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/thank-you-note-generate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"context":{"type":"string","maxLength":2000,"minLength":1}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YF09_N1jZwJ1ckU4yOiwp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a personalized thank-you note based on a provided context string","exampleAgentPrompt":"Can you write me a thank-you note for my colleague Sarah who covered my shifts while I was sick last week — keep it warm and professional?","exampleUseCases":[{"title":"Post-interview professional thank you","prompt":"Write me a thank-you note to send after my job interview today with the hiring manager at Acme Corp — I want to express gratitude and reiterate my interest in the software engineer role."},{"title":"Wedding gift acknowledgment","prompt":"Can you generate a thank-you note for my aunt Linda who gave us a beautiful set of kitchen knives as a wedding gift? Make it personal and warm."},{"title":"Corporate sponsorship thank you","prompt":"Draft a professional thank-you note to our sponsor TechVentures Inc. for supporting our nonprofit's annual gala last weekend with a $5,000 donation."}],"resultDescription":"A generated thank-you note as a text string, tailored to the provided context — typically 2-5 sentences suitable for sending directly or lightly editing.","failureModes":["Empty or missing 'context' field returns a validation error","Context exceeding 2000 characters is rejected","Vague or ambiguous context may produce a generic, less personalized note","Payment failure or insufficient USDC balance blocks the request"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.001 USDC), no-signup thank-you note generation with pay-per-call crypto billing and no subscription overhead. Ideal for agents that need to generate occasional one-off thank-you messages without committing to a larger writing API service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:55:21.195Z","isFirstParty":false}