{"uid":"cap_a3O9VKVc55MmjZ7C-tJBx","slug":"fastapi-online-emoji-generator-0c80a49f","name":"fastapi.online — Emoji 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/generate-emoji","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"seed":{"type":"integer"},"subject":{"type":"string","maxLength":300,"minLength":1,"description":"the emoji subject"}}},"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_d4xOFH-4q-W6T9NeuJ-0D","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 a custom emoji image from a text subject description, with optional seed for reproducibility","exampleAgentPrompt":"Generate an emoji of a golden retriever puppy holding a coffee cup — use seed 42 so I can reproduce it later.","exampleUseCases":[{"title":"Custom emoji for team Slack","prompt":"Create a custom emoji of a rocket ship launching from a laptop keyboard — use seed 7 so we can regenerate the same one if needed."},{"title":"Emoji for a food delivery app","prompt":"Generate an emoji of a steaming bowl of ramen noodles for use in our restaurant app UI."},{"title":"Novelty emoji for social post","prompt":"Make me a unique emoji of a dinosaur wearing sunglasses — I want to use it as a reaction in my Discord server."}],"resultDescription":"Returns a generated emoji image corresponding to the provided subject text. The seed parameter allows reproducible generation of the same emoji when supplied with the same subject.","failureModes":["Subject text too long (exceeds 300 characters) returns validation error","Missing subject field returns 422 Unprocessable Entity","Payment not included or insufficient returns 402 Payment Required","Seed value out of integer range returns validation error","Model inference timeout returns 500 error"],"whenToPreferThis":"Choose this endpoint when you need to programmatically generate custom emoji images from arbitrary text descriptions without signing up for an account, paying per-call with crypto (USDC). Ideal for agents that need on-demand novelty emoji creation for chat apps, social media, or UI assets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:13:44.971Z","isFirstParty":false}