{"uid":"cap_tfVB7KhoEKaKxbzl1zeVa","slug":"fastapi-online-hashtag-generator-2715d39b","name":"fastapi.online Hashtag 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/hashtag-generate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"count":{"type":"integer","maximum":30,"minimum":1},"content":{"type":"string","maxLength":8000,"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_INTAqdMKm46XugQeM2pbz","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 specified number of relevant hashtags for a given piece of content using self-hosted AI inference","exampleAgentPrompt":"Generate 10 hashtags for this Instagram post: 'Just launched our new line of sustainable bamboo water bottles — eco-friendly, durable, and perfect for outdoor adventures. Available now on our website!'","exampleUseCases":[{"title":"Instagram product launch hashtags","prompt":"I'm posting about our new sustainable bamboo water bottles on Instagram — can you generate 15 hashtags for this caption: 'Eco-friendly, durable, and built for adventure. Shop our new bamboo bottle line today!'"},{"title":"LinkedIn article hashtag boost","prompt":"I just wrote a LinkedIn article about remote work productivity trends in 2025. Generate 8 relevant hashtags I can add to the post to help it get discovered."},{"title":"YouTube video SEO tags","prompt":"Help me come up with 20 hashtags for a YouTube Shorts video about quick healthy breakfast recipes for busy mornings — something that will help it get found."}],"resultDescription":"A list of relevant hashtags (up to 30) tailored to the provided content, returned as an array or structured text ready to paste into a social media post.","failureModes":["Content too short or empty — minLength:1 enforced, blank input rejected","Count out of range — must be between 1 and 30, otherwise validation error","Content too long — maxLength:8000 characters enforced","Payment failure — x402 payment not provided or insufficient USDC balance","Model inference timeout — self-hosted model may occasionally be slow or unavailable","Generic or ambiguous content may produce low-quality or irrelevant hashtags"],"whenToPreferThis":"Choose this endpoint when you need quick, AI-generated hashtag suggestions for social media posts, blog content, or marketing copy at very low cost ($0.001/call) with no signup required. It's ideal for agents automating content pipelines or social media scheduling where hashtag enrichment is a lightweight step. Prefer it over manual hashtag research tools when volume is high and per-call cost sensitivity is low.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:07:42.857Z","isFirstParty":false}