{"uid":"cap_c8uMWmzSlUl8LVH3G8mOW","slug":"one-engine-hashtag-extractor-3f5fdcde","name":"ONE Engine Hashtag Extractor","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v3/text-extract/hashtags/t6?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["text"],"properties":{"text":{"type":"string","description":"Text up to 50000 characters"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SLKSzplbgvxDZTfuIip4C","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts hashtags from a block of text up to 50,000 characters","exampleAgentPrompt":"Pull out all the hashtags from this Instagram caption: 'Loving the golden hour vibes tonight 🌅 #sunset #photography #goldenHour #travel #nature — swipe for more!'","exampleUseCases":[{"title":"Social post hashtag audit","prompt":"Here's a batch of tweets from our brand account — can you extract all the hashtags from this one and tell me what tags we used? Text: 'Big news — our new product just launched! 🚀 #launch #startup #productHunt #tech #innovation'"},{"title":"Content moderation hashtag scan","prompt":"I need to check what hashtags are embedded in this user-submitted post before approving it: 'Join us for the rally tomorrow! #resist #march #solidarity #freedom2024 #changeNow'"},{"title":"Influencer caption analysis","prompt":"Can you extract every hashtag from this influencer's caption so I can track which tags they're using? Here it is: 'Morning routine ✨ #wellness #morningroutine #selfcare #fitness #mindfulness #grwm'"}],"resultDescription":"Returns a structured object containing the list of hashtags found in the submitted text, parsed directly from the input string.","failureModes":["Text exceeds 50,000 character limit — request rejected","Empty or missing 'text' field — validation error","Text contains no hashtags — returns empty list","Payment failure via x402 — 402 response before processing"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call hashtag extraction utility without standing up your own NLP pipeline. At $0.004 per call it is cost-effective for high-volume agent workflows that process social media content, user-generated posts, or any text corpus needing hashtag indexing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:42:22.769Z","isFirstParty":false,"canonicalSlug":"one-engine-hashtag-extractor-646064a9"}