{"uid":"cap_wkgcvJAKk40TFassrGrQu","slug":"one-engine-text-hashtag-extractor-247977a9","name":"ONE Engine Text 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-token/hashtags/t8?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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vQxso6pcSjL-sg7hRIDbh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts relevant hashtags from a given text input, useful for tagging and categorizing content.","exampleAgentPrompt":"Can you extract relevant hashtags from this caption I wrote: 'Just finished a 10km trail run at sunrise — feeling amazing and grateful for the outdoors!'?","exampleUseCases":[{"title":"Social media post tagging","prompt":"Here's my Instagram caption: 'Made homemade sourdough bread today, crispy crust and chewy inside — absolutely worth the 24-hour ferment!' Can you pull out the best hashtags to use with this post?"},{"title":"Blog article keyword tagging","prompt":"I've written this article about electric vehicle adoption in Europe — can you extract hashtags from the full text so I can tag it properly on our publishing platform?"},{"title":"Automated content pipeline tagging","prompt":"I'm processing user-submitted product reviews. For this review — 'The noise-cancelling headphones have incredible battery life but the ear cushions feel cheap after a month' — what hashtags would you extract to categorize it?"}],"resultDescription":"Returns an object containing extracted hashtags derived from the input text, suitable for use in social media posts, content tagging systems, or categorization pipelines. The exact response structure may vary but typically includes an array or list of hashtag strings.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Empty or whitespace-only text input returns no hashtags","Ambiguous or very short text may yield low-quality or generic hashtags","Payment failure via x402 protocol results in 402 response and no data returned","Network timeout on the Cloudflare Workers edge may return a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need lightweight, low-cost hashtag extraction from text at $0.01 USDC per call via x402 on Base, especially within autonomous agent workflows that require pay-per-call metering. Prefer this over heavier NLP APIs when you need fast, affordable tagging without setting up complex ML pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:34.759Z","isFirstParty":false,"canonicalSlug":"one-engine-text-hashtag-extractor-247977a9"}