{"uid":"cap_8GsuyB5HMvsiDP_1guMEt","slug":"one-engine-text-hashtag-extractor-top-10-0f6607bb","name":"ONE Engine Text Hashtag Extractor (Top 10)","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/t10?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":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QYxEUgQ568bSKw92blOaL","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts the top 10 most relevant hashtags from a given block of text up to 50,000 characters.","exampleAgentPrompt":"Look at this blog post draft and tell me the top 10 hashtags I should use when sharing it on social media: [paste text here].","exampleUseCases":[{"title":"Social media post optimization","prompt":"I just wrote this product launch announcement — can you pull out the top 10 hashtags I should tag it with when I post it on Twitter and LinkedIn?"},{"title":"Blog article hashtag tagging","prompt":"Here's a 3,000-word article about sustainable fashion. What are the 10 best hashtags to use when promoting it on Instagram?"},{"title":"Automated content pipeline tagging","prompt":"For every piece of content my agent publishes, I want it to automatically extract the top 10 hashtags from the text so they get added to the social post without me having to think about it."}],"resultDescription":"Returns a JSON object containing the top 10 hashtags extracted and ranked by relevance from the provided text, suitable for use in social media posts or content tagging.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Empty or very short text — may return fewer than 10 hashtags or low-quality results","Payment failure via x402 — 402 response if USDC funds are insufficient","Non-English or mixed-language text — hashtag quality may degrade","Highly technical or niche text — hashtags may be generic rather than domain-specific"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.03 USDC) automated extraction of exactly the top 10 hashtags from a text body, especially in autonomous agent pipelines where pay-per-call x402 billing on Base is already configured. Prefer this over manual hashtag research or LLM prompting when you want a deterministic ranked list without custom prompt engineering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:12.919Z","isFirstParty":false,"canonicalSlug":"one-engine-text-hashtag-extractor-top-10-0f6607bb"}