{"uid":"cap_QqMuw5-BIXifrA1hx1ZmA","slug":"one-engine-text-hashtag-extractor-2f69fae4","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/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_nHrPUJEahX-T97p_-bJlu","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 relevant hashtags from a given block of text using a pay-per-call API on Base via x402.","exampleAgentPrompt":"Can you extract hashtags from this article text for me? Here's the content: 'Artificial intelligence is transforming how businesses operate, from automating workflows to generating insights from data at scale.'","exampleUseCases":[{"title":"Social media post tagging","prompt":"I've written this Instagram caption and want the best hashtags for it: 'Just launched our new sustainable sneaker line made from 100% recycled ocean plastic — comfort meets conscience.' Can you pull out relevant hashtags for me?"},{"title":"Blog content SEO tagging","prompt":"Here's my latest blog post about remote work productivity tools — can you extract a list of hashtags I should attach when I share it on LinkedIn and Twitter?"},{"title":"Marketing copy hashtag generation","prompt":"I have this product description for our new cold brew coffee: 'Slow-steeped for 24 hours with single-origin Ethiopian beans, delivering a smooth, bold flavor with zero bitterness.' What hashtags should I be using with this?"}],"resultDescription":"Returns an object containing extracted or suggested hashtags derived from the input text, likely as an array of hashtag strings or a structured tag list relevant to the content's topics and themes.","failureModes":["Text exceeds 50,000 character limit — request rejected or truncated","Empty text input — may return empty hashtag list or error","Payment failure via x402 on Base — 402 response if USDC payment not completed","Ambiguous or very short text — may return generic or low-quality hashtags","Network timeout on Cloudflare Workers edge — transient 5xx error"],"whenToPreferThis":"Choose this endpoint when you need fast, low-cost hashtag extraction from arbitrary text in an autonomous agent pipeline — especially when operating on Base with x402 micropayments. Ideal for content workflows that generate social posts, articles, or marketing copy and need programmatic tagging without a heavy NLP service subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:45.836Z","isFirstParty":false,"canonicalSlug":"one-engine-text-hashtag-extractor-247977a9"}