{"uid":"cap_5DQz0kNS4RD324srfwV58","slug":"one-engine-hashtag-extractor-d2ceafdb","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/t7?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":"0.0065","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":"$0.0065/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0065","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0065","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DA_CpgPyY-cVaEPwbwzhK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0065","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts all hashtags from a given block of text up to 50,000 characters","exampleAgentPrompt":"Can you pull out all the hashtags from this Instagram caption: 'Loving the sunset tonight 🌅 #GoldenHour #Travel #Photography #NatureLovers #Wanderlust'?","exampleUseCases":[{"title":"Social media content audit","prompt":"Here's a dump of 200 tweet texts from our brand account — can you extract every hashtag that appears across all of them so I can see which tags we've been using?"},{"title":"Hashtag compliance check for campaign","prompt":"We have a sponsored post draft that's supposed to include our required campaign hashtags — can you extract all the hashtags from this text so I can verify they're all there: 'Just tried the new smoothie bowl at @GreenBowlCo and it's amazing! #GreenBowlPartner #HealthyEats #SummerVibes #Ad'?"},{"title":"User-generated content tagging pipeline","prompt":"I'm processing user comments from our community forum to build a hashtag index — can you extract all hashtags from this comment: 'This workout destroyed me in the best way 💪 #LegDay #GymLife #FitnessCommunity #NoPainNoGain'?"}],"resultDescription":"Returns a structured object containing the list of hashtags found in the input text, likely as an array of strings with the leading '#' symbol or the tag words themselves.","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, no extraction performed","Malformed JSON body — 400 error"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, low-cost, pay-per-call solution to extract hashtags from text without spinning up your own NLP pipeline. Ideal for agents processing social media content, moderating user-generated text, or building hashtag indexes at scale where cost-per-call matters. Prefer this over general NLP APIs when you specifically need hashtag extraction and want to pay micro-amounts per call via x402 on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:43:40.329Z","isFirstParty":false,"canonicalSlug":"one-engine-hashtag-extractor-646064a9"}