{"uid":"cap_YGBM0Qgr_W9-IfP2owhQP","slug":"vextorium-mastodon-trending-tags-9ed54331","name":"Vextorium Mastodon Trending Tags","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/mastodon-trending-tags?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"instance":{"type":"string"}}},"responseSchema":{"type":"json","example":{"tags":[{"tag":"バーガータワー","url":"https://mastodon.social/tags/%E3%83%90%E3%83%BC%E3%82%AC%E3%83%BC%E3%82%BF%E3%83%AF%E3%83%BC","uses_7d":317,"uses_today":39,"accounts_today":23},{"tag":"PrankANeighborBooks","url":"https://mastodon.social/tags/prankaneighborbooks","uses_7d":225,"uses_today":225,"accounts_today":51}],"count":20,"source":"Mastodon public API (mastodon.social)","instance":"mastodon.social"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Vj8DnGX90Z3ipu8h_fSsE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns hashtags currently trending on a specified Mastodon instance, with usage counts for today and the past 7 days, plus the number of accounts using them today.","exampleAgentPrompt":"What are the top 20 trending hashtags on mastodon.social right now, including how many times each has been used today and over the past week?","exampleUseCases":[{"title":"Daily fediverse trending briefing","prompt":"Give me the top 10 trending hashtags on mastodon.social today, with how many accounts are using each one and their 7-day totals."},{"title":"Monitor niche instance trends","prompt":"What are the trending tags on fosstodon.org right now? Show me up to 15 and include the usage counts for today and the last 7 days."},{"title":"Fediverse trend comparison research","prompt":"Fetch the top 20 trending hashtags on mastodon.online so I can see what topics are gaining momentum there today versus over the past week."}],"resultDescription":"A JSON array of trending hashtags, each with the tag name, a direct URL to the tag page on the instance, the number of uses in the last 7 days, the number of uses today, and the number of unique accounts that used it today — plus a total count and the source instance name.","failureModes":["Invalid or unreachable Mastodon instance returns an error or empty result","Instance does not expose public trending-tags API (some instances disable it)","Limit parameter out of range may be clamped or cause an error","Network timeout if the Mastodon instance is slow to respond"],"whenToPreferThis":"Choose this endpoint when you need real-time trending hashtag data from a specific Mastodon/fediverse instance, including both daily and 7-day usage statistics and account counts. Prefer it over generic social media trend APIs when the user specifically wants fediverse or Mastodon data rather than Twitter/X trends.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T06:51:48.484Z","isFirstParty":false,"canonicalSlug":"vextorium-mastodon-trending-tags-9ed54331"}