{"uid":"cap_5LHxHmMipOdgWxnhnxfQU","slug":"synapse-trending-crypto-40e39199","name":"Synapse Trending Crypto","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/trending-crypto?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"trending":[{"name":"evmzone","symbol":"EVZ","coin_id":"evmzone","price_btc":1e-8}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_r6oT__mFbgNxPjmFD3qTo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a list of currently trending cryptocurrency tokens with price data","exampleAgentPrompt":"What cryptocurrencies are trending right now? Show me the hot tokens with their symbols and BTC prices.","exampleUseCases":[{"title":"Daily crypto trend briefing","prompt":"Give me a rundown of which crypto tokens are trending today — I want names, symbols, and their BTC prices."},{"title":"Spot emerging altcoins","prompt":"Which altcoins are getting the most attention right now? I'm looking for trending tokens I might have missed."},{"title":"Portfolio watchlist refresh","prompt":"Update my watchlist with whatever cryptos are currently trending — show me the coin names and symbols so I can decide what to look into."}],"resultDescription":"Returns a JSON array of trending cryptocurrency tokens, each with the token name, ticker symbol, an internal coin ID, and the current price denominated in BTC (e.g. [{\"name\":\"evmzone\",\"symbol\":\"EVZ\",\"coin_id\":\"evmzone\",\"price_btc\":1e-8}]).","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 Payment Required","Network or DNS instability on duckdns.org host causing timeouts or connection errors","Upstream crypto data source unavailable leading to empty or stale trending list","Malformed response if the underlying data provider returns unexpected schema"],"whenToPreferThis":"Choose this endpoint when you need a no-account, no-API-key, pay-per-call lookup of currently trending crypto tokens paid in USDC via x402 on Base. Prefer it for lightweight agentic workflows where you want real-time trending coin discovery without subscription overhead. If you need deep market metrics (price history, OHLCV, order books), a dedicated market data API like CoinGecko or CoinMarketCap would be more appropriate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:10.367Z","isFirstParty":false,"canonicalSlug":"synapse-trending-crypto-40e39199"}