{"uid":"cap_x_fxMTg9tsaUbKN-x_A8s","slug":"silverback-x402-onrender-com-df935d9b","name":"Silverback Top Coins","description":"","url":"https://silverback-x402.onrender.com/api/v1/top-coins","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Xa9rhA6RgFDc1ZXdlSuhv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked list of top cryptocurrency coins by market metrics on Base chain","exampleAgentPrompt":"Can you pull up the top 10 coins on Base chain right now, sorted by market cap?","exampleUseCases":null,"resultDescription":"A ranked list of top cryptocurrency coins with market data including price, market cap, volume, and token metadata for the leading assets on Base chain.","failureModes":["Payment not received — 402 response requiring x402 USDC payment","Invalid filter parameters — 400 bad request","Service temporarily unavailable on Render — 503","Empty result set if no coins match filter criteria","Rate limit exceeded — 429 too many requests"],"whenToPreferThis":"Use this endpoint when you need a quick ranked overview of top-performing coins on Base chain, especially for DeFi dashboards, trading research, or discovering trending tokens without needing deep security or liquidity analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:41:59.605Z","isFirstParty":false}