{"uid":"cap_m7OsJbp0O--ftM_MSFWUt","slug":"claw402-coinmarketcap-cryptocurrency-listings-via-x402-dee46880","name":"claw402 CoinMarketCap Cryptocurrency Listings via x402","description":"Backed by vergex.trade. Pay for any API with USDC. No API keys. No registration. Just a wallet.","url":"https://claw402.ai/api/v1/crypto/cmc/listings","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"aux":{"type":"string"},"tag":{"type":"string"},"sort":{"type":"string"},"limit":{"type":"string"},"start":{"type":"string"},"convert":{"type":"string"},"sort_dir":{"type":"string"},"price_max":{"type":"string"},"price_min":{"type":"string"},"convert_id":{"type":"string"},"market_cap_max":{"type":"string"},"market_cap_min":{"type":"string"},"volume_24h_max":{"type":"string"},"volume_24h_min":{"type":"string"},"cryptocurrency_type":{"type":"string"},"circulating_supply_max":{"type":"string"},"circulating_supply_min":{"type":"string"},"percent_change_24h_max":{"type":"string"},"percent_change_24h_min":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"code":0,"data":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.015","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EpOywcjRHPvrl-mUiZlAC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches paginated cryptocurrency market listings from CoinMarketCap, including price, market cap, volume, and ranking data, paid per-call with USDC via x402 protocol","exampleAgentPrompt":"Show me the top 20 cryptocurrencies by market cap, converted to USD, including only coins (not tokens), sorted descending — I want price, volume, and 24h percent change.","exampleUseCases":null,"resultDescription":"A JSON object with a status code and a data array containing cryptocurrency listings matching the query filters, each entry including name, symbol, rank, price, market cap, 24h volume, circulating supply, and percent changes in the requested conversion currency.","failureModes":["Payment not received or insufficient USDC — returns 402 Payment Required","Invalid query parameter values (e.g. non-numeric price range) — returns 400 Bad Request","CoinMarketCap upstream outage — may return 502 or empty data array","Exceeding rate limits or unsupported parameter combinations — returns error code in JSON body","No results matching filter criteria — returns empty data array with code 0"],"whenToPreferThis":"Use this endpoint when you need real-time cryptocurrency market listings with rich filtering (price, market cap, volume, supply, percent change ranges) and want to pay per-call with USDC without managing API keys or subscriptions. Prefer over direct CMC API when you have a crypto wallet and want frictionless, keyless access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:02.618Z","isFirstParty":false}