{"uid":"cap_Gmde1De5wxZWMUfLNFgIo","slug":"windtrapdata-dev-crypto-market-data-feed-071fc361","name":"windtrapdata.dev Crypto Market Data Feed","description":"Base blockchain RPC gas price, block number, USDC supply, and DeFiLlama chain TVL crypto market data feed ($0.005 USDC) — Factual on-chain and DeFi TVL telemetry.","url":"https://windtrapdata.dev/v1/signals/market-feed?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"format":{"enum":["json","markdown"],"type":"string"},"assetPair":{"type":"string","description":"Crypto asset symbol, chain name, or pair (e.g. 'ETH-USDC', 'BASE') for Base blockchain RPC gas price, block height, USDC supply, and DeFiLlama chain TVL market data."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/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_KQ_x3VbDG-7KGji_z3NfS","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns Base blockchain RPC gas price, current block number, USDC circulating supply, and DeFiLlama chain TVL for a given crypto asset or chain.","exampleAgentPrompt":"What's the current gas price, block number, USDC supply, and DeFiLlama TVL for the BASE chain right now? Give me the results as JSON.","exampleUseCases":[{"title":"DeFi dashboard gas price check","prompt":"Can you pull the latest gas price and block number on Base for me, along with the current chain TVL from DeFiLlama? I need it as JSON so I can feed it into my dashboard."},{"title":"USDC supply monitoring for treasury","prompt":"What's the current USDC circulating supply and the DeFiLlama TVL for Base chain right now? I'm tracking macro DeFi health for our treasury report."},{"title":"Pre-trade on-chain conditions check","prompt":"Before I execute a swap on Base, can you check the current gas price and block height for the ETH-USDC pair and return the data in markdown format?"}],"resultDescription":"Returns a structured response (JSON or Markdown) containing: current Base blockchain gas price, latest block number, USDC circulating supply, and DeFiLlama chain TVL for the requested asset or chain.","failureModes":["Invalid or unrecognized assetPair/chain symbol returns an error or empty result","RPC or DeFiLlama upstream outage may cause stale or missing data","Unsupported format enum value returns a validation error","Payment of 0.005 USDC not fulfilled results in 402 rejection"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, low-cost ($0.005 USDC) snapshot of key Base chain on-chain metrics — gas price, block number, USDC supply, and DeFiLlama TVL — in a single call, especially for agent workflows that need crypto market telemetry without building separate RPC and DeFiLlama integrations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:34:56.937Z","isFirstParty":false,"canonicalSlug":"windtrapdata-dev-crypto-market-data-feed-071fc361"}