{"uid":"cap_ojiiJu4aGf2FKDJvCqiNt","slug":"financial-data-x402-defi-dex-volume-2186622a","name":"Financial Data x402 – DeFi DEX Volume","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402financialdata.com/defi-dex-volume","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"as_of":"2026-08-09T12:00:00Z","count":1,"protocols":[{"name":"Curve DEX","chains":["Ethereum","Arbitrum","Base","Polygon"],"change_7d_pct":-33.79,"volume_7d_usd":641168524,"change_24h_pct":-73.67,"volume_24h_usd":26471496}],"chain_filter":null,"total_7d_volume_usd":45126041318.53,"total_24h_volume_usd":4392931933.45}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_damKyVEIcqN58t_szQ4m4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns 24-hour and 7-day trading volume data for decentralized exchange (DEX) protocols across multiple chains, paid via x402/USDC microtransaction.","exampleAgentPrompt":"What's the current 24-hour and 7-day DEX trading volume across major DeFi protocols like Curve — and which chains are they active on?","exampleUseCases":[{"title":"DeFi market liquidity snapshot","prompt":"Give me a snapshot of total DEX trading volume across all major DeFi protocols right now — show me 24h and 7d figures and highlight any big percentage swings."},{"title":"Curve DEX volume monitoring","prompt":"How much volume did Curve DEX do in the last 24 hours and over the past 7 days, and which chains is it running on?"},{"title":"Cross-chain DEX comparison","prompt":"I want to compare DEX protocol volumes across Ethereum, Base, Arbitrum, and Polygon — which protocols are dominating and how has volume changed this week?"}],"resultDescription":"Returns a JSON object with an as-of timestamp, a count of protocols returned, per-protocol data (name, supported chains, 24h USD volume, 7d USD volume, 24h % change, 7d % change), an optional chain filter applied, and aggregate totals for 24h and 7d USD volume across all protocols.","failureModes":["Payment not settled via x402 — 402 Payment Required response returned","Invalid or unsupported chain filter parameter — may return empty protocol list or error","Stale data if upstream on-chain indexers lag — check as_of timestamp","No protocols matching filter criteria — returns count:0 with empty protocols array","Network timeout if Base/Solana payment rails experience delays"],"whenToPreferThis":"Choose this endpoint when you need real-time or near-real-time DeFi DEX volume data across multiple protocols and chains without committing to an API key subscription — ideal for pay-per-use agent workflows, one-off data pulls, or micropayment-native applications using the x402 protocol. Prefer over subscription-based DeFi data APIs when call frequency is low or cost-per-call economics are favorable at $0.01 USDC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:42:17.256Z","isFirstParty":false}