{"uid":"cap_JH37ATjF49PuefX0SCNSB","slug":"synthora-defi-market-data-feed-e73095c5","name":"SYNTHORA DeFi Market Data Feed","description":"DeFi market-data feed: perp open interest, funding rate, mark price and a directional signal across top assets (BTC/ETH/SOL/…), plus optional per-asset verdict. Deterministic, Ed25519-signed. $0.002 USDC via x402 on Base. SYNTHORA.","url":"https://defidata.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"slug":{"type":"string","description":"Use defi-data for the top-assets feed"},"asset":{"type":"string","description":"Ticker for single-asset detail, e.g. BTC"},"limit":{"type":"integer","description":"Feed size (default all top assets)"}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"defi_data","result":{"feed":[{"asset":"BTC","signal":"neutral","mark_price":97500,"funding_rate":0.000012,"open_interest_usd":2209942387.46}],"slug":"defi-data","as_of":1783322000,"count":3,"signed":"ed25519"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oBjPXRCnu-UyAEfuUjw8-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns perpetual open interest, funding rate, mark price, and a directional signal for top DeFi assets (BTC/ETH/SOL/etc.), with optional per-asset detail verdicts, cryptographically signed via Ed25519.","exampleAgentPrompt":"Pull the latest perp market data feed from SYNTHORA — give me open interest, funding rate, mark price, and directional signal for all top assets, and include the per-asset verdict for BTC.","exampleUseCases":null,"resultDescription":"A deterministic, Ed25519-signed JSON payload containing perpetual open interest, funding rate, mark price, and a directional signal for each top asset (BTC, ETH, SOL, etc.), with an optional per-asset verdict when a specific ticker is requested.","failureModes":["Invalid slug value (not 'defi-data') returns an error or empty response","Unknown asset ticker returns no per-asset detail","Payment failure via x402 protocol (insufficient USDC balance) blocks the request","Limit parameter set to 0 or negative may return empty feed","Service temporarily unavailable returns HTTP 5xx"],"whenToPreferThis":"Choose this endpoint when you need a low-cost, cryptographically verifiable snapshot of perpetual futures market data (open interest, funding rate, mark price, directional signal) across top crypto assets; especially useful when auditability of the data source matters due to Ed25519 signing, and when integrating DeFi trading signals into automated workflows on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:39:10.853Z","isFirstParty":false}