{"openapi":"3.1.0","info":{"title":"mev-signal-api","version":"1.0.0","description":"Read-only MEV/arb/liquidation/funding signal feeds, paywalled via x402 on Base.","contact":{"name":"x402 facilitator","url":"https://www.x402.org/"}},"servers":[{"url":"http://mev-signal-api.srv1195681.hstgr.cloud"}],"paths":{"/signals/arb":{"get":{"summary":"Cross-DEX arb opportunities on Base","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.1}},"/signals/oracle-divergence":{"get":{"summary":"Stale push-oracle windows","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.1}},"/signals/funding-carry":{"get":{"summary":"Perp funding-rate carry trades","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.25}},"/signals/liquidations":{"get":{"summary":"Aave/Compound accounts near liquidation","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.25}},"/signals/sandwich-risk":{"get":{"summary":"Swaps at high sandwich-attack risk","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.15}},"/signals/failed-tx":{"get":{"summary":"Failed-tx causes and counts","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.05}},"/signals/cross-pool-spread":{"get":{"summary":"Same-asset spreads across pools","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.1}},"/signals/cross-chain-arb":{"get":{"summary":"Cross-chain arb net of bridge fees","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.3}},"/signals/intents":{"get":{"summary":"Open intent-based orders awaiting solver","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":0.2}},"/signals/firehose":{"get":{"summary":"All signal feeds combined","responses":{"200":{"description":"Success - returns resource payload"},"402":{"description":"Payment Required - x402 quote in body"}},"x-x402-priceUSD":1}}},"x-x402":{"payToken":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0xA69249cBa146A6A998250070e71abA2879ED8A7b","facilitator":"0x402085c248EeA27D92E8b30b2C58ed07f9E20001"}}