{"uid":"cap_H779zP5JX0LxJm7dlAl4X","slug":"silverback-x402-onrender-com-699d1aa9","name":"Silverback Arbitrage Scanner","description":"Find price discrepancies between DEX aggregators","url":"https://silverback-x402.onrender.com/api/v1/arbitrage-scanner","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","required":["tokenIn","tokenOut"],"properties":{"amount":{"type":"string","description":"Amount to check (default: 1)"},"tokenIn":{"type":"string","description":"Input token symbol or address"},"tokenOut":{"type":"string","description":"Output token symbol or address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["success"],"properties":{"data":{"type":"object"},"success":{"type":"boolean"}}}}}}},"responseSchema":{"type":"object","required":["data","success"],"properties":{"data":{"type":"object","required":["pair","amount","quotes","timestamp","opportunities","sourcesQueried","estimatedGasCostUsd"],"properties":{"pair":{"type":"string"},"amount":{"type":"string"},"quotes":{"type":"array","items":{"type":"unknown"}},"timestamp":{"type":"string"},"opportunities":{"type":"array","items":{"type":"object","required":["message"],"properties":{"message":{"type":"string"}}}},"sourcesQueried":{"type":"number"},"estimatedGasCostUsd":{"type":"string"}}},"success":{"type":"boolean"}}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"amount":"1","tokenIn":"ETH","tokenOut":"USDC"}},"output":{"type":"object","example":{"data":{},"success":true}}},"response":{"data":{"pair":"ETH/USDC","amount":"1 ETH","quotes":[],"timestamp":"2026-06-12T02:08:30.753Z","opportunities":[{"message":"No significant arbitrage opportunities found"}],"sourcesQueried":0,"estimatedGasCostUsd":"unknown"},"success":true}},"exampleRequest":{"amount":"1","tokenIn":"ETH","tokenOut":"USDC"},"tags":["x402"],"displayCostAmount":"0.030000","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.030000/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_b7COdhI-AibHVoNPab9ER","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Finds price discrepancies for a token pair across DEX aggregators on Base chain","exampleAgentPrompt":"Check if there are any price discrepancies between DEX aggregators for swapping ETH to USDC — use an amount of 1.","exampleUseCases":null,"resultDescription":"Returns a structured response indicating whether arbitrage opportunities exist between DEX aggregators for the given token pair, including price quotes from different aggregators, the spread or discrepancy amount, and success/failure status.","failureModes":["Missing required tokenIn or tokenOut query parameters returns validation error","Unsupported or unrecognized token symbol/address returns error","No liquidity found for the token pair results in empty or null data","Payment of $0.03 USDC not provided returns 402 Payment Required","Service temporarily unavailable on render.com free tier (cold start delays)"],"whenToPreferThis":"Use this endpoint when you need to identify price inefficiencies between DEX aggregators for a specific token pair on Base chain, especially before executing a swap to determine if arbitrage is viable. Prefer this over general price feeds when you specifically need cross-aggregator spread analysis rather than a single best price.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:25:02.436Z","isFirstParty":false}