{"uid":"cap_7p_GxUKATxxKvNTS0cSHW","slug":"crypto-prices-cross-conversion-chainlink-491eeba1","name":"Crypto Prices Cross-Conversion (Chainlink)","description":"","url":"https://x402.professorsausages.com/prices/convert","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vy44GCAp0wslwt8x7k3U1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts between two registry crypto assets using Chainlink USD oracle feeds, returning both conversion legs","exampleAgentPrompt":"What's the current exchange rate from ETH to LINK using Chainlink oracle prices — show me both the USD price for each asset and the final converted rate?","exampleUseCases":[{"title":"BTC to ETH portfolio rebalancing","prompt":"I'm thinking about rebalancing my portfolio — can you tell me how much ETH I'd get for 1 BTC right now using Chainlink oracle prices, and show me the USD value for both assets separately?"},{"title":"Stablecoin to altcoin rate check","prompt":"What's the current Chainlink oracle rate from USDC to MATIC? I want to see the USD price for each token and how many MATIC one USDC converts to."},{"title":"Cross-asset DeFi collateral valuation","prompt":"I need to know the oracle-backed cross-rate between WBTC and AVAX for a collateral calculation — can you pull both USD legs from Chainlink and give me the derived exchange rate between them?"}],"resultDescription":"Returns both legs of the conversion: the USD price of the input asset and the USD price of the output asset via Chainlink oracle feeds, plus the derived cross-rate (how many output tokens one input token equals).","failureModes":["Asset not in registry — one or both tokens lack a Chainlink USD feed, returning an error or null","Stale oracle data — Chainlink feed may have delayed updates during low-activity periods","Invalid input schema — missing required input or output asset fields returns a 400-class error","Network or upstream oracle unavailability causing a 5xx response","Payment failure — x402 payment not processed, resulting in 402 response"],"whenToPreferThis":"Use this endpoint when you need a decentralized, oracle-backed cross-rate between two crypto assets and want both USD legs reported separately. Prefer this over DEX swap quotes when you want indicative oracle prices rather than liquidity-dependent AMM quotes, and when Chainlink feed coverage is sufficient for your asset pair.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:32:37.367Z","isFirstParty":false}