{"uid":"cap_YiT2ozRsYs6HNzfXK3nHy","slug":"data-crestsystems-ai-21605fe4","name":"Crest DEX Pair Lookup","description":"Crest · dex_pair — Fetch DEX pair data for any token pair on any chain. Returns price, liquidity, 24h volume, and price change via GeckoTerminal..","url":"https://data.crestsystems.ai/data/dex-pair/:chain/:pair","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"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["chain","pair"],"properties":{"pair":{"type":"string","description":"Token symbol or pair name"},"chain":{"type":"string","description":"Chain: base, ethereum, arbitrum, polygon, solana"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"pair":"WETH/USDC","chain":"base"}}},"response":{"paid":true,"chain":"base","pools":[{"name":"WETH / USDC 0.3%","address":"0x6c561b446416e1a00e8e93e221854d6ea4171372","liquidity":"96955460.8655","price_usd":"1657.58","volume_24h":"102546669.9692","price_change_24h":"-1.495"},{"name":"WETH / USDC 0.05%","address":"0xb2cc224c1c9fee385f8ad6a55b4d94e92359dc59","liquidity":"10049221.9588","price_usd":"1658.87","volume_24h":"147488192.531402","price_change_24h":"-1.418"},{"name":"USDC / WETH 0.05%","address":"0xd0b53d9277642d899df5c87a3966a349a798f224","liquidity":"9189593.8659","price_usd":"1.00023811094432","volume_24h":"24643332.7836297","price_change_24h":"-0.04"},{"name":"WETH / USDC 0.01%","address":"0x72ab388e2e2f6facef59e3c3fa2c4e29011c2d38","liquidity":"3934321.7408","price_usd":"1658.87","volume_24h":"53371382.5660267","price_change_24h":"-1.418"},{"name":"WETH / USDC 0.05%","address":"0x3fe04a59ebd38cf06080a6f60a98d124eb59392a","liquidity":"2626248.1149","price_usd":"1657.06","volume_24h":"25839114.6694988","price_change_24h":"-1.525"}],"price":"$0.002","query":"weth/usdc"}},"exampleRequest":{"pair":"WETH/USDC","chain":"base"},"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":"down","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_mZwD05epcBPVO3PJ11cYS","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":"Returns real-time price, liquidity, and 24-hour volume data for a specific DEX token pair on a given blockchain via GeckoTerminal.","exampleAgentPrompt":"What's the current price, liquidity, and 24-hour volume for the WETH/USDC pair on Base?","exampleUseCases":[{"title":"Monitor emerging token liquidity","prompt":"Check the current price and total liquidity for the new SAFE/USDC pair on Arbitrum so I can decide if it's worth trading."},{"title":"Track daily DEX trading momentum","prompt":"What's the 24-hour trading volume for the DOGE/USDT pair on Polygon right now? I want to see if it's picking up activity."},{"title":"Compare cross-chain token prices","prompt":"Get me the current price of ETH/USDC on both Ethereum and Optimism so I can spot any arbitrage opportunities between the two chains."}],"resultDescription":"Returns real-time DEX market data for the specified token pair on the given chain, including current price, total liquidity, and 24-hour trading volume, sourced from GeckoTerminal.","failureModes":["Unknown chain identifier — returns error if chain is not one of: base, ethereum, arbitrum, polygon, solana","Pair not found — if the token symbol or pair address does not exist on the specified chain","Rate limiting or payment failure — x402 payment not processed correctly","Stale or missing data — GeckoTerminal may not have data for very new or illiquid pairs"],"whenToPreferThis":"Use this endpoint when you need real-time DEX-specific market data (price, liquidity, volume) for a specific token pair on a particular EVM or Solana chain, especially when GeckoTerminal coverage is desired. Prefer over general price endpoints when pair-level granularity and on-chain DEX data are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:28:01.317Z","isFirstParty":false}