{"uid":"cap_4aZHJe53zyG07F7V8TH2-","slug":"basebuilder-defi-token-pairs-73e88af6","name":"BaseBuilder DeFi Token Pairs","description":"BaseBuilder Defi API hub - 22 paid endpoints","url":"https://bb-defi.vercel.app/api/dex/token-pairs","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.094862","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":"$0.094862/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.094862","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.094862","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cHMzS5EB7BA7Yzgtrl-OI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.094862","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves DEX token pair data for decentralized exchange analysis on Base chain","exampleAgentPrompt":"Find all DEX token pairs for USDC on Base chain — I want to see which liquidity pools it's in and the paired tokens.","exampleUseCases":null,"resultDescription":"Returns a list of token pairs from DEX liquidity pools, including paired token addresses, pool identifiers, and metadata relevant to trading on Base chain.","failureModes":["Token address not found — returns empty results or 404","Invalid token symbol or address format — returns 400 bad request","DEX not supported — returns error or empty pair list","Payment not processed — returns 402 Payment Required","Rate limit exceeded — returns 429"],"whenToPreferThis":"Use this endpoint when you need to discover which DEX liquidity pools a specific token participates in on Base chain, or when building DeFi analytics that require token pair data from decentralized exchanges. Prefer this over on-chain RPC calls when you want a pre-aggregated, API-accessible result without querying the blockchain directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:47.914Z","isFirstParty":false}