{"uid":"cap_Z7fsU7Y8iIBHXZdddK4Yi","slug":"merkl-stable-campaign-rankings-evm-defi-math-3de3d6d3","name":"Merkl Stable Campaign Rankings (EVM/DeFi Math)","description":"Exact EVM address, calldata, Uniswap V2/V3 and impermanent-loss math. Pay per call in USDC on Base via x402.","url":"https://dominion-data.x402-evm-math.workers.dev/sample/merkl-stable?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"base","campaigns":[{"rank":1,"protocol":"Hyperdrive","net_apr_pct":37.1}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_LX_BRIQsg7FBmSfUO0lAy","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ranked Merkl stable-pool liquidity-mining campaigns on Base, including protocol name and net APR percentage.","exampleAgentPrompt":"What are the top-ranked Merkl stable liquidity campaigns on Base right now, including each protocol's net APR?","exampleUseCases":[{"title":"Best stablecoin yield on Base","prompt":"Which Merkl stable pool campaigns on Base are currently paying the highest net APR? Rank them for me so I can decide where to deploy my stablecoins."},{"title":"Comparing protocol incentives for portfolio","prompt":"I'm building a DeFi yield dashboard — pull the ranked Merkl stable campaigns on Base with their net APR percentages so I can show users the best options."},{"title":"Validating Hyperdrive APR claim","prompt":"Someone told me Hyperdrive is paying over 37% net APR on Merkl stable pools on Base — can you pull the latest campaign rankings and confirm that?"}],"resultDescription":"A JSON object containing the chain (e.g. 'base') and an array of campaigns, each with a rank, protocol name, and net APR percentage — e.g. {chain:'base', campaigns:[{rank:1, protocol:'Hyperdrive', net_apr_pct:37.1}]}.","failureModes":["No active campaigns available: empty campaigns array returned","Payment failure: 402 response if x402 USDC payment on Base is not included or insufficient","Invalid properties filter: may return 400 or empty result","Upstream Merkl data unavailable: service may return 5xx or stale data","Rate limiting if payment not processed correctly"],"whenToPreferThis":"Choose this endpoint when you need ranked, real-time Merkl stable campaign APR data on Base and want a pay-per-call model without API key subscriptions. Prefer this over manual Merkl UI scraping or on-chain reads when you need pre-computed net APR figures ready for agent consumption.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:35:22.851Z","isFirstParty":false,"canonicalSlug":"merkl-stable-campaign-rankings-evm-defi-math-3de3d6d3"}