{"uid":"cap_oVuv9sq22Yv1sIF5Iy8Wg","slug":"whale-momentum-signal-api-96d63d1a","name":"Whale Momentum Signal API","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.","url":"https://mcp-gateway.agentdiet.dev/v1/whale-momentum?utm_source=zero.xyz","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","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"symbol":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Bo1gJRhhN9U8-HAaq4myU","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns whale momentum data for a given cryptocurrency symbol, indicating large-holder trading activity and directional pressure.","exampleAgentPrompt":"What's the current whale momentum signal for BTC? I want to know if large holders are accumulating or distributing right now.","exampleUseCases":[{"title":"Pre-trade whale pressure check","prompt":"Before I make a big ETH trade, can you pull the whale momentum signal for ETH and tell me if large holders are buying or selling?"},{"title":"Altcoin accumulation alert","prompt":"Check the whale momentum for SOL and let me know if there's significant large-holder accumulation happening right now."},{"title":"Crypto portfolio monitoring","prompt":"Pull the whale momentum data for BTC and DOGE so I can see if whales are exiting any of my positions today."}],"resultDescription":"A JSON response with a 'data' object containing whale momentum metrics for the requested symbol, a 'status' field indicating success, and a 'roi_proof' object including a compression_ratio_pct value (e.g. 91.4%) that serves as a proof-of-intelligence compression signal.","failureModes":["Invalid or unsupported symbol returns empty or error data","Missing required 'input' object causes schema validation failure","Payment not settled in USDC on Base results in 402 Payment Required","Upstream data source unavailable leads to degraded or empty 'data' object","Malformed query parameters may cause 400 Bad Request"],"whenToPreferThis":"Use this endpoint when you need a quick, low-cost ($0.01 USDC) on-chain whale momentum signal for a specific crypto symbol and want a machine-verifiable ROI proof alongside the result. Prefer it over general market data APIs when specifically tracking large-holder behavior and directional accumulation/distribution pressure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:44:49.772Z","isFirstParty":false,"canonicalSlug":"whale-momentum-signal-api-96d63d1a"}