{"uid":"cap_N9fJWz0fjfH85fwYy2aC-","slug":"pulsefeed-whale-alert-feed-for-base-erc-20-tokens-2416ca16","name":"PulseFeed Whale Alert Feed for Base ERC-20 Tokens","description":"Are whales moving this token right now? Large ERC-20 transfers on Base over a recent block window with from/to/amount/tx and a configurable size threshold — spot big moves before they hit the price. ?token=0x... &min=units","url":"https://pulsefeed.dev/whales","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XCfAnkU6g3xvrGRj7ZN4I","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns large ERC-20 token transfers (whale moves) on Base from the most recent block window, filtered by a minimum size threshold, including sender, receiver, amount, and transaction hash.","exampleAgentPrompt":"Show me any whale transfers for the token at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base in the last block window — flag anything over 50,000 units.","exampleUseCases":null,"resultDescription":"A list of large ERC-20 token transfers on Base from the most recent block window that exceed the specified minimum threshold, each entry containing the sender address (from), receiver address (to), transfer amount, and transaction hash.","failureModes":["Invalid or unrecognized token contract address returns empty results or an error","Minimum threshold too low may return too many results or be rejected","No whale-sized transfers in the latest block window returns an empty list","Network issues with Base RPC causing stale or unavailable data","Missing required token parameter results in a 400-style error"],"whenToPreferThis":"Use this endpoint when you need real-time on-chain intelligence about large token movements on Base specifically, and want to catch whale activity before it impacts price. Prefer this over general block explorers or slower indexers when you need the most recent block window and a size-filtered, structured response ready for agent consumption.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:40:13.443Z","isFirstParty":false}