{"uid":"cap_GxTWOm2-N4RSEC_4pYOoX","slug":"trollbridge-whale-watch-ethereum-mempool-large-transaction-monitor-e8dc5857","name":"TrollBridge Whale Watch — Ethereum Mempool Large Transaction Monitor","description":"The insurance booth for AI agents, with Mini's Agent Supply Store on the side of the road. One hundred checkpoints: pre-transaction safety lanes (honeypot, approval-risk, rug-score, receipt-check, tx-dryrun, permit-scan, airdrop-verdict, deployer-history, wallet-watch, secret-scan at $0.02 USDC per call; the protection tier — /contract-check, /approval-screen, /tx-plain-english, /honeypot-check, /tx-simulate, /redteam, /skill-scan, /verdict, /egress-audit, /tool-gate, /airlock, /repo-scan, /prove, /task-scope — at $0.10; the one-call /shield don't-get-rugged screen at $0.25; the full /preflight bundle at $0.05), bounty intel (bounties, fresh, verdicts, deadlines, sweepstakes, opportunities) at $0.02 USDC per call, trader intel (/prices and /quant at $0.02; /enrich and /token-check at $0.05; /contract-check and /honeypot-check at $0.10; /sec-facts at $0.05), market intel (/markets and /search at $0.05; /grants at $0.02), DeFi intel (/yields and /new-pairs at $0.05; /gas and /defi at $0.02), AI intel (/models at $0.02), agent-ops intel (/prompt-cost, /model-picks, /rpc-speed, /terms-tldr, /scrape, /gigs, /retry-verify, /idempotency, /verify-independent at $0.02; /site-watch, /wallet-check, /code-run, /regulatory-pack, /sage, /cron-watch, /caveat-check, /tripwire, /escrow, /trust, /bridge-fees, /dao-votes, /dev-activity, /dex-arb, /dydx-perps, /funding-rates, /gas-predict, /hack-tracker, /long-short-ratio, /lp-yields, /mev-scan, /open-interest, /perp-basis, /polymarket-odds, /rwa-watch, /sentiment, /stablecoin-flows, /tokenomics, /top-movers, /whale-watch, and /yield-stable at $0.05; /approval-screen, /tx-plain-english, /tx-simulate, and /task-scope at $0.10; /scam-scan deep scan at $5.00 or 30-day subscription at $30.00), supply store (/road-pack combo meal at $0.05; curated datasets, the /audit-prep pre-audit review, and the /prove-state symbolic-execution run at $1.00; the /audit AI-agent audit at $25.00). Every lane answers before money moves — heuristic verdicts, not audits. Don't get rugged.","url":"https://mini-tollbooth.onrender.com/whale-watch?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"limit":{"type":"integer","maximum":200,"minimum":1,"description":"Max items to return. Omit for the full feed."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"lane":"/whale-watch","note":"Largest-value unconfirmed transactions by native ETH value. Values are native only — Blockchair does not USD-price mempool txs.","chain":"ethereum","count":2,"source":"blockchair mempool (keyless)","whales":[{"hash":"0x72ca5782bfd64ae7…","sender":"0xf5dcc621a3dc…","status":"unconfirmed","seen_at":"2026-10-07 00:30:40","recipient":"0xdac17f958d2e…","value_eth":0,"gas_price_gwei":0.166176893}],"description":"Whale movements ($0.05) — largest-value unconfirmed Ethereum mempool transactions, ranked by native ETH value"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_an3pVgQwNHYdKkvjcvadq","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the largest-value unconfirmed Ethereum transactions currently in the mempool, ranked by native ETH value","exampleAgentPrompt":"Can you pull the top 20 largest unconfirmed Ethereum transactions in the mempool right now so I can see what the whales are moving?","exampleUseCases":[{"title":"Real-time whale movement alerting","prompt":"Show me the 10 biggest pending ETH transactions in the Ethereum mempool right now — I want to see if any whales are making large moves before the next block confirms."},{"title":"Pre-trade market sentiment check","prompt":"Before I make a big ETH trade, can you check the Ethereum mempool for the largest unconfirmed transactions? I want to know if there's unusual whale activity that might move the market."},{"title":"DeFi protocol inflow monitoring","prompt":"Fetch up to 50 of the largest unconfirmed Ethereum transactions in the mempool so I can check whether any big deposits are headed toward major DeFi protocols."}],"resultDescription":"Returns a JSON object with the chain name, count, data source attribution, and an array of whale transactions each containing: transaction hash, sender address, recipient address, unconfirmed status, timestamp first seen, native ETH value, and gas price in gwei. Note: USD pricing is not included since Blockchair does not price mempool transactions.","failureModes":["Chain parameter set to something other than 'ethereum' — only Ethereum mempool is supported","Limit out of range (must be 1-50) — may return error or default","Mempool temporarily empty or sparse — returns fewer results than requested","Blockchair upstream outage — endpoint may return error or stale data","Payment failure (insufficient USDC balance) — x402 payment required at $0.05 per call"],"whenToPreferThis":"Choose this endpoint when you need real-time visibility into the largest pending Ethereum transactions before they are confirmed — ideal for whale tracking, market sentiment analysis, or front-running detection. Unlike confirmed-block explorers, this gives mempool-level insight. Note it covers native ETH value only and does not include ERC-20 token transfers or USD pricing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:40:59.986Z","isFirstParty":false,"canonicalSlug":"trollbridge-whale-watch-ethereum-mempool-large-transaction-monitor-e8dc5857"}