{"uid":"cap_oiCRj-x2OgLGqewoZARhn","slug":"trollbridge-transaction-dry-run-simulator-cf7a041c","name":"TrollBridge Transaction Dry-Run Simulator","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 $25.00). Every lane answers before money moves — heuristic verdicts, not audits. Don't get rugged.","url":"https://mini-tollbooth.onrender.com/tx-dryrun?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":["to","data","from"],"properties":{"to":{"type":"string","description":"Target contract address the transaction calls (0x… on Base or Ethereum)."},"data":{"type":"string","description":"Hex calldata of the transaction (0x…)."},"from":{"type":"string","description":"Wallet address that would send the transaction (0x…)."},"chain":{"enum":["base","ethereum"],"type":"string","description":"Which chain (default base)."},"value":{"type":"string","description":"Native currency value in wei, decimal or 0x… hex (default 0)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"to":"0x...","from":"0x...","lane":"/tx-dryrun","chain":"base","verdict":"review-carefully","simulation":{"reverted":false},"description":"NOT AN AUDIT — simulation, not a guarantee: the crystal ball — simulate any transaction before signing and get a plain-words explanation of what it does to your wallet (approvals, transfers, swaps decoded). Verdict: safe, review-carefully, or do-not-sign.","explanation":"This grants 0x… unlimited rights to move your USDC."}},"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_fazzgUKZT51NzUFvfvBtM","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":"Simulates a blockchain transaction before signing and returns a plain-English explanation of its effects plus a safety verdict (safe, review-carefully, or do-not-sign)","exampleAgentPrompt":"Before I sign this transaction, simulate it and tell me in plain English what it does to my wallet — the target contract is 0xabc123…, calldata is 0xdeadbeef…, sending from 0xmywallet… on Base with 0 ETH value.","exampleUseCases":[{"title":"Pre-signing approval check","prompt":"I got a transaction to sign from this dApp — target is 0xA0b8…, calldata is 0x095ea7b3…, my wallet is 0x742d…, on Base. Simulate it and tell me in plain English whether it's giving away unlimited token approvals before I click sign."},{"title":"Swap transaction safety review","prompt":"I'm about to do a DEX swap — the router contract is 0x4648…, calldata is 0x38ed1739…, from my wallet 0x1cE8… on Ethereum with 0.5 ETH value. Dry-run it and tell me if it looks safe or if I should back out."},{"title":"Unknown contract interaction vetting","prompt":"Someone sent me a transaction to sign and I don't recognise the contract — to address is 0xDead…, data is 0xc0ffee…, from wallet 0xBeef… on Base. Simulate it and give me a plain-English breakdown of what it would do and your verdict."}],"resultDescription":"A JSON object containing: the simulation outcome (whether the transaction reverted), a plain-English explanation of exactly what the transaction does (decoded approvals, token transfers, swaps), and a safety verdict of 'safe', 'review-carefully', or 'do-not-sign'. Also echoes back the to/from addresses, chain, and lane for traceability.","failureModes":["Missing required parameters (to, data, from) returns an error","Invalid hex calldata format causes simulation failure","Contract not deployed on specified chain returns revert or error","Unsupported chain value (not 'base' or 'ethereum') rejected","RPC node unavailability causes simulation timeout","Payment of $0.02 USDC not provided results in 402 Payment Required"],"whenToPreferThis":"Use this endpoint when an AI agent or user needs to understand and vet a specific transaction before signing — especially when the calldata is opaque, the contract is unfamiliar, or approval grants are suspected. Prefer this over static contract analysis tools when you have actual calldata and want a simulation-based explanation of real on-chain effects rather than just code auditing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:47:49.067Z","isFirstParty":false,"canonicalSlug":"trollbridge-transaction-dry-run-simulator-cf7a041c"}