{"uid":"cap_ZdTcEhBuGcBRIIRBCbFFW","slug":"trollbridge-tx-simulate-9a59068e","name":"TrollBridge TX Simulate","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 $25.00). Every lane answers before money moves — heuristic verdicts, not audits. Don't get rugged.","url":"https://mini-tollbooth.onrender.com/tx-simulate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":{"lane":"/tx-simulate","chain":"base","verdict":"would-succeed","simulation":"eth_call + estimateGas against live public RPCs","description":"NOT AN AUDIT — simulation, not a guarantee: transaction dry-run ($0.10) — simulate any call against live public RPCs before you send it: would-succeed vs would-revert verdict, revert reason decoded, gas estimate in native + USD.","gas_estimate":{"gas_units":23697,"cost_native":"1.4e-7","cost_usd_approx":0.0004},"revert_reason":null}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zAzSyuXWF1Fd0vZkQwQAn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Dry-runs an EVM transaction against live public RPCs to predict success or revert before sending, returning a verdict, decoded revert reason, and gas estimate.","exampleAgentPrompt":"Before I send this transaction, can you simulate it on Base to see if it'll succeed or revert? The target contract is 0xAbC123..., the calldata is 0xd0e30c0b, and I'm sending from 0xMyWallet456....","exampleUseCases":[{"title":"Pre-flight check before token swap","prompt":"I'm about to call a DEX router on Base with this calldata 0xa9059cbb000000... from my wallet 0xDeadBeef... to contract 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD — simulate it first so I know if it'll succeed and what the gas will cost."},{"title":"Debug a reverting smart contract call","prompt":"My transaction keeps failing — can you dry-run it against Ethereum mainnet? Contract is 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D, calldata 0x38ed1739..., sending from 0xABCdef1234... with 0 ETH value, and decode why it's reverting."},{"title":"Gas cost estimate before bulk execution","prompt":"I need to know the gas cost before I send a contract interaction on Base — target 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, calldata 0x095ea7b3..., from wallet 0x1234abcd..., no ETH value attached. Give me gas units and the USD estimate."}],"resultDescription":"Returns a JSON object with: lane identifier, chain, a verdict field ('would-succeed' or 'would-revert'), the simulation method used, a disclaimer that this is not an audit, a gas_estimate object containing gas_units, cost_native, and cost_usd_approx, and a revert_reason field (null if the tx would succeed, decoded string if it would revert).","failureModes":["Missing required query params (to, data, from) returns a 400 error","Invalid or malformed hex calldata causes simulation failure","Contract address not found on specified chain causes revert","RPC node unavailability may cause timeout or failed simulation","Specifying an unsupported chain value returns an error","Insufficient simulation fidelity for complex state-dependent transactions (result may differ from actual execution)"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap ($0.10 USDC) pre-send sanity check for any EVM transaction on Base or Ethereum — especially before executing swaps, approvals, or contract calls where a revert would waste gas or cause harm. Prefer this over a full audit when you need a real-time go/no-go verdict with gas cost preview rather than a deep security analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:41:45.300Z","isFirstParty":false,"canonicalSlug":"trollbridge-tx-simulate-9a59068e"}