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TrollBridge Bridge Fees Quote
x402
TrollBridge Bridge Fees Quote is a paid API for AI agents from mini-tollbooth.onrender.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-11).
Returns a cross-chain token bridge quote including fees, estimated output amount, gas costs, and ETA using LiFi/AcrossV4 routing
Price / call$0.05
Success—
StatusUnknown
How this service works
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.
Output
A JSON object containing the source and destination chain/token pair, the bridge tool used (e.g. AcrossV4), expected output amount, minimum output amount after slippage, itemized fee breakdown (protocol fees in USDC), gas breakdown (gas cost in ETH), total fees in USD, and estimated transfer time in seconds.
Example use cases
Pre-bridge cost check for DeFi bot
“Before I execute the bridge, tell me how much it'll cost in fees and gas to move 500 USDC from Ethereum (chain 1) to Arbitrum (chain 42161), and how much I'll actually receive on the other side.”
Cheapest route comparison for multi-chain portfolio
“I want to rebalance my portfolio — what are the bridge fees, total cost in USD, and estimated time to move 1000 USDC (1000000000 smallest units) from Polygon (chain 137) to Optimism (chain 10)?”
User-facing bridge fee display in wallet app
“Show me a quote for bridging 0.5 ETH worth of WETH (500000000000000000 smallest units) from Ethereum mainnet (chain 1) to Base (chain 8453), including the fee breakdown and how long it will take.”
Technical details
Endpoint
GEThttps://mini-tollbooth.onrender.com/bridge-fees?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent or application needs a real-time cross-chain bridge quote before executing a token transfer, especially when using LiFi or Across V4 routing. Prefer this over raw DEX aggregator APIs when you need an all-in-one fee + gas + ETA estimate in a single call with x402 micropayment access.
Side effects
- Missing required query parameters (fromChain, toChain, fromToken, toToken, fromAmount) returns an error
- Unsupported chain pair or token combination returns no route found
- Invalid chain ID format causes a bad request error
- Payment of $0.05 USDC not provided results in 402 Payment Required
- Very small amounts may fail minimum threshold checks
- Network congestion may cause stale or unavailable gas estimates
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": {
"token": "USDC",
"chainId": 137
},
"from": {
"token": "USDC",
"chainId": 1
},
"lane": "/bridge-fees",
"tool": "AcrossV4",
"toAmount": 0.99,
"fromAmount": 1,
"description": "Cross-chain bridge quote ($0.05) — LiFi route, fees, and ETA for moving tokens between chains.",
"toAmountMin": 0.98,
"feeBreakdown": [
{
"type": "network",
"token": "USDC",
"amountUsd": 0.15
}
],
"gasBreakdown": [
{
"type": "gas",
"token": "ETH",
"amountUsd": 0.06
}
],
"totalFeesUsd": 0.21,
"estimatedSeconds": 2
}
}Tags
x402
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