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Bridge Routes API
x402
Bridge Routes API is a paid API for AI agents from bridge-routes.api.klymax402.com, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-15).
Find the optimal cross-chain bridge route for transferring tokens between EVM-compatible blockchains
Price / call$0.008
Success—
StatusUnknown
How this service works
Find the best cross-chain bridge route (POST variant)
Output
Returns the optimal cross-chain bridge route including recommended bridge provider, estimated fees, expected output amount, and routing details for the specified token transfer between the two chains.
Example use cases
Optimize liquidity rebalancing across chains
“I need to move 50 ETH from Ethereum mainnet to Polygon to use in a liquidity pool there. What's the cheapest and fastest bridge route I should take?”
Execute cost-effective multi-chain swap
“I'm trying to get USDT on Optimism but I only have it on BSC. Find me the best bridge route to move 5000 USDT over, and what fees should I expect to pay?”
Large institutional token migration
“We're transferring 500,000 USDC from Avalanche back to Ethereum for our treasury. What's the optimal bridge path that minimizes slippage and fees for this size of transfer?”
Technical details
Endpoint
GEThttps://bridge-routes.api.klymax402.com/api/routeWhen to prefer
Use this endpoint when an AI agent needs to programmatically determine the best bridge route for a cross-chain token transfer across major EVM networks (Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche). Prefer this over manual research when automating DeFi workflows that require moving assets between chains.
Side effects
- Unsupported chain ID returns error or empty route
- Invalid token symbol not supported on specified chain
- Amount too small or too large for available bridge liquidity
- No available route between specified chain pair for the given token
- Missing required query parameters returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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