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defi.hugen.tokyo Cross-Chain Bridge & Swap Quote
x402
defi.hugen.tokyo Cross-Chain Bridge & Swap Quote is a paid API for AI agents from defi.hugen.tokyo, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Compares rates across 20+ bridge protocols and DEX aggregators to return the optimal cross-chain bridge or swap route by cost, speed, or reliability in a single request
Price / call$0.02
Success—
StatusUnknown
How this service works
Optimal cross-chain bridge and swap quote — compares rates across 20+ bridges and DEX aggregators in a single request. Returns best route by cost, speed, or reliability with gas estimates and slippage prediction. One call replaces querying multiple bridge protocols individually. Premium ($0.02). Accepts USDC payments on Base and Solana
Output
Returns the optimal cross-chain bridge or swap route including the recommended bridge protocol, estimated gas costs, predicted slippage, expected output amount, and full execution path, selected by the specified optimization criteria (cost, speed, or reliability) from a comparison across 20+ bridge protocols and DEX aggregators.
Example use cases
Example prompt
“What's the best route to bridge 1000 USDC from Ethereum to Arbitrum right now — optimized for lowest cost — including gas estimates and expected slippage?”
Technical details
Endpoint
GEThttps://defi.hugen.tokyo/defi/bridge/quoteWhen to prefer
Use this endpoint when an agent needs to identify the best cross-chain bridge or swap route without querying 20+ bridge protocols individually. Ideal when cost, speed, or reliability optimization is needed for cross-chain token transfers. Prefer this over individual bridge protocol APIs when a single aggregated quote is sufficient and you want gas estimates and slippage predictions in one call. Use the sibling multi-route endpoint if you need multiple route options with advanced filtering.
Side effects
- Unsupported token pair or chain combination returns no route found
- Invalid chain or token address returns 400 error
- Route temporarily unavailable due to bridge liquidity issues
- Payment of $0.02 USDC not received results in 402 response
- Rate limit exceeded returns 429
- Slippage prediction may be inaccurate during high volatility periods
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Tags
x402
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