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dexswap-price
x402
dexswap-price is a paid API for AI agents from api.agentstools.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns a lightweight DEX swap price quote on Base, comparing Aerodrome and Uniswap V3 routes to find the best output for a given token pair and amount.
Price / call$0.01
Success—
StatusUnknown
How this service works
Lightweight swap quote for Base without calldata: give tokenIn, tokenOut and raw amountIn and get the max-output route across Aerodrome and Uniswap V3, the buy amount, amountOutMin, price impact and the venues compared. A cheap price check before you build the full transaction.
Output
Returns the optimal swap route (Aerodrome or Uniswap V3), the expected buy amount in raw units, the minimum output after slippage (amountOutMin), the price impact percentage, and a comparison of all venues evaluated — without building calldata.
Example use cases
Pre-trade price check for ETH sell
“I'm about to sell 2 WETH for USDC on Base — can you quickly check the best quote across Aerodrome and Uniswap V3, using 2000000000000000000 as the raw amount, and tell me the expected output, price impact, and minimum I'd receive?”
Arbitrage route comparison for AERO
“Compare Aerodrome and Uniswap V3 swap rates for converting 5000 AERO to USDC on Base — give me the best route, expected buy amount, and price impact. Use 5000000000000000000000 as the raw AERO amount.”
Slippage-sensitive DeFi bot preflight
“Before my bot builds the swap transaction, get me a price quote for selling 500 USDC (500000000 raw units) to WETH on Base with a tight 10 basis point slippage — I need the amountOutMin and which DEX wins.”
Technical details
Endpoint
GEThttps://api.agentstools.dev/swap/priceWhen to prefer
Use this endpoint when you need a fast, cheap price check on Base before constructing a full swap transaction — it avoids the overhead of calldata generation. Ideal for bots or agents that want to pre-screen price impact, compare Aerodrome vs Uniswap V3, or determine amountOutMin before committing to a trade. Not suitable if you need executable calldata (use dexswap-build for that) or if you're trading on chains other than Base.
Side effects
- Unsupported token symbol or invalid ERC-20 address returns an error
- amountIn of zero or non-integer string causes validation failure
- Token pair with no liquidity on either venue returns no route found
- slippageBps exceeding 5000 is rejected
- Network issues or RPC failures may return a 5xx error
- Payment of $0.01 USDC not provided or rejected results in 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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