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Uniswap V3 Swap Quote via Spraay Gateway
x402
Uniswap V3 Swap Quote via Spraay Gateway is a paid API for AI agents from gateway.spraay.app, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-15).
Returns a swap quote (expected output amount) for a given token pair and input amount using Uniswap V3 routing.
Price / call$0.008
Success—
StatusUnknown
How this service works
Swap quotes via Uniswap V3.
Output
Returns the expected output token amount (amountOut as a string) for the specified token swap, reflecting current Uniswap V3 pool pricing and routing.
Example use cases
Price WBTC to DAI swap
“How much DAI would I get if I swapped 0.5 WBTC (0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599) to DAI (0x6B175474E89094C44Da98b954EedeAC495271d0F) right now on Uniswap V3?”
Check USDT to WETH exchange rate
“If I swap 500 USDT (0xdAC17F958D2ee523a2206206994597C13D831ec7) for WETH (0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2) on Uniswap V3, how much WETH would I receive?”
Estimate output before executing trade
“Before I pull the trigger on a trade, can you get me a Uniswap V3 quote for swapping 1000 USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) into LINK (0x514910771AF9Ca656af840dff83E8264EcF986CA) so I know what to expect?”
Technical details
Endpoint
GEThttps://gateway.spraay.app/api/v1/swap/quoteWhen to prefer
Use this endpoint when you need an EVM/Ethereum Uniswap V3 swap quote specifically; prefer the sibling Jupiter endpoint for Solana-native swaps. Best for agents that need to price ERC-20 token swaps before executing a trade or displaying exchange rates to users.
Side effects
- Invalid token addresses return an error or empty result
- Unsupported token pair with no Uniswap V3 pool returns no route found
- amountIn of zero or malformed string may cause a validation error
- Payment failure (402) if x402 payment header is missing or insufficient
- Network congestion or RPC issues may cause timeout or stale pricing
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"tokenIn": "WETH",
"amountIn": "1000000000000000000",
"tokenOut": "USDC"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"dex": "uniswap-v3",
"route": "WETH → USDC",
"feeTier": "0.3%",
"tokenIn": {
"amount": "1000000000000000000",
"symbol": "WETH",
"address": "0x4200000000000000000000000000000000000006",
"decimals": 18
},
"_gateway": {
"router": "mangoswap",
"source": "uniswap-v3-quoter",
"contract": "0xb81fea65B45D743AB62a1A2B351f4f92fb1d4D16",
"provider": "spraay-x402"
},
"tokenOut": {
"symbol": "USDC",
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"decimals": 6,
"estimatedAmount": "36728159.037329"
},
"validFor": "30 seconds",
"timestamp": "2026-06-09T20:22:48.372Z",
"gasEstimate": "5352872",
"priceImpact": "live",
"transaction": {
"to": "0xb81fea65B45D743AB62a1A2B351f4f92fb1d4D16",
"note": "Use MangoSwap router or submit directly to Uniswap V3 SwapRouter",
"chainId": 8453
},
"executionPrice": "1 WETH = 0.00000000 USDC"
}Tags
x402
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