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Jupiter DEX Quote API via klymax402
x402
Jupiter DEX Quote API via klymax402 is a paid API for AI agents from klymax402.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).
Returns a swap quote from Jupiter aggregator on Solana, including route plan, input/output amounts, and price impact for a given token pair and amount.
Price / call$0.005
Success—
StatusUnknown
How this service works
One MCP endpoint gives your AI agent access to 100 APIs -- crypto, DeFi, web, AI, finance and utilities. No API keys, USDC on Base from $0.003/call.
Output
Returns a JSON object with the input mint address, output mint address, raw input amount, raw output amount, price impact percentage, slippage in basis points, and an array of route plan steps showing how the swap would be routed across liquidity pools on Solana.
Example use cases
Pre-trade price check for SOL swap
“Before I swap, can you check how much USDC I'd get for 2 SOL right now on Jupiter, and tell me the price impact and best route?”
Arbitrage opportunity scouting
“Check me a Jupiter quote swapping 500 USDC to SOL and another from SOL back to USDC — I want to see if there's a round-trip arbitrage opportunity with under 0.5% slippage each way.”
Best rate comparison for large trade
“I'm about to swap 10 SOL to USDT on Solana — can you pull the Jupiter quote and tell me the exact output amount, price impact percentage, and route plan so I know if the rate is worth it?”
Technical details
Endpoint
GEThttps://klymax402.com/api/jupiter-quotes/api/quoteWhen to prefer
Use this endpoint when you need a real-time swap quote on the Solana blockchain via Jupiter aggregator without managing your own Jupiter API key. It is ideal for agents that need pre-trade price checks, route analysis, or price impact estimation for SOL, USDC, USDT, or other Solana SPL tokens before executing a swap. Prefer this over direct Jupiter API calls when using the x402 micropayment pattern with no API key setup required.
Side effects
- Invalid or unknown token mint address returns an error or empty route
- Amount too small for any available liquidity results in no route found
- Unsupported token pair with no liquidity path returns empty routePlan
- Malformed amount string (non-numeric) causes a validation error
- Network or Jupiter API downtime causes a 5xx error from the proxy
- Slippage parameter out of acceptable range may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"inAmount": "example",
"inputMint": "example",
"outAmount": "example",
"routePlan": [],
"outputMint": "example",
"slippageBps": 1,
"priceImpactPct": "example"
}
}Tags
x402
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