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QuantOracle DEX Slippage Calculator
x402
QuantOracle DEX Slippage Calculator is a paid API for AI agents from api.quantoracle.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Calculates DEX trade slippage, price impact, output amount, and effective price for an AMM swap given pool reserves, trade size, fee, and direction
Price / call$0.005
Success—
StatusUnknown
How this service works
QuantOracle: crypto/dex-slippage
Output
Returns slippage in basis points, price impact percentage, output amount of the received token, effective execution price, spot price, fee amount charged, and minimum output amount under 1% slippage tolerance. Also includes computation latency in milliseconds.
Example use cases
Example prompt
“I'm about to swap 10,000 units of token A for token B on a DEX pool with 5,000,000 units of token A and 2,000 units of token B reserves, a 30 bps fee, trading in the a_to_b direction — what will the slippage, price impact, and output amount be?”
Technical details
Endpoint
POSThttps://api.quantoracle.dev/v1/crypto/dex-slippageWhen to prefer
Use this endpoint when you need fast, precise AMM slippage and price impact calculations for DEX trades without connecting to an on-chain node. Ideal for pre-trade simulation, order routing, portfolio rebalancing logic, or any workflow that needs to estimate DEX execution quality programmatically. Prefer over on-chain calls when latency, cost, or infrastructure complexity matters.
Side effects
- Invalid trade direction (must be 'a_to_b' or 'b_to_a')
- Zero or negative reserve values causing division by zero
- Trade amount larger than available pool reserves
- Negative or out-of-range fee_bps value
- Missing required fields returns validation error
- Payment failure or insufficient USDC balance (x402 protocol)
Input
{
"fee": 0.003,
"direction": "a_to_b",
"reserve_a": 5000000,
"reserve_b": 2000000,
"trade_amount": 10000
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| fee_bps | integer | DEX fee in basis points (e.g. 30 = 0.3%) |
| reserve_a | number | Pool reserve of token A |
| reserve_b | number | Pool reserve of token B |
| trade_amount | number | Amount of input token to swap |
| trade_direction | string | Swap direction |
Output
{
"ms": 10.88,
"_meta": {
"url": "https://quantoracle.dev",
"docs": "https://api.quantoracle.dev/docs",
"powered_by": "QuantOracle"
},
"fee_amount": 30,
"spot_price": 0.4,
"slippage_bps": 49.84,
"output_amount": 3980.0638,
"effective_price": 0.398006,
"price_impact_pct": 0.4984,
"minimum_output_1pct_tolerance": 3940.2631
}Tags
x402
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