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Delx Commerce AMM Output Given Input Calculator
x402
Delx Commerce AMM Output Given Input Calculator is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Calculates the output token amount for a given input amount in a constant-product AMM (automated market maker) swap, accounting for a specified fee
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object with the schema identifier ('delx/util-amm-out-given-in/v1'), the input fee_bps and amount_in echoed back, and the computed amount_out representing how many output tokens the trader would receive after fees using the constant-product (x*y=k) formula.
Example use cases
Pre-trade swap quote for DeFi agent
“Before executing a token swap on a DEX, tell me how many tokens I'll get out if I put in 250 units, with reserve_in of 100000, reserve_out of 95000, and a 30 bps fee.”
Comparing pool routes for best output
“I'm deciding between two liquidity pools — for Pool A with reserve_in 200000, reserve_out 180000, and 25 bps fee, how much would I get if I swap in 500 units?”
Slippage estimation for large trade
“I want to understand the price impact of a large trade: calculate the AMM output if I put in 50000 units into a pool with reserve_in 300000, reserve_out 310000, and 30 bps fee.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/amm-out-given-in?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, verifiable, pay-per-use computation of AMM swap output without integrating a full DEX SDK or running your own smart contract simulation. Ideal for AI agents that need on-demand DeFi pricing math without signup, API keys, or subscription costs — especially when operating on Base or Solana with USDC via the x402 protocol.
Side effects
- Missing required fields (amount_in, reserve_in, reserve_out, fee_bps) returns an error
- Zero or negative reserve values may cause division errors or invalid results
- Integer overflow for very large reserve or amount values
- Payment failure via x402 protocol (insufficient USDC balance) blocks the call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| fee_bps | integer | Input field: fee bps. |
| amount_in | integer | Input field: amount in. |
| reserve_in | integer | Input field: reserve in. |
| reserve_out | integer | Input field: reserve out. |
Output
Schema · Response
{
"type": "json",
"example": {
"schema": "delx/util-amm-out-given-in/v1",
"fee_bps": 30,
"amount_in": 10,
"amount_out": 9.871580343970614
}
}Tags
x402
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