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Delx Commerce Fee Quote API
x402
Delx Commerce Fee Quote API 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).
Computes the fee amount for a given notional value and fee rate, returning the exact cost before executing a pay-per-result API transaction.
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 containing the computed fee amount (e.g. 0.5), the fee_rate used, the notional value, and a schema identifier (delx/util-fee-quote/v1) confirming the response format and version.
Example use cases
Pre-payment cost check for agent
“Before my agent pays for this API result, can you calculate the exact fee using a fee rate of 0.001 and a notional of 500 so I know exactly what will be charged in USDC?”
Fee estimation for budget planning
“I need to estimate how much it'll cost me to process 2000 units at a fee rate of 0.0005 — can you get me the fee quote from Delx Commerce?”
Transparent pricing before commerce execution
“Can you check the fee quote on Delx Commerce for a notional of 1000 at the standard 0.0005 rate so I can verify the cost is right before approving the transaction?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/fee-quote?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to preview or verify the exact fee cost of a Delx Commerce pay-per-result API call before committing to payment, especially when budget transparency or auditability is required prior to executing a USDC transaction on Base or Solana.
Side effects
- Missing or invalid fee_rate or notional fields returns a validation error
- Non-numeric inputs cause a 400 Bad Request
- Network or server errors return a 5xx response
- Zero or negative notional may return an error or zero fee
- Excessively large notional values may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| fee_rate | number | Input field: fee rate. |
| notional | integer | Input field: notional. |
Output
Schema · Response
{
"type": "json",
"example": {
"fee": 0.5,
"schema": "delx/util-fee-quote/v1",
"fee_rate": 0.0005,
"notional": 1000
}
}Tags
x402
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