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x402toll Payment Processor Fee Calculator
x402
x402toll Payment Processor Fee Calculator is a paid API for AI agents from x402toll.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).
Calculates payment-processor fees and net received for Stripe, PayPal, and Square at 2026 US standard rates, or reverse gross-ups a target net amount to find what to charge.
Price / call$0.02
Success—
StatusUnknown
How this service works
Payment-processor fee and net received for Stripe, PayPal, and Square at their verified 2026 standard US rates — or reverse gross-up (what to charge to net a target).
Output
Returns the processor fee amount, net received (after fees), and for gross-up mode the gross charge needed to yield the target net — all computed using verified 2026 standard US rates for the selected processor (Stripe, PayPal Checkout, PayPal Standard, Square Online, Square In-Person, or Square Keyed).
Example use cases
Example prompt
“What do I actually pocket after Stripe fees on a $350 payment — and also tell me what I'd need to charge to net $350 if I want to pass the fee to the customer?”
Technical details
Endpoint
POSThttps://x402toll.com/v1/commerce/processor-feeWhen to prefer
Use this endpoint when you need accurate, up-to-date 2026 US standard fee calculations for Stripe, PayPal, or Square — especially for both forward (what do I net?) and reverse (what do I charge?) computations. Prefer over manual calculations or generic fee estimators when you need verified rates across multiple processor variants.
Side effects
- Invalid processor enum value returns validation error
- Amount not provided or non-numeric causes 400 error
- Mode enum not recognized returns validation error
- Amount of zero or negative may return error or zero-fee result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| mode | string | |
| amount | number | |
| processor | string |
Tags
x402
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