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Nonprofit Invoice Total Calculator
x402
Nonprofit Invoice Total Calculator is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-01).
Calculates line-item subtotals, applies a user-supplied tax rate, and returns the invoice total, tailored for nonprofit workflows.
Price / call$0.01
Success—
StatusUnknown
How this service works
Nonprofit Invoice total calculator: Calculate a line-item subtotal, user-supplied tax rate, and total. Tailored for nonprofit workflows.
Output
Returns a computed breakdown including the line-item subtotal (sum of quantity × unit_price for each item), the tax amount calculated from the supplied tax_rate_percent, and the final invoice total (subtotal + tax).
Example use cases
Volunteer supply order billing
“We're buying supplies for a charity event — 10 items at $8.00 each and 5 items at $14.50 each, no tax since we're a nonprofit. What's our invoice total?”
Grant-funded equipment purchase
“I need to calculate the invoice for a grant purchase: 2 units at $120 each and 1 unit at $45, with a 6.5% tax rate. Can you give me the subtotal and total?”
Donor acknowledgment receipt preparation
“For our donation acknowledgment receipt, can you calculate the line items — 4 units at $25 each and 3 units at $10 each — with 0% tax, so I have the full subtotal and total to include?”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/invoice-total-nonprofit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a simple, reliable server-side invoice calculation specifically for nonprofit contexts, particularly when you want to avoid building arithmetic logic yourself and need a structured subtotal/tax/total breakdown from line items with a configurable tax rate.
Side effects
- Missing or malformed items array returns an error or default result
- Negative quantities or prices may produce unexpected totals
- Non-numeric tax_rate_percent causes a validation failure
- Empty items array may return zero subtotal with no error
- Payment failure for the $0.01 USDC fee blocks execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| items | array | |
| tax_rate_percent | number |
Tags
x402
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