# Nonprofit Invoice Total Calculator

> 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.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/invoice-total-nonprofit?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nonprofit-invoice-total-calculator-422fda9f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v76MdTVQa56bQGv2KAtLj

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability nonprofit-invoice-total-calculator-422fda9f -d '<json body>'
```

Example prompt: Can you calculate the invoice total for our nonprofit order — we have 3 units at $15 each and 2 units at $22.50 each, with a tax rate of 0%?

## When to prefer this

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.

## Known failure modes

- 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

## 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).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "items": {
   "type": "array",
   "items": {
    "type": "object"
   },
   "default": [
    {
     "quantity": 2,
     "unit_price": 12.5
    },
    {
     "quantity": 1,
     "unit_price": 8
    }
   ]
  },
  "tax_rate_percent": {
   "type": "number",
   "default": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nonprofit-invoice-total-calculator-422fda9f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)