# GGWP Sales Tax Calculator

> GGWP Sales Tax Calculator is a paid API for AI agents from ggwp-ten.vercel.app, paid per call via x402, $0.186778/call, status unknown (last checked 2026-10-10).

Calculates sales tax for a given transaction or location, returning applicable tax rates and amounts.

## Facts

- Endpoint: POST https://ggwp-ten.vercel.app/api/sales-tax-calculator?utm_source=zero.xyz
- Price: $0.186778/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ggwp-sales-tax-calculator-51749cd6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_q5FCAYAIrmQaBulqZLj5R

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 ggwp-sales-tax-calculator-51749cd6 -d '<json body>'
```

Example prompt: Can you calculate the sales tax on a $350 purchase in Austin, Texas — I need the tax rate and the final total with tax included.

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call sales tax computation without setting up a dedicated tax service subscription. It is well-suited for agents handling ad-hoc invoice generation, e-commerce order totals, or financial calculations across US states without requiring a full tax compliance platform.

## Known failure modes

- Missing or invalid location/state input returns an error or empty result
- Unsupported jurisdiction may return null or generic fallback rate
- Malformed amount input may cause computation failure
- API may return a generic example response if input schema is not properly fulfilled

## How this service works

All-in-one API hub: Social Media, Jobs, Finance, Crypto, and Tools. Pay-per-call with x402 protocol on Base chain.

## Output

Returns an object containing the applicable sales tax rate (as a percentage), the calculated tax amount for the transaction, and the total amount including tax, scoped to the specified location or jurisdiction.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ggwp-sales-tax-calculator-51749cd6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from ggwp-ten.vercel.app](https://www.zero.xyz/host/ggwp-ten.vercel.app/llms.txt)