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NZ GST Calculator
x402
NZ GST Calculator is a paid API for AI agents from nzdata.zakwins.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-17).
Calculates New Zealand Goods and Services Tax (GST) for a given amount, returning inclusive and exclusive figures
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-call New Zealand utilities via x402 (USDC on Base). Computed from statute (Holidays Act 2003, Te Kāhui o Matariki Public Holiday Act 2022) and published government dates; provided as-is with no warranty. Regional anniversary observance can vary locally. Verify critical deadlines with the relevant agency.
Output
Returns the GST breakdown for the provided amount, including the GST component (15%), the GST-inclusive total, and the GST-exclusive base amount, computed from New Zealand's standard GST rate.
Example use cases
Invoice GST component extraction
“I've got a NZD $1,250 GST-inclusive invoice — can you tell me how much of that is GST and what the pre-tax amount is?”
Adding GST to a product price
“My product costs $85 before tax — what will the GST-inclusive price be for my New Zealand customer?”
Batch price validation for NZ store
“I'm listing items in my NZ online store. Can you calculate the GST-inclusive price for a $39.99 ex-GST item so I can display the correct total?”
Technical details
Endpoint
GEThttps://nzdata.zakwins.workers.dev/nz/gst?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, accurate, programmatic New Zealand GST calculation without building your own tax logic. It is ideal for agents handling NZ e-commerce, invoicing, accounting automation, or financial reporting that require on-demand 15% GST computation. Prefer this over generic calculator tools when you need GST-specific output fields (inclusive/exclusive split) and are operating in the NZ tax context.
Side effects
- Missing required 'amount' query parameter returns an error
- Non-numeric or malformed amount value causes a validation error
- Invalid 'mode' parameter (not 'add' or 'remove') may return an error or default behavior
- Network or Cloudflare Worker timeout returns a 5xx error
- Payment not fulfilled via x402 protocol results in a 402 Payment Required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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