# Numora Tax Computation API

> Numora Tax Computation API is a paid API for AI agents from numormor.netlify.app, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).

Calculates income tax liability across progressive tax brackets given an income amount and a set of bracket definitions

## Facts

- Endpoint: POST https://numormor.netlify.app/api/financial/tax
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/numora-tax-computation-api-bb2b1835
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_85k4WZmxmXjpNjkAJLUdd

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 numora-tax-computation-api-bb2b1835 -d '<json body>'
```

Example prompt: Can you calculate the income tax owed on $95,000 using these US federal brackets: 10% up to $11,000, 12% from $11,001 to $44,725, 22% from $44,726 to $95,375?

## When to prefer this

Use this endpoint when you need a purely computational, offline tax calculation with custom bracket definitions and no dependency on live tax data sources. Ideal for financial planning tools, tax estimators, or any scenario where you supply the bracket schedule yourself rather than fetching current official rates.

## Known failure modes

- Missing required 'income' field returns validation error
- Missing or empty 'brackets' array returns validation error
- Malformed bracket objects (missing thresholds or rates) cause computation failure
- Negative income values may produce unexpected results
- Non-numeric income values return type error
- Payment failure via x402 returns 402 status before computation is attempted

## How this service works

100 pure math computation endpoints for AI agents. Statistics, financial math, linear algebra, equation solving, calculus, number theory, sequence generation, and unit conversions. Zero external dependencies. x402 micropayments on Base.

## Output

Returns a JSON object with success flag, a human-readable computation description, and a result object containing the computed tax liability broken down by bracket, total tax owed, and likely effective tax rate for the given income.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "income",
  "brackets"
 ],
 "properties": {
  "income": {
   "type": "number"
  },
  "brackets": {
   "type": "array"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "success",
  "result",
  "computation"
 ],
 "properties": {
  "result": {
   "type": "object",
   "description": "Computation result varies by endpoint"
  },
  "success": {
   "type": "boolean",
   "description": "Always true on success"
  },
  "computation": {
   "type": "string",
   "description": "Human-readable description of what was computed"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/numora-tax-computation-api-bb2b1835/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from numormor.netlify.app](https://www.zero.xyz/host/numormor.netlify.app/llms.txt)