# SignalDesk AI – Square Meter to Square Millimeter Converter

> SignalDesk AI – Square Meter to Square Millimeter Converter is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).

Converts an area value from square meters to square millimeters using IEEE-754 double precision arithmetic.

## Facts

- Endpoint: GET https://x402-agent.kariguetoazul.workers.dev/api/units/area/square-meter-to-square-millimeter?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/signaldesk-ai-square-meter-to-square-millimeter-converter-1055a8c8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ETP58nUOn_N7PGZrR6tU8

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 signaldesk-ai-square-meter-to-square-millimeter-converter-1055a8c8
```

Example prompt: Convert 2.75 square meters to square millimeters for me.

## When to prefer this

Use this endpoint when you need a reliable, paid, API-accessible conversion from square meters to square millimeters with explicit IEEE-754 precision guarantees, particularly in automated pipelines or agent workflows where a deterministic numeric result and clear metadata (unit labels, dimension) are required. Prefer it over client-side math when auditability or consistent precision handling matters.

## Known failure modes

- Missing required 'value' query parameter returns an error
- Negative input value rejected (minimum is 0)
- Values exceeding 1e+100 rejected by schema validation
- Non-numeric input causes a validation error
- Payment not provided or invalid causes a 402 Payment Required response

## How this service works

Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.

## Output

A JSON object containing the original value in square meters, the converted value in square millimeters, the source and target unit labels, the dimension name ('area'), and the precision standard used (IEEE-754 double).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "value"
     ],
     "properties": {
      "value": {
       "type": "number",
       "maximum": 1e+100,
       "minimum": 0,
       "description": "Amount in square metres."
      }
     },
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "to": "square-millimeter",
  "from": "square-meter",
  "value": 123.45,
  "converted": 123450000,
  "dimension": "area",
  "precision": "IEEE-754 double"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signaldesk-ai-square-meter-to-square-millimeter-converter-1055a8c8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-agent.kariguetoazul.workers.dev](https://www.zero.xyz/host/x402-agent.kariguetoazul.workers.dev/llms.txt)