# Self-study Common Unit Converter

> Self-study Common Unit Converter is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Converts a numeric value between supported length, mass, volume, and temperature units, optimized for self-study workflows.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/unit-convert-self-study?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/self-study-common-unit-converter-bd6fe487
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9qymJjSOcmBJmEcgS1kZe

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 self-study-common-unit-converter-bd6fe487 -d '<json body>'
```

Example prompt: Convert 10 kilometers to miles for me — I need the result in mi from km.

## When to prefer this

Choose this endpoint when you need a straightforward, pay-per-call unit conversion for common measurement categories (length, mass, volume, temperature) in a self-study or educational context, without needing to maintain a subscription or use a heavier general-purpose math API.

## Known failure modes

- Unsupported unit pair returns an error or null result
- Non-numeric value input causes validation failure
- Conversion between incompatible unit types (e.g. length to mass) returns an error
- Missing required fields (value, from_unit, to_unit) cause a 400-level error
- Payment failure or insufficient USDC balance prevents request from completing

## How this service works

Self-study Common unit converter: Convert between supported length, mass, volume, and temperature units. Tailored for self-study workflows.

## Output

Returns the converted numeric result for the given value translated from the source unit to the target unit, covering length (e.g. km, mi, m, ft, in), mass (e.g. kg, g, lb, oz), volume (e.g. L, mL, gal, cup), and temperature (e.g. C, F, K).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "value": {
   "type": "number",
   "default": 10
  },
  "to_unit": {
   "type": "string",
   "default": "mi"
  },
  "from_unit": {
   "type": "string",
   "default": "km"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/self-study-common-unit-converter-bd6fe487/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)