# OmniAPI Volume Converter

> OmniAPI Volume Converter is a paid API for AI agents from omni-api-cyan.vercel.app, paid per call via x402, $0.088247/call, status unknown (last checked 2026-09-15).

Converts a volume measurement from one unit to another given a natural language or structured query

## Facts

- Endpoint: POST https://omni-api-cyan.vercel.app/api/tools/convert/volume
- Price: $0.088247/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/omniapi-volume-converter-089c5e9a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OysIaH7JLpreRXXj6c5TH

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 omniapi-volume-converter-089c5e9a -d '<json body>'
```

Example prompt: Can you convert 5 liters to US gallons for me?

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call volume unit conversion without setting up a local library or maintaining conversion logic. Suitable for agents that only occasionally need volume conversions and prefer a hosted microservice with x402 micropayment billing.

## Known failure modes

- Missing or malformed query field returns a 400 error
- Unrecognized volume units may result in an error or null result
- Ambiguous unit abbreviations (e.g. 'oz' for fluid ounces vs weight ounces) may produce incorrect conversions
- Payment failure or insufficient USDC balance returns a 402 response

## How this service works

444 endpoints across 9+ chains. Crypto, AI, Social, Finance, Weather, Tools. Pay per call in USDC via x402 with 4 facilitators: Dexter, Meridian, FluxA, GoPlausible.

## Output

Returns the converted volume value in the target unit, typically including the numeric result and unit label. The response is a JSON object with the conversion output.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "input": {
   "type": "string",
   "description": "Input data for the endpoint"
  },
  "query": {
   "type": "string",
   "description": "Search query or input text"
  },
  "params": {
   "type": "object",
   "description": "Additional parameters"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/omniapi-volume-converter-089c5e9a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from omni-api-cyan.vercel.app](https://www.zero.xyz/host/omni-api-cyan.vercel.app/llms.txt)