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OmniAPI Volume Converter
x402
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
Price / call$0.088247
Success—
StatusUnknown
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.
Example use cases
Recipe unit conversion
“I have a recipe that calls for 750 milliliters of broth — can you tell me how many cups that is?”
Engineering volume calculation
“Convert 12 cubic feet to liters for a tank capacity calculation I'm working on.”
Fuel efficiency comparison
“How many gallons is 40 liters? I'm trying to compare fuel tank sizes between a US and European car.”
Technical details
Endpoint
POSThttps://omni-api-cyan.vercel.app/api/tools/convert/volumeWhen to prefer
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.
Side effects
- 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
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | string | Input data for the endpoint |
| queryrequired | string | Search query or input text |
| params | object | Additional parameters |
Output
Schema · Response
{
"type": "object",
"description": "API response data"
}Tags
x402
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