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x402 AI Gateway — ARS to CUC Currency Converter
x402
x402 AI Gateway — ARS to CUC Currency Converter is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.0002/call, status unknown (last checked 2026-10-12).
Converts a given amount from Argentine Peso (ARS) to Cuban Convertible Peso (CUC), gated behind an x402 USDC micropayment on Base.
Price / call$0.0002
Success—
StatusUnknown
How this service works
Self-hosted AI API gateway. Expensive endpoints require an x402 micropayment (USDC on Base) before executing.
Output
Returns the converted currency value from ARS to CUC. The response object likely includes the converted amount and possibly the exchange rate applied, though the exact response schema is an open object.
Example use cases
Travel budget estimation to Cuba
“I'm planning a trip from Argentina to Cuba — can you convert 10000 Argentine pesos to CUC so I know roughly what I'll have to spend?”
Remittance amount calculation
“My family wants to send 25000 ARS to relatives in Cuba — how much would that be in CUC?”
Business invoice currency check
“I need to invoice a Cuban client — can you convert 50000 Argentine pesos to CUC so I can put the right amount on the invoice?”
Technical details
Endpoint
POSThttps://api.fastapi.online/f/fx/ars/cuc?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, programmatic ARS-to-CUC conversion and are already operating in an x402 micropayment environment on Base. It is well-suited for agents that handle Latin American currency workflows, travel planning, or remittances between Argentina and Cuba, especially when you want a pay-per-call model without subscription overhead.
Side effects
- Missing or invalid x402 micropayment header — returns HTTP 402 Payment Required
- Amount field provided as non-numeric value — may return 400 or validation error
- Exchange rate data unavailable or stale — may return an error or unexpected value
- Network timeout to the self-hosted gateway — returns connection error
- Amount of 0 or negative values may return an error or zero result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| amount | number | Amount of the source currency to convert (default 1) |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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