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x402 AI Gateway – ARS Currency Converter
x402
x402 AI Gateway – ARS 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 specified amount from ARS (Argentine Peso) to another currency, 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 a JSON object containing the converted value of the specified ARS amount into the target currency, based on current or cached exchange rate data.
Example use cases
Travel budget in ARS to USD
“I have 20000 Argentine pesos — how much is that in US dollars right now?”
E-commerce ARS pricing check
“Convert 15000 ARS to EUR so I can display the euro price on my checkout page.”
Remittance amount planning
“How many US dollars would I get for 50000 Argentine pesos if I send a remittance today?”
Technical details
Endpoint
POSThttps://api.fastapi.online/f/fx/ars/bbd?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, low-cost ARS (Argentine Peso) currency conversion via a pay-per-call micropayment model using USDC on Base, especially in autonomous agent pipelines where avoiding subscription overhead is important.
Side effects
- Missing or invalid amount field returns an error or default result
- Payment not fulfilled (x402 micropayment not sent) results in HTTP 402 Payment Required
- Network or upstream exchange rate source unavailable returns an error
- Non-numeric amount value may cause a validation or parse error
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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