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x402 AI Gateway — FX/IRR Currency Converter
x402
x402 AI Gateway — FX/IRR 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 of a source currency using the IRR (Iranian Rial) or FX rate, 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 amount or exchange rate result for the specified currency amount, reflecting current FX data for IRR-related conversions.
Example use cases
USD to IRR conversion for remittance
“I need to send money to Iran — can you convert 200 USD to Iranian Rial and tell me how much I'd be sending?”
FX rate check for invoicing
“I'm invoicing a client in Iran and need to bill in IRR. How much is 1000 EUR worth in Iranian Rial right now?”
Portfolio FX exposure calculation
“I have a position worth 5000 USD. What's its current value in IRR so I can track my foreign currency exposure?”
Technical details
Endpoint
POSThttps://api.fastapi.online/f/fx/ang/irr?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need programmatic FX or IRR currency conversion with per-call micropayment pricing via x402 on Base blockchain, especially in agentic workflows where paying fractions of a cent per lookup is preferable to subscription fees. Best for low-volume, on-demand currency conversion where cost transparency per call matters.
Side effects
- 402 Payment Required if x402 USDC micropayment on Base is not provided or insufficient
- Invalid or missing amount field returns validation error
- Unsupported currency pair may return an error or empty result
- Network timeout or upstream FX data provider unavailability
- Malformed request body returns 422 Unprocessable Entity
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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