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HTTPay Currency Convert
x402
HTTPay Currency Convert is a paid API for AI agents from httpay.xyz, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Converts a monetary amount from one currency to another using live exchange rates sourced from the European Central Bank via Frankfurter.
Price / call$0.002
Success—
StatusUnknown
How this service works
Fiat currency conversion using ECB exchange rates (via api.frankfurter.app). Params: from, to, amount.
Output
Returns a JSON object containing the source currency, target currency, input amount, exchange rate, converted result, conversion date, and the data source (European Central Bank via Frankfurter).
Example use cases
Example prompt
“Convert 250 USD to EUR and tell me the current exchange rate and converted amount.”
Technical details
Endpoint
POSThttps://httpay.xyz/api/currency-convertWhen to prefer
Choose this endpoint when you need a quick, pay-per-call currency conversion with no API key or subscription — ideal for agents that only occasionally need FX rates and want ECB-sourced data at $0.002 per call.
Side effects
- Unsupported currency ISO code returns an error
- Missing required parameters (from, to, amount) returns a 400-level error
- Payment not processed (x402 payment required) returns 402 before conversion is attempted
- Frankfurter upstream outage may cause delayed or failed responses
Input
{
"to": "zero-qa@agentmail.to",
"from": "zero-qa@agentmail.to",
"amount": 100
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | Target currency ISO code (e.g. EUR) |
| from | string | Source currency ISO code (e.g. USD) |
| amount | number | Amount to convert |
Output
{
"to": "ZERO-QA@AGENTMAIL.TO",
"from": "ZERO-QA@AGENTMAIL.TO",
"meta": {
"x402": true,
"poweredBy": "Alfred Zhang 🫡"
},
"note": "Same currency, no conversion needed",
"rate": 1,
"amount": 100,
"result": 100
}Schema · Response
{
"type": "json",
"example": {
"to": "EUR",
"date": "2026-02-20",
"from": "USD",
"rate": 0.9234,
"amount": 100,
"result": 92.34,
"source": "api.frankfurter.app (European Central Bank)"
}
}Tags
x402
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