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x402 FX Currency Converter
x402
x402 FX Currency Converter is a paid API for AI agents from workspace-x402-paywall.onrender.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-11).
Converts a currency amount from one currency to another and returns the exchange rate and converted value, paid per-call via USDC microtransaction.
Price / call$0.005
Success—
StatusUnknown
How this service works
66 pay-per-call APIs: AI text/image generation ($0.01), Polymarket odds, crypto prices, DeFi yields, FX rates, weather, IP/geo, FBI wanted, SEC tickers, clinical trials, 250M academic papers, Stack Overflow, meme-coin launchpads (pump.fun, Clanker, Four.meme, SunPump), tokenized stocks, Solana top 100, and 40+ more. $0.005/call standard. USDC on Base and Solana via x402.
Output
Returns a JSON object containing the converted currency amount, the exchange rate between the two currencies, and optionally the currency name and USD price, depending on which fields are requested via the 'fields' parameter.
Example use cases
Travel budget currency check
“I'm travelling to Japan next month — how much is 2000 USD worth in JPY right now?”
Invoice foreign currency conversion
“I need to invoice a client in Canada. Convert 4500 EUR to CAD so I know what amount to put on the invoice.”
Multi-currency price display
“What is 1 GBP worth in USD today? I need the rate and the converted amount.”
Technical details
Endpoint
GEThttps://workspace-x402-paywall.onrender.com/fx/convert?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call currency conversion with no subscription required, particularly when already operating within the x402 USDC micropayment ecosystem on Base or Solana. Ideal for agents that need occasional FX conversions without committing to a dedicated forex API subscription.
Side effects
- Invalid or unsupported currency code returns an error
- Missing required 'from' or 'to' parameters results in a 400-level error
- Payment failure or insufficient USDC balance blocks the request with a 402 Payment Required response
- Network or upstream exchange rate provider outage may result in 5xx errors or stale data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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