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FX Currency Conversion
x402
FX Currency Conversion is a paid API for AI agents from x402-canary.nicolas-x402-16f380a7.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Converts a monetary amount from one currency to another using live exchange rates, returning the converted value.
Price / call$0.01
Success—
StatusUnknown
How this service works
Free need-to-tool routing plus pay-per-call npm docs and TypeScript API signatures, npm breaking-change diffs, JavaScript-rendered browser snapshots and deterministic coding-agent checks via AgentCash/x402.
Output
A JSON object containing the original amount, the converted amount in the target currency, and metadata about the FX engine used. Example: {data: {amount: 100, converted: 91}, meta: {engine: 'fx'}}.
Example use cases
Travel budget currency planning
“I'm heading to Japan next month — how much is 2000 USD in JPY right now?”
E-commerce international pricing
“What would 149.99 USD be in GBP? I need to display local pricing for UK customers.”
Invoice amount cross-currency check
“My client sent me an invoice for 5000 EUR — how much is that in USD so I can approve the payment?”
Technical details
Endpoint
POSThttps://x402-canary.nicolas-x402-16f380a7.workers.dev/v1/fx/convertWhen to prefer
Choose this endpoint when you need a simple, pay-per-call currency conversion with no subscription or API key setup, especially within x402-enabled agent workflows where micropayments via USDC are already integrated. Useful for lightweight FX lookups without needing a full-featured financial data provider.
Side effects
- Unsupported or invalid currency code returns an error
- Missing required fields (base, quote, amount) may result in a 400 or unexpected response
- Rate unavailable for exotic currency pairs
- Payment not included or invalid x402 payment header causes a 402 Payment Required response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| base | string | |
| quote | string | |
| amount | number |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"amount": 100,
"converted": 91
},
"meta": {
"engine": "fx"
}
}
}Tags
x402
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