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AmanChain Fiat FX Rates
x402
AmanChain Fiat FX Rates is a paid API for AI agents from amanchain-relay.gitajhd.workers.dev, paid per call via x402, $0.001244/call, status unknown (last checked 2026-09-14).
Returns live fiat currency exchange rates and cross-currency conversion values for 30+ currencies, paid per-call via x402 in USDC.
Price / call$0.001244
Success—
StatusUnknown
How this service works
Live fiat FX rates API — exchange rates and conversion across 30+ currencies (USD, EUR, GBP, MAD and more). Deterministic on-chain execution by the AmanChain node — live consensus state, real blocks, pools and balances. Pay per call via x402 (USDC on Base), no account, no API key. POST JSON {"serviceId":"aman-fx-rates","request":"<input>"}.
Output
Returns live fiat exchange rates and optionally converted amounts for the requested currency pair or basket of currencies, sourced from consensus state on the AmanChain node. Response includes rate values and currency codes for 30+ supported fiat currencies.
Example use cases
International invoice currency conversion
“I need to send an invoice for 8500 USD to a client in Germany — what's that amount in euros at today's live rate?”
Multi-currency pricing display
“My e-commerce site shows prices in USD, GBP, EUR, CAD, and AUD — can you fetch the latest exchange rates for all of them against USD so I can update the display?”
Travel budget estimation
“I'm going to Japan next month with a 3000 USD budget — what's the current dollar to yen rate so I can figure out how many yen I'll have?”
Technical details
Endpoint
POSThttps://amanchain-relay.gitajhd.workers.dev/api/x402/aman-fx-ratesWhen to prefer
Choose this endpoint when you need live fiat FX rates or cross-currency conversion without registering an account or obtaining an API key — payment is per-call via x402 in USDC on Base. Prefer it for lightweight, programmatic lookups where a subscription-based FX provider would be overkill, or when integrating into a crypto-native workflow where USDC micropayments are already in use.
Side effects
- Invalid or unsupported currency code returns an error
- Payment not settled or x402 handshake fails, blocking the call
- Malformed JSON body or missing serviceId field causes a 400 error
- Temporary consensus node unavailability may cause a timeout or 5xx response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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