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Currency Converter (Fiat & Crypto)
x402
Currency Converter (Fiat & Crypto) is a paid API for AI agents from currency-converter.api.klymax402.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Converts a specified amount from one currency to another, supporting both fiat currencies and cryptocurrencies
Price / call$0.003
Success—
StatusUnknown
How this service works
Convert between fiat currencies and cryptocurrencies
Output
The agent receives the converted currency amount based on the current exchange rate between the specified source and target currencies, covering both fiat-to-fiat, fiat-to-crypto, and crypto-to-fiat conversions.
Example use cases
Example prompt
“How much is 250 USD in EUR right now? Also, what would 1 BTC be worth in GBP?”
Technical details
Endpoint
GEThttps://currency-converter.api.klymax402.com/api/convertWhen to prefer
Use this endpoint when you need to convert a specific monetary amount between fiat currencies (USD, EUR, GBP, JPY, etc.) or between fiat and cryptocurrencies (BTC, ETH, etc.), or crypto-to-crypto. Prefer this over static lookup tables when real-time or near-real-time exchange rates are required.
Side effects
- Unsupported currency code returns an error or empty result
- Missing required parameters (from, to, or amount) cause a 400 bad request
- Invalid amount (negative or non-numeric) may cause a validation error
- Stale or unavailable exchange rate data may cause inaccurate results
- Rate limit exceeded or payment failure returns 402 or 429
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| to | string | Target currency code (e.g., EUR, GBP, USD, BTC) |
| from | string | Source currency code (e.g., USD, EUR, BTC, ETH) |
| amount | number | Amount to convert |
Tags
x402
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