currency_convert_open
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Converts a monetary amount between two fiat currencies using live exchange rates from an open currency exchange API. Returns the converted amount and the rate applied. Use currency_convert_open as an alternative live-rate source when currency_convert (Frankfurter/ECB) or currency_fx_lite are unavailable or rate-limited. The underlying source is an open public exchange rate feed suitable for informational use. Prefer currency_convert or currency_rates when ECB-auditable Frankfurter rates are required for accounting or compliance. Prefer currency_convert_lite for the same minimal output (amount + rate) backed by ECB/Frankfurter rates. Prefer currency_fx_lite for lightweight mid-market conversions. Does not support cryptocurrency pairs — use crypto_fx_rates for any conversion involving a digital asset.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| amount | number | yes | Monetary amount to convert. Must be a positive number. |
| from | string | yes | ISO 4217 source currency code (e.g. 'USD', 'GBP', 'EUR'). Case-insensitive. |
| to | string | yes | ISO 4217 target currency code (e.g. 'EUR', 'JPY', 'CHF'). Case-insensitive. |
Raw JSON schema
{
"type": "object",
"properties": {
"amount": {
"type": "number",
"description": "Monetary amount to convert. Must be a positive number."
},
"from": {
"type": "string",
"description": "ISO 4217 source currency code (e.g. 'USD', 'GBP', 'EUR'). Case-insensitive."
},
"to": {
"type": "string",
"description": "ISO 4217 target currency code (e.g. 'EUR', 'JPY', 'CHF'). Case-insensitive."
}
},
"required": [
"amount",
"from",
"to"
]
}