# Exchange Rates API

One implementation from Frankfurter, with no charge per call.

## Implementations

- [Currency exchange rates](/providers/frankfurter/latest-rates.md): `frankfurter/latest-rates`, no charge per call. Latest foreign exchange reference rates (ECB data). Takes base and symbols, all optional. Served by Frankfurter.

## Other capabilities

- [Stocks & markets](/tools/finance/stocks.md): 5 tools.
- [Crypto prices & DeFi](/tools/finance/crypto.md): 2 tools, from $0.0002 per call, some tools free.
- [SEC filings & macro data](/tools/finance/filings.md): 2 tools, with no charge per call.
- [Prediction markets](/tools/finance/prediction-markets.md): 1 tool.

## Providers

- [Frankfurter](/providers/frankfurter.md): 1 tool, with no charge per call.

## Questions

### Which tool should my agent use?

Your agent compares the implementation by price and inputs with inspect_tool and proposes one before it runs.

### How is it billed?

These tools have no charge per call. A workspace is still needed so your agent can run them.

[Finance](/tools/finance.md) · [Connection guide](/connect.md) · [Billing](/docs/billing.md)

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[HTML page](/tools/finance/fx) · [Agent index](/llms.txt)