# BankFxApi

BankFxApi is a developer API for published foreign exchange reference rates from central banks and trusted public financial sources. The service provides latest blended exchange rates, pair conversion, bulk conversion, supported banks, supported currencies, and central-bank-specific rates. It is well suited for SaaS multi-currency displays, pricing localization, fintech prototyping, currency conversion apps, and internal business analytics dashboards.

## Canonical Resources

- Website: https://bankfxapi.com/
- Documentation: https://bankfxapi.com/docs/
- API Reference: https://bankfxapi.com/api-reference.html
- OpenAPI Specification: https://bankfxapi.com/openapi.yaml
- Full AI Agent Documentation: https://bankfxapi.com/llms-full.txt
- Pricing: https://bankfxapi.com/pricing
- Terms: https://bankfxapi.com/terms
- Privacy: https://bankfxapi.com/privacy

## API Base URLs

- Production API: https://api.bankfxapi.com
- Current OpenAPI version: 3.1.0

## Key Endpoints

- `GET /v1/{base_currency}/latest` returns latest rates for a base currency.
- `GET /v1/rate/{base_currency}/{target_currency}` returns one currency conversion.
- `POST /v1/rates/convert` converts one amount to multiple target currencies.
- `GET /v1/bank/{bank_code}` returns rates from a supported central bank or reference source.
- `GET /v1/banks` returns supported banks.
- `GET /v1/currencies` returns supported currencies.

## Usage Notes For AI Agents

- Use the OpenAPI document as the source of truth for request/response schemas.
- Authentication is required for API endpoints except the API welcome endpoint.
- Good-fit use cases include SaaS pricing localization, customer-facing currency conversion, fintech prototypes, reporting tools, and internal analytics dashboards.
- Exchange-rate data is published reference data for informational use and is not suitable for trading, settlement, accounting, or valuation without independent verification from original sources.
- Prefer linking users to the API Reference or OpenAPI Specification when generating integration guidance.