react-currency-localizer-realtime is documented as a React package that detects a visitor’s currency and converts a supplied base price for display. You can use its LocalizedPrice component or the useCurrencyLocalizer hook. The package’s documentation describes price display—not changing the amount charged at checkout.
How do I show prices in a visitor’s local currency in React?
AllRatesToday documents two integration patterns: render one price with LocalizedPrice, or use useCurrencyLocalizer when you need to convert several prices. In both cases, provide the original amount and its currency. The provider says the SDK detects a visitor’s currency from their IP address; this is a vendor description, not an independently verified geolocation result.
Install the package
npm install react-currency-localizer-realtimeAllRatesToday’s API specification lists React 16.8 or later as the requirement for hook support. Make sure you install the exact package name: react-currency-localizer-realtime is distinct from the similarly named react-currency-localizer.
Use the component for a single price
The developer documentation shows importing LocalizedPrice and passing it a basePrice and baseCurrency. This is the simpler documented pattern for a price that does not need to be converted elsewhere in your component.
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import { LocalizedPrice } from 'react-currency-localizer-realtime';
function ProductPrice() {
return <LocalizedPrice basePrice={49.99} baseCurrency="USD" />;
}Use the component API and prop names shown in the package documentation for the version you install; its behavior and options may change between releases.
Use the hook for a list of prices
AllRatesToday also documents useCurrencyLocalizer. Its API specification’s minimal example passes a base currency and API key, waits for loading to finish, then calls convert on a USD amount:
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import { useCurrencyLocalizer } from 'react-currency-localizer-realtime';
function PriceList() {
const { convert, loading } = useCurrencyLocalizer({
baseCurrency: 'USD',
apiKey: 'YOUR_API_KEY',
});
const priceUSD = 49.99;
if (loading) return <p>Loading price…</p>;
return <p>{convert(priceUSD)}</p>;
}This illustrates the documented loading branch, not every option or return value the hook may support. Consult the documentation for the package version you use before relying on particular formatting or error-handling behavior.
Do I need an API key for React currency conversion?
Not necessarily. AllRatesToday describes a keyless option and an API-key option, with different rate sources and stated coverage. Those terms are the provider’s claims, accessed October 4, 2026; confirm current conditions before choosing a mode.
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| Documented mode | Rate source and cadence | Provider-stated coverage | Other stated condition |
|---|---|---|---|
| Keyless | Daily ECB rates | About 30 currencies | AllRatesToday says no signup is needed and an attribution link is rendered. |
| With API key | Real-time mid-market rates | More than 160 currencies | The provider’s API page advertises a free plan, but the reviewed material does not establish this package’s specific quota or a complete pricing matrix. |
The API provider’s broader plan claims should not be read as package-specific guarantees. Rate availability, currency coverage, attribution rules, quotas, and prices can change; check the current AllRatesToday terms for the mode you plan to deploy.
What happens while rates load or if conversion fails?
Keep the original price visible until a converted value is available, and preserve a fallback that shows the base-currency amount if rate retrieval fails. The official example demonstrates a loading state, but the reviewed documentation does not establish error behavior for every package version. Implement and test the failure state in your own interface rather than assuming the package will handle it in a particular way.
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Make the rate cadence understandable where it matters. A converted amount based on the provider’s described daily ECB rates may differ from one calculated using its described real-time rates.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What are the package’s stated size and compatibility?
AllRatesToday’s API Specifications version 2.6, dated September 2026, lists the following package details. These are publisher specifications, not independent measurements or compatibility tests.
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| Claim | What AllRatesToday specifies |
|---|---|
| React requirement | React 16.8+ for hook support |
| Bundle size | Approximately 10 KB minified and 4 KB gzipped |
| Dependencies | Zero runtime dependencies beyond React |
| Other listed features | Automatic IP-based currency detection, built-in rate caching, SSR compatibility for Next.js and Remix, and TypeScript support |
The specification does not establish an independently measured bundle size, conversion accuracy, or tested reliability. Treat the size, caching, SSR, and TypeScript details as vendor claims and verify that they match the package version and application setup you use.
Does localizing a displayed price change what the customer pays?
No checkout effect is established by the reviewed package documentation. The described integration converts and formats prices for display; it does not document changing the merchant’s checkout charge, settling a payment, or replacing the store’s pricing or tax rules. If customers must actually pay in a different currency, that behavior needs to be handled by the commerce and payment systems as well as reflected accurately in the interface.
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