CurrencyRate.Today – Currency Blocks and Widgets

Supported services may include:

CRToday Currency Proxy: https://crtoday.fex.to/

CurrencyRate.Today: https://currencyrate.today/
Do I need an account or API key?
No account or API key is required for the standard built-in proxy service.

Third-party or custom sources may have their own authentication requirements.
When are requests sent to external services?
Requests may be made:

The plugin refresh interval is configurable, with a minimum interval of 15 minutes.
What data is sent to external services?
The plugin does not intentionally send personal data.

Standard HTTP GET requests are made to public JSON endpoints. Depending on the selected source and settings, requests may include parameters such as:

source;

base currency;

quote currency;

market mode.

As with any normal web request, the site server IP address and standard request headers may be visible to the service provider.
What data is received from external services?
The plugin receives exchange-rate JSON snapshots, which may include:

base currency;

rates map;

selected source;

source timestamp.

The CRToday Currency Proxy refreshes its own cached snapshots approximately every 5 minutes. The plugin itself requests refreshed data according to its own cache settings, with a minimum interval of 15 minutes.
Where can I review the provider legal pages?
For the CRToday Currency Proxy, see:

Terms of Service: https://crtoday.fex.to/terms.html

Data Disclaimer: https://crtoday.fex.to/disclaimer.html
Is the full source code included?
Yes. The full uncompressed source code is bundled with the plugin. You can review, study, and modify it directly.
How are the build files generated?
The compiled JavaScript files in the build/ directory are generated from the TypeScript source code included in the src/ directory of this plugin.
What do I need to build the plugin from source?
You will need:

Node.js 18 or later

npm (included with Node.js)
How do I build the plugin from source?
Open a terminal in the plugin directory.

Run npm install to install the dependencies.

Run npm run build to compile the production assets into the build/ directory.
Is there a development mode?
Yes. Run npm run start to start the development watcher with live rebuilds.
What is the project structure?
src/ — TypeScript source files (blocks, frontend scripts, utilities)

build/ — compiled production JavaScript and CSS generated by the build step

webpack.config.js — Webpack configuration extending @wordpress/scripts

package.json — npm dependencies and build scripts
Which key dependencies are used?
@wordpress/scripts — WordPress build toolchain (Webpack, Babel, PostCSS)

TypeScript — typed JavaScript superset

big.js — arbitrary-precision decimal arithmetic