Last reviewed: 04.11.2026
The full list of parameters: https://widget.docs.mercuryo.io/guide/integration/widget-parameters
For available fiat currencies, cryptocurrencies and networks, use GET https://api.mercuryo.io/v1.6/lib/currencies. For each cryptocurrency, widget_onramp_enabled shows whether it is available for purchase and restricted_countries_onramp lists regional restrictions.