Coinpress / Massive Cryptocurrency Widgets is integrated with Coingecko API data and provides the list of coins which has valid market cap value.
So the number of coins available with the plugin may differ from the provider list.
You can switch to Coinmarketcap API if expecting coin is available in coinmarketcap API, the plugin has the default support for coinmarketcap API.
You need to provide the API key in plugin settings to switch to Coinmarketcap.
Which plan from coinmarketcap API is suitable to use for this plugin