The api supports Cross-Origin Resource Sharing (CORS). Information for a day of the year can be fetched by including the jurisdiction and date in the url as follows:
Though the month view excludes the text of scriptures due to size and performance, you can fetch information for all of February using the following:
To get information for today, simply leave off the date as follows:
Tentative support for ROCOR (and other jurisdictions that use the Julian calendar) is available as well. For example:
You can view the code for this site and for the React.js application that provides the daily readings on this site in the orthocal-client Github repository.
HTML With jQuery Example
A very simple example of how to fetch and display this information using jQuery follows.