Building the backend of the card modal

Now, let's focus on implementing the backend of the card modal window, and start with the API handlers.

APIs for the card modal

The following are the APIs that we will need to create for the card modal window:

• The API to get a card
• The API to change the card title
• The API to change the card description
• The API to add comments to a card
• The API to get the activities from a card
• The API to add attachments to a card
• The API to get attachments from a card

Let's take a look at the individual APIs:

Get card API

This will be...