Can anybody explain me the steps how to create api from below ins

GIVEN

I am recruiter or hiring manager with permission to send and view text message.

VIEW

I view the history page named as Messages

THEN

Create an API to return list of conversations

The API will return a list of conversation of the current user with the following:

- Conversation ID - Recipient info (including name) - The content of the last message of the conversation - The time and date the last message was sent - Number of unseen new messages

This API should be paginated and will return a default page size (10), but can be customized as well.

The conversation will be sorted by the latest last message of the conversation. (If there is a tie, sort by alphabetical order of the last name)