How do I track the the status of the payment I sent?

Step #1:

Go to your dashoard and click on Send a Payment

Step #2:

Scroll down the page to Payments Sent and see Status column. Statuses are explained here.

If you do not see what you are looking for, click the calendar to change the date and choose the appropriate time frame

If you want to specify the status you are looking for, click the button and select the specific status you are looking for.