1. Create a new Google Sheet
2. Select Tools > Script Editor
3. Clik on + beside Files
4. Inside the panel click on Script
5. Name it DelayedImportJSON
6. Copy paste on the right panel the code below:

function DelayedImportJSON(url, query, parseOptions, delay, random) { Utilities.sleep((random ? delay * Math.random() : delay) * 1000); return ImportJSON(url, query, parseOptions); }

7. Click Save Icon
8. Clik on + beside Files
9. Inside the panel click on Script
10. Name it ImportJSON
11. Copy Past on the right panel the code from URL: https://raw.githubusercontent.com/bradjasper/ImportJSON/master/ImportJSON.gs
12. click Save Icon
13. Reload the page
14. Now to get last 3 Apple income statements you need to type =DelayedImportJSON("https://financialmodelingprep.com/api/v3/income-statement/AAPL?limit=3&apikey=demo") in a cell you want data to be.

The link to full template is here.